Dimethyl sulfoxide

CAS No. 67-68-5

Formula: C2H6OS
Basic Info

Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that dissolves both polar and nonpolar compounds and is miscible in a wide range of organic solvents as well as water. It has a relatively high melting point. DMSO has the unusual property that many individuals perceive a garlic-like taste in the mouth after contact with the skin.
In terms of chemical structure, the molecule has idealized Cs symmetry. It has a trigonal pyramidal molecular geometry consistent with other three-coordinate S(IV) compounds, with a nonbonded electron pair on the approximately tetrahedral sulfur atom.

Formula
C2H6OS
Molecular Weight
78.1334
Exact Mass
78.0139
LogP
0.8604
PSA
36.28
Synonyms

Methane, sulfinylbis-

(Methylsulfinyl)methane

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Properties
Appearance & Physical State
colorless liquid
Density
1.1
Boiling Point
189ºC
Melting Point
18.4-19.0ºC
Freezing Point
18.4℃
Flash Point
95ºC
Refractive Index
1.477-1.48
Stability
Stable. Incompatible with a very wide range of materials, including acid chlorides, strong acids, strong oxidizing agents, strong reducing agents, phosphorus halides, moisture, copper wool + trichloroacetic acid. Reacts violently with a number of materials
Storage Condition
Store at RT.
Vapor Density
2.7 (vs air)
Vapor Pressure
0.42 mm Hg ( 20 °C)
Safety Info
RTECS
PV6210000
Safety Statements
S26-S37/39
WGK Germany
1
Risk Statements
R36/37/38
HS Code
29309070
Hazard Codes
MSDS
SDS 1.0
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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Dimethyl sulfoxide

1.2 Other means of identification

Product number -
Other names Methane, sulfinylbis-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
Dimethyl sulfoxide Dimethyl sulfoxide 67-68-5 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

Fresh air, rest.

In case of skin contact

Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .

In case of eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

If swallowed

Do NOT induce vomiting. Refer for medical attention .

4.2 Most important symptoms/effects, acute and delayed

Slight eye irritation. (USCG, 1999)

4.3 Indication of immediate medical attention and special treatment needed, if necessary

In case of accidental oral ingestion, specific measures should be taken to induce emesis. Additional measures which may be considered are gastric lavage, activated charcoal and forced diuresis.

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

For small (incipient) fires, use media such as "alcohol" foam, dry chemical, or carbon dioxide. For large fires, apply water from as far as possible. Use very large quantities (flooding) of water applied as a mist or spray; solid streams of water may be ineffective. Cool all affected containers with flooding quantities of water.

5.2 Specific hazards arising from the chemical

Special Hazards of Combustion Products: Sulfur dioxide, formaldehyde, and methyl mercaptan can form (USCG, 1999)

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Personal protection: chemical protection suit and filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

6.3 Methods and materials for containment and cleaning up

Accidental Release Measures. Personal precaustions, protective equipment and emergency procedure: Avoid breathing vapors, mist or gas. Remove all sources of ignition. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas.; Environmental precautions: Prevent further leakage or spillage if safe to do so. Do not let products enter drains.; Methods and materials for containment adn cleaning up: Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Separated from strong oxidants. Cool. Keep in the dark. Keep in a well-ventilated room.Store away from oxidizing agents, heat, and ignition sources.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state colorless liquid
Colour Colorless liquid
Odour Slightly sulfurous odor
Melting point/ freezing point 8°C(lit.)
Boiling point or initial boiling point and boiling range 189°C(lit.)
Flammability Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
Lower and upper explosion limit / flammability limit Lower flammable limit: 2.6% by volume; Upper flammable limit: 42% by volume
Flash point 87°C
Auto-ignition temperature 300.56°C
Decomposition temperature no data available
pH no data available
Kinematic viscosity 2.47cP at 20°C
Solubility greater than or equal to 100 mg/mL at 20°C
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 0.42 mm Hg ( 20 °C)
Density and/or relative density 1.10g/mL(lit.)
Relative vapour density 2.7 (vs air)
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

Combustible when exposed to heat or flame.The vapour is heavier than air and may travel along the ground; distant ignition possible.DIMETHYL SULFOXIDE decomposes violently on contact with many acyl halides and related compounds such as acetyl chloride, benzenesulfonyl chloride, benzoyl chloride, cyanuric chloride, phosphorus trichloride, phosphorus oxychloride, and thionyl chloride [Chem. Eng. News 35(9):87 (1957)].

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

... can react with oxidizing materials.

10.6 Hazardous decomposition products

When heated to decomposition it emits toxic fumes of /sulfur oxides/.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral 17.9 mL/kg
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: LC50; Species: Pimephales promelas (Fathead minnow); Conditions: static; Concentration: 34 g/L for 96 hr
  • Toxicity to daphnia and other aquatic invertebrates: EC50; Species: Daphnia magna (Water flea); Concentration: 7000 mg/L for 24 hr; Effect: inhibition of mobility /Conditions of bioassay not specified in source examined
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

AEROBIC: Dimethyl sulfoxide, present at 100 mg/L, reached 3.1% of its theoretical BOD in 2 weeks using an activated sludge inoculum at 30 mg/L in the Japanese MITI test(1). Little degradation of dimethyl sulfoxide (<20%) was noted in a screening test using an activated sludge inoculum(2). Using the OECD 301E method, 99% degradation was observed(3). Using the OECD 303A method (domestic sewage simulation), 90% degradation of dimethyl sulfoxide was observed at a concentration of 65 mg/L over a 32-day incubation period(3,4). One ready biodegradation test performed following the norm AFNOR NFT 90-312 concluded that dimethyl sulfoxide is readily biodegradable(4). Dimethyl sulfoxide, at a 500 mg/L concentration, was entirely biodegraded within about 37 hours with aerobic settling sludge obtained from the activated sludge process at an opto-electronic plant, under optimized pH/temperature conditions(4). The available biodegradation screening tests have conflicting results(3), but based on available data and weight-of-evidence approach, dimethyl sulfoxide is expected to be inherently biodegradable(4).

12.3 Bioaccumulative potential

A BCF of <4 was measured in fish for dimethyl sulfoxide using carp (Cyprinus carpio) which were exposed over a 6-week period(1). According to a classification scheme(2), this BCF suggests the potential for bioconcentration in aquatic organisms is low(SRC).

12.4 Mobility in soil

Using a structure estimation method based on molecular connectivity indices(1), the Koc of dimethyl sulfoxide can be estimated to be 2(SRC). According to a classification scheme(2), this estimated Koc value suggests that dimethyl sulfoxide is expected to have very high mobility in soil.

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: UN1993 IMDG: UN1993 IATA: UN1993

14.2 UN Proper Shipping Name

ADR/RID: FLAMMABLE LIQUID, N.O.S.
IMDG: FLAMMABLE LIQUID, N.O.S.
IATA: FLAMMABLE LIQUID, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 6.1 IMDG: 6.1 IATA: 6.1

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
Dimethyl sulfoxide Dimethyl sulfoxide 67-68-5 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
Vietnam National Chemical Inventory Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

16.Other information

Information on revision

Creation Date Aug 12, 2017
Revision Date Aug 12, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS
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Section I.Chemical Product and Company Identification
    Chemical Name        Dimethyl Sulfoxide    
    [for Liquid Paraffin Test]
    Portland OR
    Synonym        DMSO    
    Chemical Formula        (CH3)2SO    
    CAS Number        67-68-5    

Section II.        Composition and Information on Ingredients    
    Chemical Name        CAS Number Percent (%)        TLV/PEL        Toxicology Data    
    Dimethyl Sulfoxide        67-68-5        Min. 99.0        This chemical is classified as a        Rat LD50 (oral) 14.5gm/kg    
    [for Liquid Paraffin Test]
    (GC)        possible carcinogen. There is        Rat LD50 (dermal) 40gm/kg    
    no acceptible exposure limit        Mouse LD50 (oral) 7920/kg    
    for a carcinogen.        Mouse LD50 (dermal) 50gm/kg    

Section III. Hazards Identification
    Acute Health Effects        Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the    
    eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening,
    or, occasionally, blistering. Skin contact may result in sensitization. Always cover all exposed skin with an impermeable
    layer and use proper eye protection. A OSHA/MSHA approved dust and vapor respirator is required when working with
    this material. Follow safe industrial hygiene practices and always wear proper protective equipment when handling this
    compound.
    Chronic Health Effects        CARCINOGENIC EFFECTS : Equivocal tumorigenic agent by RTECS criteria. Causes luekemia, and lung and skin    
    tumors when applied to rats and mice.
    MUTAGENIC EFFECTS : Shown to be mutagenic in animal trials.
    TERATOGENIC EFFECTS : Not available.
    Toxicity to the reproductive system: Serious reproductive hazard including developmental abnormalities an d fetotoxicity.
    Repeated or prolonged exposure to the substance can produce target organs damage. Repeated or prolonged
    inhalation of vapors may lead to chronic respiratory irritation.

Section IV.        First Aid Measures    
    Eye Contact        Check for and remove any contact lenses. DO NOT use an eye ointment. Flush eyes with running water for a minimum    
    of 15 minutes, occasionally lifting the upper and lower eyelids. Seek medical attention. Treat symptomatically and
    supportively.
    Skin Contact
    If the chemical gets spilled on a clothed portion of the body, remove the contaminated clothes as quickly as possible,
    protecting your own hands and body. Place the victim under a deluge shower. If the chemical touches the victim's
    exposed skin, such as the hands: Gently and thoroughly wash the contaminated skin with running water and non-abrasive
    soap. Be particularly careful to clean folds, crevices, creases and groin. Cover the irritated skin with an emollient. Seek
    medical attention. Treat symptomatically and supportively. Wash any contaminated clothing before reusing.
    If the victim is not breathing, perform artificial respiration. Loosen tight clothing such as a collar, tie, belt or waistband. If
    Inhalation
    breathing is difficult, oxygen can be administered. Seek medical attention. Treat symptomatically and supportively.
    Ingestion        Remove dentures if any. Have conscious person drink several glasses of water or milk. INDUCE VOMITING by sticking    
    finger in throat. Lower the head so that the vomit will not reenter the mouth and throat. NEVER give an unconscious
    person anything to ingest. Seek medical attention. Treat symptomatically and supportively.

Section V. Fire and Explosion Data
    303°C (577.4°F)
    Flammability        Combustible.        Auto-Ignition    
    Flammable Limits
    Flash Points        95°C (203°F)        LOWER: 3.5%    
    UPPER: 42%
    Combustion Products        These products are toxic carbon oxides (CO, CO 2), sulfur oxides (SO2, SO3...).    
    Fire Hazards
    Combustible in presence of heat, open flames and sparks.
    Continued on Next Page
    Dimethyl Sulfoxide
    [for Liquid Paraffin Test]
    Explosion Hazards        Risks of explosion of the product in presence of mechanical impact: Not available.    
    Risks of explosion of the product in presence of static discharge: Not available.
    No additional information is available regarding the risks of explosion.
    Fire Fighting Media
    SMALL FIRE: Use DRY chemicals, CO 2, water spray or foam.
    and Instructions        LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.    

Section VI.        Accidental Release Measures    
    Spill Cleanup
    Combustible material.
    Keep away from heat. Keep away from sources of ignition. Stop leak if without risk. If the product is in its solid form:
    Instructions
    Use a shovel to put the material into a convenient waste disposal container. If the product is in its liquid form: Absorb
    with an inert material and put the spilled material in an appropriate waste disposal. Finish cleaning the spill by rinsing any
    contaminated surfaces with copious amounts of water.

Section VII. Handling and Storage
    IRRITANT. Hygroscopic -- store in a tightly sealed container in a desiccator if possible. Keep away from heat and
    Handling and Storage
    sources of ignition. Empty containers pose a fire risk, evaporate the residue under a fume hood. Ground all equipment
    Information
    containing material. DO NOT ingest. SENSITIZER AND IRRITANT--Do not breathe gas, fumes, vapor or spray. In case
    of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the
    container or the label. Avoid contact with skin and eyes.
    Always store away from incompatible compounds such as oxidizing agents, reducing agents, acids, and phosphorus
    halides.
    WARNING: Undergoes a violent exothermic reaction when mixed with copper wool and trichloroacetic acid. On mixing
    with potassium permanganate, it will flash instantly. Reacts violently with acid halides, cyanuric chloride, silicon
    tetrachloride, phosphorus trichloride and trioxide, magnesium perchlorate, silver fluoride, methyl bromide, iodine
    pentafluoride, nitrogen periodate, diborane, sodium hydride, perchloric and periodic acids. When heated above it's
    boiling point, toxic formaldehyde, methyl mercaptan, and sulfur dioxide vapors are released.

Section VIII. Exposure Controls/Personal Protection
    Engineering Controls        Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their    
    respective threshold limit value. Ensure that eyewash station and safety shower is proximal to the work-station location.
    Personal Protection        Splash goggles. Lab coat. Vapor respirator. Boots. Gloves. A MSHA/NIOSH approved respirator should be used to    
    avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE
    handling this product.
    Exposure Limits        This chemical is classified as a possible carcinogen. There is no acceptible exposure limit for a carcinogen.    

Section IX. Physical and Chemical Properties
    Physical state @ 20°C        Liquid.        Solubility    
    Easily soluble in cold water, hot water,
    methanol, diethyl ether, n-octanol,
    1.101 (Water = 1)        acetone.    
    Specific Gravity
    Molecular Weight        78.14        Partition Coefficient    
    -2.03
    Boiling Point        189°C (372.2°F)        Vapor Pressure        0.42 mm of Hg (@ 20°C)    
    18.4°C (65.1°F)        2.7 (Air = 1)    
    Melting Point        Vapor Density    
    1.4795 @ 20°C        Not available.    
    Refractive Index        Volatility    
    Not available.
    Critical Temperature        Not available.        Odor    
    Viscosity        1.1 centipoise @ 27°C        Taste        Not available.    

Section X.        Stability and Reactivity Data    
    Stability    
This material is stable if stored under proper conditions. (See Section VII for instructions)    
    Conditions of Instability
    Avoid excessive heat and light.
    Incompatibilities
    Highly reactive with oxidizing agents, reducing agents, acids, and phosphorus halides.
    WARNING: Undergoes a violent exothermic reaction when mixed with copper wool and trichloroacetic acid. On mixing
    with potassium permanganate, it will flash instantly. Reacts violently with acid halides, cyanuric chloride, silicon
    tetrachloride, phosphorus trichloride and trioxide, magnesium perchlorate, silver fluoride, methyl bromide, iodine
    pentafluoride, nitrogen periodate, diborane, sodium hydride, perchloric and periodic acids. When heated above it's
    boiling point, toxic formaldehyde, methyl mercaptan, and sulfur dioxide vapors are released.
    Continued on Next Page
    Dimethyl Sulfoxide
    [for Liquid Paraffin Test]

Section XI.        Toxicological Information    
    RTECS Number        PV6210000    
    Routes of Exposure        Ingestion. Inhalation. Eye contact. Skin contact.    
    Rat LD50 (oral) 14.5gm/kg
    Toxicity Data
    Rat LD50 (dermal) 40gm/kg
    Mouse LD50 (oral) 7920/kg
    Mouse LD50 (dermal) 50gm/kg
    Chronic Toxic Effects        CARCINOGENIC EFFECTS : Equivocal tumorigenic agent by RTECS criteria. Causes luekemia, and lung and skin    
    tumors when applied to rats and mice.
    MUTAGENIC EFFECTS : Shown to be mutagenic in animal trials.
    TERATOGENIC EFFECTS : Not available.
    Toxicity to the reproductive system: Serious reproductive hazard including developmental abnormalities an d fetotoxicity.
    Repeated or prolonged exposure to the substance can produce target organs damage. Repeated or prolonged inhalation
    of vapors may lead to chronic respiratory irritation.
    Acute Toxic Effects        Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the    
    eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening,
    or, occasionally, blistering. Skin contact may result in sensitization. Always cover all exposed skin with an impermeable
    layer and use proper eye protection. A OSHA/MSHA approved dust and vapor respirator is required when working with
    this material. Follow safe industrial hygiene practices and always wear proper protective equipment when handling this
    compound.

Section XII.        Ecological Information    
    Ecotoxicity        Not available.    
    Environmental Fate        Not available.    

Section XIII. Disposal Considerations
    Recycle to process, if possible. Consult your local or regional authorities. You may be able to dissolve or mix material with
    Waste Disposal
    a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all
    federal, state, and local regulations when disposing of this substance.

Section XIV. Transport Information
    DOT Classification
    Not a DOT controlled material (United States).
    PIN Number        NONE    
    Proper Shipping Name        Not available.    
    Packing Group (PG)        NONE    
    DOT Pictograms

Section XV. Other Regulatory Information and Pictograms
    TSCA Chemical Inventory        This product is ON the Toxic Substances Control Act (TSCA) list.    
    (EPA)
    WHMIS Classification        WHMIS CLASS D-2B: Material causing other toxic effects (TOXIC).    
    (Canada)
    EINECS Number (EEC) 200-664-3
    EEC Risk Statements
    20/21/22- Harmful by inhalation, in contact with skin and if swallowed.
    36/37/38- Irritating to eyes, respiratory system and skin.
    42/43- May cause sensitization by inhalation and skin contact.
    Japanese Regulatory Data
    Dimethyl Sulfoxide
    [for Liquid Paraffin Test]
    TCI laboratory chemicals are for research purposes only and are NOT intended for use as drugs, food additives, households, or pesticides. The information herein is believed to be correct, but does not
    claim to be all inclusive and should be used only as a guide. Neither the above named supplier nor any of its subsidiaries assumes any liability whatsoever for the accuracy or completeness of the
    information contained herein. Final determination of suitability of any material is the sole responsibility of the user. All chemical reagents must be handled with the recognition that their chemical,
    physiological, toxicological, and hazardous properties have not been fully investigated or determined. All chemical reagents should be handled only by individuals who are familiar with their potential
    hazards and who have been fully trained in proper safety, laboratory, and chemical handling procedures. Although certain hazards are described herein, we can not guarantee that these are the only hazards
    which exist. Our MSDS sheets are based only on data available at the time of shipping and are subject to change without notice as new information is obtained. Avoid long storage periods since the
    product is subject to degradation with age and may become more dangerous or hazardous. It is the responsibility of the user to request updated MSDS sheets for products that are stored for extended
    periods. Disposal of unused product must be undertaken by qualified personnel who are knowledgeable in all applicable regulations and follow all pertinent safety precautions including the use of
    appropriate protective equipment (e.g. protective goggles, protective clothing, breathing equipment, facial mask, fume hood). For proper handling and disposal, always comply with federal, state, and local
    regulations.


SECTION 16 - ADDITIONAL INFORMATION
N/A
Spectrum
NMR Spectrum 1H NMR : parameter in CDCl3
expand collapse
IR Spectrum IR : liquid film
expand collapse
Mass Spectrum Mass spectrum (electron ionization)
expand collapse
Raman Spectrum Raman : 4880 A,100M,liquid
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Analysis Methods
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
Methyl Silicone
Retention index
780.
Temperature Control
100.
Method
isothermal
Comments
H2; Column length: 5. m; Phase thickness: 2.65 μm
Reference
Huber, J.F.K.Kenndler, E.Reich, G.Hack, W.Wolf, J.Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention DataAnal. Chem.1993, 65, 20, 2903-2906.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
Methyl Silicone
Retention index
784.
Temperature Control
120.
Method
isothermal
Comments
H2; Column length: 5. m; Phase thickness: 2.65 μm
Reference
Huber, J.F.K.Kenndler, E.Reich, G.Hack, W.Wolf, J.Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention DataAnal. Chem.1993, 65, 20, 2903-2906.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
Methyl Silicone
Retention index
777.
Temperature Control
80.
Method
isothermal
Comments
H2; Column length: 5. m; Phase thickness: 2.65 μm
Reference
Huber, J.F.K.Kenndler, E.Reich, G.Hack, W.Wolf, J.Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention DataAnal. Chem.1993, 65, 20, 2903-2906.
Kovats' RI, polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
PEG-20M
Retention index
1569.
Temperature Control
130.
Method
isothermal
Comments
Column length: 10. m; Phase thickness: 1.33 μm
Reference
Huber, J.F.K.Kenndler, E.Reich, G.Hack, W.Wolf, J.Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention DataAnal. Chem.1993, 65, 20, 2903-2906.
Kovats' RI, polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
PEG-20M
Retention index
1584.
Temperature Control
150.
Method
isothermal
Comments
Column length: 10. m; Phase thickness: 1.33 μm
Reference
Huber, J.F.K.Kenndler, E.Reich, G.Hack, W.Wolf, J.Optimal Selection of Gas Chromatographic Columns for the Analytical Control of Chemical Warfare Agents by Application of Information Theory to Retention DataAnal. Chem.1993, 65, 20, 2903-2906.

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