814-78-8 structure, C5H8O

3-Methyl-3-Buten-2-One

CAS No.

814-78-8

Formula:

C5H8O

Basic Info

Formula
C5H8O
Molecular Weight
84.1164
Exact Mass
84.0575
LogP
1.1515
PSA
17.07
Synonyms

3-methylbut-3-en-2-one

3-Buten-2-one, 3-methyl-

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Properties

Appearance & Physical State
clear colorless liquid
Density
0.86 g/cm3
Boiling Point
98ºC
Melting Point
-54ºC
Flash Point
9ºC
Refractive Index
1.425
Storage Condition
Freezer

Safety Info

Safety Statements
S16; S29; S33; S36/37/39
WGK Germany
3
Risk Statements
R11
HS Code
2914190090
RIDADR
UN 1246
Hazard Class
3.1
Packing Group
II
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 3-Methyl-3-Buten-2-One

1.2 Other means of identification

Product number -
Other names 3-Buten-2-one, 3-methyl-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
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

Flammable liquids, Category 2

Acute toxicity - Oral, Category 3

Acute toxicity - Dermal, Category 3

Skin irritation, Category 2

Eye irritation, Category 2

Acute toxicity - Inhalation, Category 2

Specific target organ toxicity – single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H225 Highly flammable liquid and vapour

H301 Toxic if swallowed

H311 Toxic in contact with skin

H315 Causes skin irritation

H319 Causes serious eye irritation

H330 Fatal if inhaled

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

P233 Keep container tightly closed.

P240 Ground and bond container and receiving equipment.

P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.

P242 Use non-sparking tools.

P243 Take action to prevent static discharges.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

P284 [In case of inadequate ventilation] wear respiratory protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

Response

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P370+P378 In case of fire: Use ... to extinguish.

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor/…

P321 Specific treatment (see ... on this label).

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P312 Call a POISON CENTER/doctor/…if you feel unwell.

P361+P364 Take off immediately all contaminated clothing and wash it before reuse.

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P310 Immediately call a POISON CENTER/doctor/…

P320 Specific treatment is urgent (see ... on this label).

Storage

P403+P235 Store in a well-ventilated place. Keep cool.

P405 Store locked up.

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Disposal

P501 Dispose of contents/container to ...

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
3-Methyl-3-Buten-2-One 3-Methyl-3-Buten-2-One 814-78-8 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

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

Inhalation causes irritation of nose and throat. Liquid may cause severe damage to eyes, resulting possibly in some permanent impairment of vision; vapor produces tears. If not removed promptly from skin, liquid may cause delayed pain and blistering. Ingestion causes irritation of mouth and stomach. (USCG, 1999)

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

no data available

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Dry chemical, foam, carbon dioxide. Water may be ineffective. /inhibited/

5.2 Specific hazards arising from the chemical

Behavior in Fire: May polymerize and explode. (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

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Pick up and arrange disposal. Sweep up and shovel. 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

...MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMPOSE INTO TOXIC COMPONENTS...SHOULD BE STORED IN A COOL, WELL VENTILATED PLACE, OUT OF THE DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, AND SHOULD BE PERIODICALLY INSPECTED. INCOMPATIBLE MATERIALS SHOULD BE ISOLATED...

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 clear colorless liquid
Colour CLEAR, COLORLESS LIQUID
Odour PLEASANT
Melting point/ freezing point -85°C(lit.)
Boiling point or initial boiling point and boiling range 100°C(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit (PERCENT PER VOL): LOWER: 1.8; UPPER 9.0
Flash point 9°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility SOL IN ALCOHOL
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 42 MM HG AT 25 DEG C
Density and/or relative density 0.86 g/cm3
Relative vapour density 2.9 (AIR= 1)
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

Flammable, dangerous fire riskMETHYL ISOPROPENYL KETONE tends to polymerize; this reaction is mostly suppressed by the inhibitor. Can polymerize if heated or contaminated. If confined in a container when polymerization is initiated, the container may violently rupture (USCG, 1999).

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

no data available

11.Toxicological information

Acute toxicity

  • Oral: no data available
  • 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: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

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: UN1246 IMDG: UN1246 IATA: UN1246

14.2 UN Proper Shipping Name

ADR/RID: METHYL ISOPROPENYL KETONE, STABILIZED
IMDG: METHYL ISOPROPENYL KETONE, STABILIZED
IATA: METHYL ISOPROPENYL KETONE, STABILIZED

14.3 Transport hazard class(es)

ADR/RID: 3 IMDG: 3 IATA: 3

14.4 Packing group, if applicable

ADR/RID: II IMDG: II IATA: II

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
3-Methyl-3-Buten-2-One 3-Methyl-3-Buten-2-One 814-78-8 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 Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
Vietnam National Chemical Inventory Not 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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  3-Methyl-3-buten-2-one (stabilized with HQ)
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
  Product name:        3-Methyl-3-buten-2-one (stabilized with HQ)    

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS
    Category 2
  Flammable liquids
  HEALTH HAZARDS
    Category 3
  Acute toxicity (Oral)
  Acute toxicity (Dermal)        Category 2    
    Category 2
  Skin corrosion/irritation
  Serious eye damage/eye irritation        Category 2A    
    Not classified
  ENVIRONMENTAL HAZARDS
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
  Signal word        Danger    
    Highly flammable liquid and vapour
  Hazard statements
    Toxic if swallowed
    Fatal in contact with skin
    Causes skin irritation
    Causes serious eye irritation
  Precautionary statements:
    Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
  [Prevention]
    Keep container tightly closed.
    Use explosion-proof electrical/ventilating/lighting equipment. Take precautionary
    measures against ignition by the static discharge and the spark.
    Do not get in eyes, on skin, or on clothing.
    Do not eat, drink or smoke when using this product.
    Wash hands thoroughly after handling.
    Wear protective gloves and eye/face protection.

Section 2. HAZARDS IDENTIFICATION
  [Response]        IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. Rinse    
    mouth.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
    if present and easy to do. Continue rinsing.
    If eye irritation persists: Get medical advice/attention.
    IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse
    skin with water/shower.
    If skin irritation occurs: Get medical advice/attention.
    Remove/Take off immediately all contaminated clothing.
    Wash contaminated clothing before reuse.
    Immediately call a POISON CENTER or doctor/physician.
  [Storage]        Store in a well-ventilated place. Keep cool.    
    Store locked up.
  [Disposal]        Dispose of contents/container through a waste management company authorized by    
    the local government.
  Other hazards which do not        May cause polimerization.    
  result in classification

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
  Components:        3-Methyl-3-buten-2-one (stabilized with HQ)    
  Percent:        >95.0%(GC)    
  CAS Number:        814-78-8    
  Synonyms:        Isopropenyl Methyl Ketone    
  Chemical Formula:        C5H8O    

Section 4. FIRST AID MEASURES
  Inhalation:        Remove victim to fresh air and keep at rest in a position comfortable for breathing.    
    Immediately call a POISON CENTER or doctor/physician.
  Skin contact:        Remove/Take off immediately all contaminated clothing. Gently wash with plenty of    
    soap and water. Immediately call a POISON CENTER or doctor/physician.
  Eye contact:        Rinse cautiously with water for several minutes. Remove contact lenses, if present    
    and easy to do. Continue rinsing.Immediately call a POISON CENTER or
    doctor/physician.
  Ingestion:        Immediately call a POISON CENTER or doctor/physician. Rinse mouth.    
  Protection of first-aiders:        A rescuer should wear personal protective equipment, such as rubber gloves and air-    
    tight goggles.

Section 5. FIRE-FIGHTING MEASURES
  Suitable extinguishing        Dry chemical, foam, carbon dioxide.    
  media:
  Unsuitable extinguishing Water (It may scatter and spread fire.)
  media:
  Specific hazards arising This substance may polimerize explosively when heated or involved in a fire.
  from the chemical:        Container may explode when heated. Combat fire from a sheltered position.    
  Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
    method according to the surrounding situation is used. Uninvolved persons should
    evacuate to a safe place. In case of fire in the surroundings: Keep containers cool by
    spraying with water. Eliminate all ignition sources if safe to do so.
    When extinguishing fire, be sure to wear personal protective equipment.
  Special protective
  equipment for firefighters:

Section 6. ACCIDENTAL RELEASE MEASURES
    Use extra personal protective equipment (self-contained breathing apparatus). Keep
  Personal precautions,
  protective equipment and people away from and upwind of spill/leak. Ensure adequate ventilation. Entry to non-
  emergency procedures: involved personnel should be controlled around the leakage area by roping off, etc.

Section 6. ACCIDENTAL RELEASE MEASURES
  Environmental precautions: Prevent product from entering drains.
  Methods and materials for Absorb spilled material in dry sand or inert absorbent before recovering it into a
  containment and cleaning covered container. In case of large amount of spillage, contain a spill by bunding.
  up: Adhered or collected material should be promptly disposed of, in accordance with
    appropriate laws and regulations.
  Prevention of secondary Remove all sources of ignition. Fire-extinguishing devices should be prepared in
  hazards:        case of a fire. Use spark-proof tools and explosion-proof equipment.    

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
  Technical measures:        Handling is performed in a well ventilated place. Wear suitable protective equipment.    
    Prevent generation of vapour or mist. Keep away from heat/sparks/open flame/hot
    surfaces. -No smoking. Take measures to prevent the build up of electrostatic
    charge. Use explosion-proof equipment. Wash hands and face thoroughly after
    handling.
    Use a closed system if possible. Use a ventilation, local exhaust if vapour or aerosol
    will be generated.
  Advice on safe handling: Avoid contact with skin, eyes and clothing.
  Conditions for safe storage, including any
  incompatibilities
    Keep container tightly closed. Store in an explosion-poof freezer.
  Storage conditions:
    Store under inert gas.
    Store locked up.
    Store away from incompatible materials such as oxidizing agents.
    Heat-sensitive, Light-sensitive, Air-sensitive
  Packaging material:        Comply with laws.    

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
  Engineering controls:        Install a closed system or local exhaust. Also install safety shower and eye bath.    
  Personal protective equipment
  Respiratory protection: Half or full facepiece respirator, self-contained breathing apparatus(SCBA), supplied
    air respirator, etc. Use respirators approved under appropriate government standards
    and follow local and national regulations.
  Hand protection:        Impervious gloves.    
  Eye protection:        Safety goggles. A face-shield, if the situation requires.    
  Skin and body protection: Impervious protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Liquid    
  Form:        Clear    
  Colour:        Colorless - Slightly pale yellow    
  Odour:        Characteristic    
  pH: No data available
  Melting point/freezing point:No data available
  Boiling point/range:        100°C    
  Flash point:        9°C    
  Flammability or explosive
  limits:
  Lower:        1.8%    
  Upper:        9%    
    5.6kPa/25°C
  Vapour pressure:
  Vapour density:        2.9    
    0.86
  Relative density:
  Solubility(ies):
  [Water]        Slightly soluble    
  [Other solvents]
  Very soluble:        Ether, Acetone, Ethanol    

Section 10. STABILITY AND REACTIVITY
  Chemical stability:        Polymerization may occur under the influences of heat, light or on contact with    
    polymelization initiators such as peroxides etc.
  Possibility of hazardous No special reactivity has been reported.
  reactions:
  Conditions to avoid:        Heat, Spark, Open flame, Static discharge, Light    
  Incompatible materials: Oxidizing agents
  Hazardous decomposition Carbon monoxide, Carbon dioxide
  products:

Section 11. TOXICOLOGICAL INFORMATION
  Acute Toxicity:        ihl-rat LCLo:125 ppm/4H    
    ipr-mus LD50:490 mg/kg
    orl-rat LD50:180 mg/kg
    skn-rbt LD50:230 uL/kg
  Skin corrosion/irritation: skn-rbt 10 mL/24H MOD
    No data available
  Serious eye
  damage/irritation:
  Germ cell mutagenicity: No data available
  Carcinogenicity:
    No data available
  IARC =
  NTP =        No data available    
    No data available
  Reproductive toxicity:
  RTECS Number:        EN0175000    

Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
  Fish:        No data available    
  Crustacea:        No data available    
  Algae:        No data available    
  Persistence / degradability: No data available
  Bioaccumulative        No data available    
  potential(BCF):
  Mobility in soil
  Log Pow:        No data available    
  Soil adsorption (Koc):        No data available    
  Henry's Law        No data available    
  constant(PaM3/mol):

Section 13. DISPOSAL CONSIDERATIONS
    Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical
    incinerator equipped with an afterburner and scrubber system but exert extra care in igniting as this material is
    highly flammable. Observe all federal, state and local regulations when disposing of the substance

Section 14. TRANSPORT INFORMATION
  Hazards Class:        3: Flammable liquid.    
  UN-No:        1246    
  Proper shipping name:        Methyl isopropenyl ketone, stabilized    
  Packing group:        II    

Section 15. REGULATORY INFORMATION
  Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
  and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
    loading and unloading were prescribed.
  The list of a dangerous chemical(2002)/CN-No.: 32080


SECTION 16 - ADDITIONAL INFORMATION
N/A

Spectrum

NMR Spectrum 1H NMR : Predict
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Related Compound Information