637-50-3 structure, C9H10

β-Methylstyrene

CAS No.

637-50-3

Formula:

C9H10

Basic Info

β-Methylstyrene is a styrene derivative that is used as a chemical intermediate in the manufacture of plasticizers, resins and polymers. β-Methylstyrene is also produced from the combustion of methamphetamine.

Formula
C9H10
Molecular Weight
118.176
Exact Mass
118.078
LogP
2.7197
PSA
0
Synonyms

Benzene, 1-propen-1-yl-

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Properties

Density
0.911 g/mL at 25ºC(lit.)
Boiling Point
175ºC(lit.)
Melting Point
-27.3ºC
Flash Point
127 °F
Refractive Index
n20/D 1.550(lit.)
Storage Condition
2-8ºC

Safety Info

Safety Statements
S26-S37/39
Risk Statements
R36/37/38
HS Code
2902909090
RIDADR
UN 2618 3/PG 3

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 β-Methylstyrene

1.2 Other means of identification

Product number -
Other names Benzene, 1-propen-1-yl-

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

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H225 Highly flammable liquid and vapour

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.

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.

Storage

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

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
β-Methylstyrene β-Methylstyrene 637-50-3 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

no data available

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

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

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

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

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 no data available
Colour no data available
Odour no data available
Melting point/ freezing point 49°C(lit.)
Boiling point or initial boiling point and boiling range 177°C(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 60°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility no data available
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure no data available
Density and/or relative density 0.911 g/mL at 25ºC(lit.)
Relative vapour density no data available
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

no data available

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: UN3295 IMDG: UN3295 IATA: UN3295

14.2 UN Proper Shipping Name

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

14.3 Transport hazard class(es)

ADR/RID: 3 IMDG: 3 IATA: 3

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
β-Methylstyrene β-Methylstyrene 637-50-3 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Not Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Not Listed.
Vietnam National Chemical Inventory Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Not 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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  β-Methylstyrene (cis- and trans- mixture) (stabilized      Revision number: 6    
  with TBC)
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
    β-Methylstyrene (cis- and trans- mixture) (stabilized with TBC)
  Product name:
                  

  Revision number:        6    

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS
  Flammable liquids        Category 3    
  HEALTH HAZARDS
  Acute toxicity (Oral)        Category 5    
    Not classified
  ENVIRONMENTAL HAZARDS
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
  Signal word        Warning    
  Hazard statements        Flammable liquid and vapour    
    May be harmful if swallowed
  Precautionary statements:
  [Prevention]        Keep away from heat/sparks/open flames/hot surfaces. - No smoking.    
    Keep container tightly closed.
    Use explosion-proof electrical/ventilating/lighting equipment. Take precautionary
    measures against ignition by the static discharge and the spark.
    Wear protective gloves/eye protection/face protection.
    IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse
  [Response]
    skin with water/shower.
    Call a POISON CENTER or doctor/physician if you feel unwell.
  [Storage]        Store in a well-ventilated place. Keep cool.    
    Dispose of contents/container through a waste management company authorized by
  [Disposal]
    the local government.
  Other hazards which do not        May cause polimerization.    
  result in classification

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
    β-Methylstyrene (cis- and trans- mixture) (stabilized with TBC)
  Components:
  Percent:        >95.0%(GC)    
    637-50-3
  CAS Number:
  β-Methylstyrene (cis- and trans- mixture)
  (stabilized with TBC)

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
    1-Phenyl-1-propene (cis- and trans- mixture) (stabilized with TBC) , 1-
  Synonyms:
    Propenylbenzene (cis- and trans- mixture) (stabilized with TBC)
    C9H10
  Chemical Formula:

Section 4. FIRST AID MEASURES
    Remove victim to fresh air and keep at rest in a position comfortable for breathing.
  Inhalation:
    Call a POISON CENTER or doctor/physician if you feel unwell.
    Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
  Skin contact:
    soap and water. If skin irritation or rash occurs: Get medical advice/attention.
    Rinse cautiously with water for several minutes. Remove contact lenses, if present
  Eye contact:
    and easy to do. Continue rinsing. If eye irritation persists: Get medical
    advice/attention.
  Ingestion:        Call a POISON CENTER or doctor/physician if you feel unwell. 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.
    Container may explode when heated. Combat fire from a sheltered position.
  from the chemical:
  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.
  Special protective        When extinguishing fire, be sure to wear personal protective equipment.    
  equipment for firefighters:

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions,        Use personal protective equipment. Keep people away from and upwind of spill/leak.    
  protective equipment and Ensure adequate ventilation. Entry to non-involved personnel should be controlled
  emergency procedures: around the leakage area by roping off, etc.
  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
  Storage conditions:        Keep container tightly closed. Store in a cool, dark and well-ventilated place.    
  β-Methylstyrene (cis- and trans- mixture)
  (stabilized with TBC)

Section 7. HANDLING AND STORAGE
    Store away from incompatible materials such as oxidizing agents.
  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: Vapor respirator. Follow local and national regulations.
  Hand protection:        Protective gloves.    
  Eye protection:        Safety glasses. A face-shield, if the situation requires.    
  Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Liquid    
    Clear
  Form:
  Colour:        Colorless - Slightly pale yellow    
  Odour:        No data available    
  pH: No data available
  Melting point/freezing point:No data available
  Boiling point/range:        177°C    
  Flash point:        60°C    
  Flammability or explosive
  limits:
  Lower:        0.7%    
  Upper:        No data available    
  Relative density:        0.91    
  Solubility(ies):
  [Water]        Insoluble    
  [Other solvents]        No data available    
  Autoignition temperature: 494°C

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:        orl-rat LD50:3600 mg/kg    
  Skin corrosion/irritation: No data available
  Serious eye        No data available    
  damage/irritation:
  Germ cell mutagenicity: No data available
  Carcinogenicity:
  IARC =        No data available    
  NTP =        No data available    
  Reproductive toxicity:        No data available    
  RTECS Number:        DA8400000    

Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
  Fish:        No data available    
    No data available
  Crustacea:
  β-Methylstyrene (cis- and trans- mixture)
  (stabilized with TBC)

Section 12. ECOLOGICAL INFORMATION
    No data available
  Algae:
  Persistence / degradability: No data available
    No data available
  Bioaccumulative
  potential(BCF):
  Mobility in soil
  Log Pow:        No data available    
    No data available
  Soil adsorption (Koc):
  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. Observe all federal, state and local regulations when
    disposing of the substance.

Section 14. TRANSPORT INFORMATION
  Hazards Class:        3: Flammable liquid.    
    3295
  UN-No:
  Proper shipping name:        Hydrocarbons, liquid, n.o.s.    
    III
  Packing group:

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.


SECTION 16 - ADDITIONAL INFORMATION
N/A

Spectrum

NMR Spectrum 1H NMR : Predict
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Analysis Methods

Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
1026.
Temperature Control
130.
Method
isothermal
Comments
Column length: 100. m; Column diameter: 0.5 mm
Reference
Bredael, P.Retention indices of hydrocarbons on SE-30J. Hi. Res. Chromatogr. Chromatogr. Comm.1982, 5, 6, 325-328.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
1011.
Temperature Control
80.
Method
isothermal
Comments
Column length: 100. m; Column diameter: 0.5 mm
Reference
Bredael, P.Retention indices of hydrocarbons on SE-30J. Hi. Res. Chromatogr. Chromatogr. Comm.1982, 5, 6, 325-328.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
1004.2
Temperature Control
65.
Method
isothermal
Comments
He; Column length: 25.5 m; Column diameter: 0.5 mm
Reference
Svob, V.Deur-Siftar, D.Cramers, C.A.Mechanisms of the thermal degradation of alkylbenzenesJ. Chromatogr.1974, 91, 659-675.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
1004.2
Temperature Control
65.
Method
isothermal
Comments
He; Column length: 25.5 m; Column diameter: 0.5 mm
Reference
Svob, V.Deur-Siftar, D.Cramers, C.A.Mechanisms of the thermal degradation of alkylbenzenesJ. Chromatogr.1974, 91, 659-675.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
1004.2
Temperature Control
65.
Method
isothermal
Comments
He; Column length: 25.5 m; Column diameter: 0.5 mm
Reference
Svob, V.Deur-Siftar, D.Cramers, C.A.Mechanisms of the thermal degradation of alkylbenzenesJ. Chromatogr.1974, 91, 659-675.

Related Compound Information