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Aromatics

2-Methylstyrene

Also known as 2-Vinyltoluene, 1-Methyl-2-vinylbenzene, 1-Ethenyl-2-methylbenzene

CAS 611-15-4Formula C9H10Molar mass 118.18 g/molEC 210-256-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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2-Methylstyrene chemical structure, C9H10, CAS 611-15-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Melting point
-68.5 °C
Boiling point
170 °C
Density
0.9077 g/cm³ at 25 °C
Flash point
58 °C
HS code
290290
Category
Aromatics
UN number
UN 2618
Illustrative photo, closed amber glass reagent bottles on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is 2-Methylstyrene?

Plain description, key identifiers and synonyms

2-vinyltoluene has been reported in Solanum lycopersicum.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethenyl-2-methylbenzene
CAS number
611-15-4 CAS number cross-checkedOther or deprecated CAS: 25087-21-2
EC number
210-256-7
Molecular formula
C9H10
UNII
556UO5CL44
MDL number
MFCD00014936
InChIKey
NVZWEEGUWXZOKI-UHFFFAOYSA-N
InChI
InChI=1S/C9H10/c1-3-9-7-5-4-6-8(9)2/h3-7H,1H2,2H3
SMILES (canonical and isomeric)
CC1=CC=CC=C1C=C

Synonyms

  • 2-Vinyltoluene
  • 1-Methyl-2-vinylbenzene
  • 1-Ethenyl-2-methylbenzene
  • Styrene, o-methyl-
  • Benzene, 1-ethenyl-2-methyl-
  • 2-Ethenylmethylbenzene
  • o-Vinyltoluene
  • o-Methylstyrene
  • Vinyl toluene
  • Poly(vinyltoluene)
  • 2-Methyl-1-vinylbenzene
  • 2-Methylstyrene (stabilized with tbc)
  • 1-methyl-2-vinyl-benzene
  • 1-ethenyl-2-methyl-benzene
  • ortho-Methylstyrene
  • Benzene, ethenylmethyl-
  • o-methyl-styrene
  • o-METHYL STYRENE
  • (2-Tolyl)ethene
  • Methylstyrene, o-
  • 4-05-00-01367 (Beilstein Handbook Reference)
  • Nvzweeguwxzoki-uhfffaoysa-
  • 2-Methylstyrene, >=95.0% (GC)
  • Benzene,ethenylmethyl-, homopolymer

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Liquidexp.
Melting point
-68.5 °Cexp.
Boiling point
170 °Cexp.
Density
0.9077 g/cm³ at 25 °Cexp.
Flash point
58 °Cexp.
Autoignition temperature
494 °Cexp.
Solubility
Insoluble in waterexp.
Vapour pressure
1.85 mm Hg at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
118.18 g/molcalc.
Exact mass
118.0783 Dacalc.
LogP (octanol/water)
2.64calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.11calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H332Harmful if inhaled.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2618
Transport hazard class
3
Packing group
III

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

2-Methylstyrene suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Cpachem OOD
    Bulgaria, Bogomilovo ManufacturerUnclaimed profile
    2-MethylstyreneGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

1 supplier in 1 country

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2-Methylstyrene price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Surface modifier, Diluent, Monomers, Fuel agents, Solvent.

Consumer uses: Fuel agents, Monomers.

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 601-028-00-1

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Methylstyrene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Methylstyrene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Methylstyrene, based on the data on this page

What is 2-Methylstyrene?

2-vinyltoluene has been reported in Solanum lycopersicum.

What is the CAS number of 2-Methylstyrene?

The CAS registry number of 2-Methylstyrene is 611-15-4. Other or deprecated CAS numbers: 25087-21-2.

What is the molecular formula and weight of 2-Methylstyrene?

The molecular formula of 2-Methylstyrene is C9H10 and its molar mass is 118.18 g/mol.

What is 2-Methylstyrene used for?

Industrial uses: Surface modifier, Diluent, Monomers, Fuel agents, Solvent. Consumer uses: Fuel agents, Monomers.

Is 2-Methylstyrene hazardous?

2-Methylstyrene carries the GHS signal word "Warning". Main hazards: harmful if inhaled, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Methylstyrene?

2-Methylstyrene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Methylstyrene?

CompoundList lists 1 supplier of 2-Methylstyrene in Bulgaria. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Methylstyrene?

Suppliers quote 2-Methylstyrene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2-Methylstyrene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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