2,4-dimethylstyrene

2,4-二甲基苯乙烯

Also known as: 1,3-Dimethyl-4-ethenylbenzene, 1,3-Dimethyl-4-vinylbenzene, 1-Vinyl-2,4-dimethylbenzene, 1-ethenyl-2,4-dimethylbenzene, 2,4-DIAMINOPYRIMIDINE-5-CARBOXALDEHYDE, 2,4-Dimethyl-styrol, 2,4-Dimethylstyrene, 2,4-dimethyl vinyl benzene, 2,4-dimethyl-1-vinylbenzene, 4-Vinyl-m-xylene, Benzene,1-ethenyl-2,4-dimethyl, EINECS 218-781-3, MFCD00014937, Styrene,2,4-dimethyl

2,4-dimethylstyrene (CAS 2234-20-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12 and a molecular weight of 132.20200 g/mol. It is also known as 1,3-Dimethyl-4-ethenylbenzene, 1,3-Dimethyl-4-vinylbenzene and 1-Vinyl-2,4-dimethylbenzene. Key properties include a melting point of −64 °C(lit.), a boiling point of 73-74 °C10 mm Hg(lit.), a density of 0.906 g/mL at 25 °C(lit.) and a flash point of 140 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2234-20-0
Jingsj CID
J-33877-8
Molecular Formula
C10H12
Chinese Name
2,4-二甲基苯乙烯
Molecular Weight
132.20200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−64 °C(lit.)
Boiling Point73-74 °C10 mm Hg(lit.)
Density0.906 g/mL at 25 °C(lit.)
Flash Point140 °F

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,4-dimethylstyrene?

The CAS number of 2,4-dimethylstyrene is 2234-20-0.

What are the molecular formula and molecular weight of 2,4-dimethylstyrene?

2,4-dimethylstyrene has molecular formula C10H12 and molecular weight 132.20200 g/mol.

Is 2,4-dimethylstyrene hazardous?

2,4-dimethylstyrene has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,4-dimethylstyrene (CAS 2234-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33877-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.