2-ethenyl-1,3-dimethylbenzene

Also known as: 1,3-Dimethyl-2-ethenylbenzene, 1,3-Dimethyl-2-vinylbenzene, 1-ethenyl-2,6-dimethylbenzene, 2,6-DIMETHYLSTYRENE, 2,6-Dimethyl-styrol, 2,6-dimethyl-1-vinylbenzene, 2,6-dimethylvinylbenzene, 2-ethenyl-1,3-dimethyl-benzene, 2-vinyl-m-xylene, Benzene,2-ethenyl-1,3-dimethyl, Benzene,2-ethenyl-1,3-dimethyl-, Styrene, 2,6-dimethyl-, Styrene,2,6-dimethyl, benzene,1-ethenyl-2,6-dimethyl-, styrene,2,6-dimethyl-

2-ethenyl-1,3-dimethylbenzene (CAS 2039-90-9) 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. Key properties include a boiling point of 184.3ºC at 760mmHg, a density of 0.893g/cm3 and a flash point of 56.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2039-90-9
Jingsj CID: J-1525898-7
Molecular Formula: C₁₀H₁₂
Molecular Weight: 132.20200 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	184.3ºC at 760mmHg
Density	0.893g/cm3
Flash Point	56.8ºC
Exact Mass	132.09400
LogP	2.94640
Vapor Pressure	1.01mmHg at 25°C
Refractive Index	1.545

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-ethenyl-1,3-dimethylbenzene?

The CAS number of 2-ethenyl-1,3-dimethylbenzene is 2039-90-9.

What are the molecular formula and molecular weight of 2-ethenyl-1,3-dimethylbenzene?

2-ethenyl-1,3-dimethylbenzene has molecular formula C10H12 and molecular weight 132.20200 g/mol.

What are the upstream and downstream products of 2-ethenyl-1,3-dimethylbenzene?

For 2-ethenyl-1,3-dimethylbenzene, Upstream Products: 2,6-Dimethylphenylboronic acid, 2-Chloro-1,3-dimethylbenzene, Tributyl(vinyl)tin; Downstream Products: 1-(2,6-dimethylphenyl)ethanone, 2,6-Dimethylbenzaldehyde, 2-Cyclopropyl-1,3-dimethylbenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-ethenyl-1,3-dimethylbenzene (CAS 2039-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525898-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.