2,5-dimethylstyrene
Also known as: 1,4-Dimethyl-2-ethenylbenzene, 1,4-Dimethyl-2-vinylbenzene, 2,5-Dimethylstyrene, 2-ethenyl-1,4-dimethyl-benzene, 2-ethenyl-1,4-dimethylbenzene, 2-vinyl-p-xylene, Benzene,2-ethenyl-1,4-dimethyl, EINECS 218-028-9, MFCD00008614, Styrene,2,5-dimethyl, o-vinyl-p-xylene
2,5-dimethylstyrene (CAS 2039-89-6) 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 melting point of −35 °C(lit.), a boiling point of 71-72 °C10 mm Hg(lit.), a density of 0.904 g/mL at 25 °C(lit.) and a flash point of 63.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 2039-89-6
- Jingsj CID
- J-50112-2
- Molecular Formula
- C10H12
- Molecular Weight
- 132.20200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −35 °C(lit.) |
|---|---|
| Boiling Point | 71-72 °C10 mm Hg(lit.) |
| Density | 0.904 g/mL at 25 °C(lit.) |
| Flash Point | 63.9 °C |
| Exact Mass | 132.09400 |
| LogP | 2.94640 |
| Vapor Pressure | 0.628mmHg at 25°C |
| Refractive Index | n20/D 1.539(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,5-dimethylstyrene?
The CAS number of 2,5-dimethylstyrene is 2039-89-6.
What are the molecular formula and molecular weight of 2,5-dimethylstyrene?
2,5-dimethylstyrene has molecular formula C10H12 and molecular weight 132.20200 g/mol.
Is 2,5-dimethylstyrene hazardous?
2,5-dimethylstyrene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,5-dimethylstyrene?
For 2,5-dimethylstyrene, Upstream Products: 2-Chloro-1,4-dimethylbenzene, Tributyl(vinyl)tin, 1-(2,5-dimethylphenyl)ethanol; Downstream Products: 2-Ethynyl-1,4-dimethylbenzene, 2,5-Dimethylbenzaldehyde, 1,4-dimethyl-2-ethylbenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-dimethylstyrene (CAS 2039-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50112-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.