4-Methylstyrene
Also known as: 1-ethenyl-4-methylbenzene, EINECS 210-762-8, MFCD00008621
4-Methylstyrene (CAS 622-97-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10 and a molecular weight of 118.17600 g/mol. Key properties include a melting point of -34 °C, a boiling point of 170-175 °C(lit.), a density of 0.897 g/mL at 25 °C(lit.) and a flash point of 45.6 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 622-97-9
- Jingsj CID
- J-1339604-8
- Molecular Formula
- C9H10
- Molecular Weight
- 118.17600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -34 °C |
|---|---|
| Boiling Point | 170-175 °C(lit.) |
| Density | 0.897 g/mL at 25 °C(lit.) |
| Flash Point | 45.6 °C |
| Exact Mass | 118.07800 |
| LogP | 2.63800 |
| Vapor Pressure | <1 mm Hg ( 20 °C) |
| Refractive Index | n20/D 1.542(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H304
- 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 4-Methylstyrene?
The CAS number of 4-Methylstyrene is 622-97-9.
What are the molecular formula and molecular weight of 4-Methylstyrene?
4-Methylstyrene has molecular formula C9H10 and molecular weight 118.17600 g/mol.
Is 4-Methylstyrene hazardous?
4-Methylstyrene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H304; H315 — Causes skin irritation.
What are the upstream and downstream products of 4-Methylstyrene?
For 4-Methylstyrene, Upstream Products: 4-Iodotoluene, Vinyltrimethylsilane, Tetravinylsilane; Downstream Products: 2-(4-methylphenyl)-2-oxoacetaldehyde, Methyl 4'-methylbiphenyl-4-carboxylate, 4-Methylpropiophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylstyrene (CAS 622-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339604-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.