4-Methoxystyrene
Also known as: 4-Vinylanisole, p-Methoxystyrene, p-Vinylanisole, 1-Methoxy-4-vinylbenzene, 1-Ethenyl-4-methoxybenzene, Methyl 4-vinylphenyl ether, 4-ethenylphenyl methyl ether, Anisole, p-vinyl-, Benzene, 1-ethenyl-4-methoxy-, styrene, 4-methoxy-
4-Methoxystyrene (CAS 637-69-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.175 g/mol. Key properties include a melting point of 3.3ºC, a boiling point of 220.7±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 76.7±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 637-69-4
- Jingsj CID
- J-24176-9
- Molecular Formula
- C9H10O
- Molecular Weight
- 134.175 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 3.3ºC |
|---|---|
| Boiling Point | 220.7±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 76.7±0.0 °C |
| Exact Mass | 134.073166 |
| PSA | 9.23000 |
| LogP | 2.64 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.542 |
Customs & Trade Information
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Methoxystyrene?
The CAS number of 4-Methoxystyrene is 637-69-4.
What are the molecular formula and molecular weight of 4-Methoxystyrene?
4-Methoxystyrene has molecular formula C9H10O and molecular weight 134.175 g/mol.
What are the upstream and downstream products of 4-Methoxystyrene?
For 4-Methoxystyrene, Upstream Products: 1-Chloro-4-methoxybenzene, Tributyl(vinyl)tin, Tetravinylsilane; Downstream Products: 2-(4-methoxyphenyl)-2-oxoacetaldehyde, 3-Bromo-5-(4-methoxyphenyl)-4,5-dihydroisoxazole, 3,3'-Bithiophene.
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-Methoxystyrene (CAS 637-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24176-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.