3-Vinylbenzoic acid
Also known as: 3-Ethenylbenzoic acid, m-Vinylbenzoic acid, Benzoic acid, 3-ethenyl-, m-Carboxystyrene, 3-Carboxystyrene, meta-Vinylbenzoic acid
3-Vinylbenzoic acid (CAS 28447-20-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.15900 g/mol. Key properties include a melting point of 91-95ºC(lit.), a boiling point of 298.7ºC at 760 mmHg, a density of 1.158 g/cm3 and a flash point of 135.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28447-20-3
- Jingsj CID
- J-1524818-7
- Molecular Formula
- C9H8O2
- Molecular Weight
- 148.15900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 91-95ºC(lit.) |
|---|---|
| Boiling Point | 298.7ºC at 760 mmHg |
| Density | 1.158 g/cm3 |
| Flash Point | 135.7ºC |
| Exact Mass | 148.05200 |
| PSA | 37.30000 |
| LogP | 2.02780 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Vinylbenzoic acid?
The CAS number of 3-Vinylbenzoic acid is 28447-20-3.
What are the molecular formula and molecular weight of 3-Vinylbenzoic acid?
3-Vinylbenzoic acid has molecular formula C9H8O2 and molecular weight 148.15900 g/mol.
What are the upstream and downstream products of 3-Vinylbenzoic acid?
For 3-Vinylbenzoic acid, Upstream Products: Vinylmagnesium bromide, 3-Iodobenzoic acid, Tributyl(vinyl)tin; Downstream Products: Methyl 3-vinylbenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Vinylbenzoic acid (CAS 28447-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524818-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.