4-Vinylbenzoic acid
Also known as: p-Vinylbenzoic acid, 4-Carboxystyrene, Styrene-4-carboxylic acid, Benzoic acid, 4-ethenyl-, p-Carboxystyrene
4-Vinylbenzoic acid (CAS 1075-49-6) 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 148.159 g/mol. Key properties include a melting point of 142-144 °C(lit.), a boiling point of 291.3±19.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 132.8±16.2 °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 Aug 21, 2026.
- CAS No.
- 1075-49-6
- Jingsj CID
- J-1500462-3
- Molecular Formula
- C9H8O2
- Molecular Weight
- 148.159 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 142-144 °C(lit.) |
|---|---|
| Boiling Point | 291.3±19.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 132.8±16.2 °C |
| Exact Mass | 148.052429 |
| PSA | 37.30000 |
| LogP | 2.18 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.606 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 4-Vinylbenzoic acid?
The CAS number of 4-Vinylbenzoic acid is 1075-49-6.
What are the molecular formula and molecular weight of 4-Vinylbenzoic acid?
4-Vinylbenzoic acid has molecular formula C9H8O2 and molecular weight 148.159 g/mol.
Is 4-Vinylbenzoic acid hazardous?
4-Vinylbenzoic acid 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 4-Vinylbenzoic acid?
For 4-Vinylbenzoic acid, Upstream Products: Carbon dioxide, 4-Bromostyrene, Triethoxyvinylsilane; Downstream Products: 4-(2-Hydroxyethyl)benzoic acid, Ethyl 4-vinylbenzoate, 4-Acetylbenzoic acid.
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-Vinylbenzoic acid (CAS 1075-49-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500462-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.