3-Vinylbenzaldehyde
Also known as: 3-ethenylbenzaldehyde, Benzaldehyde, 3-ethenyl-, 3-Formylstyrene, m-Vinylbenzaldehyde, 3-Vinylbenzaldehyd, m-ethenylbenzaldehyde, MFCD02093761
3-Vinylbenzaldehyde (CAS 19955-99-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8O and a molecular weight of 132.15900 g/mol. Key properties include a boiling point of 230.2ºC at 760 mmHg, a density of 1.04 g/mL at 25ºC(lit.) and a flash point of 98.9 °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.
- 19955-99-8
- Jingsj CID
- J-1503033-8
- Molecular Formula
- C9H8O
- Molecular Weight
- 132.15900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230.2ºC at 760 mmHg |
|---|---|
| Density | 1.04 g/mL at 25ºC(lit.) |
| Flash Point | 98.9 °C |
| Exact Mass | 132.05800 |
| PSA | 17.07000 |
| LogP | 2.14210 |
| Vapor Pressure | 0.0668mmHg at 25°C |
| Refractive Index | n20/D 1.58(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2912299000 |
|---|---|
| Summary | 2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Vinylbenzaldehyde?
The CAS number of 3-Vinylbenzaldehyde is 19955-99-8.
What are the molecular formula and molecular weight of 3-Vinylbenzaldehyde?
3-Vinylbenzaldehyde has molecular formula C9H8O and molecular weight 132.15900 g/mol.
Is 3-Vinylbenzaldehyde hazardous?
3-Vinylbenzaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
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-Vinylbenzaldehyde (CAS 19955-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503033-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.