3-Butenenitrile
Also known as: Allyl cyanide, Allylnitrile, Vinylacetonitrile, Allylcyanid, Allylkyanid, Propene-3-nitrile, but-3-enenitrile, beta-Butenonitrile, CH2=CHCH2CN, MFCD00001962, EINECS 203-701-1
3-Butenenitrile (CAS 109-75-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H5N and a molecular weight of 67.089 g/mol. Key properties include a melting point of -87°C, a boiling point of 116-121 ºC, a density of 0.834 and a flash point of 23.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-75-1
- Jingsj CID
- J-3429-8
- Molecular Formula
- C4H5N
- Molecular Weight
- 67.089 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -87°C |
|---|---|
| Boiling Point | 116-121 ºC |
| Density | 0.834 |
| Flash Point | 23.9±0.0 °C |
| Exact Mass | 67.042198 |
| PSA | 23.79000 |
| LogP | 0.40 |
| Vapor Pressure | 16.3±0.2 mmHg at 25°C |
| Refractive Index | 1.402 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H331 — Toxic if inhaled
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds 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-Butenenitrile?
The CAS number of 3-Butenenitrile is 109-75-1.
What are the molecular formula and molecular weight of 3-Butenenitrile?
3-Butenenitrile has molecular formula C4H5N and molecular weight 67.089 g/mol.
Is 3-Butenenitrile hazardous?
3-Butenenitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H331 — Toxic if inhaled.
What are the upstream and downstream products of 3-Butenenitrile?
For 3-Butenenitrile, Upstream Products: Allyl bromide, Vinyl bromide, Acetonitrile; Downstream Products: Methyl 3-butenoate, 1-ethyl-3-methyl-1H-pyrazol-5-amine, 4-Amino-2,6-dimethylpyrimidine.
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-Butenenitrile (CAS 109-75-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3429-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.