2-Methylbutyronitrile
Also known as: 2-Methylbutanenitrile, sec-Butyl Cyanide, 2-Cyanobutane, 2-Methylbutanone cyanohydrin, alpha-Methylbutyronitrile
2-Methylbutyronitrile (CAS 18936-17-9) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9N and a molecular weight of 83.13170 g/mol. Key properties include a boiling point of 127.3ºC at 760mmHg, a density of 0.793g/cm3 and a flash point of 24.4ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H300 and H304. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18936-17-9
- Jingsj CID
- J-45585-7
- Molecular Formula
- C5H9N
- Molecular Weight
- 83.13170 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 127.3ºC at 760mmHg |
|---|---|
| Density | 0.793g/cm3 |
| Flash Point | 24.4ºC |
| Exact Mass | 83.07350 |
| PSA | 23.79000 |
| LogP | 1.55608 |
| Vapor Pressure | 11.2mmHg at 25°C |
| Refractive Index | 1.394 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H300
- H304
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H412 — Harmful to aquatic life with long lasting effects
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 2-Methylbutyronitrile?
The CAS number of 2-Methylbutyronitrile is 18936-17-9.
What are the molecular formula and molecular weight of 2-Methylbutyronitrile?
2-Methylbutyronitrile has molecular formula C5H9N and molecular weight 83.13170 g/mol.
Is 2-Methylbutyronitrile hazardous?
2-Methylbutyronitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H300; H304.
What are the upstream and downstream products of 2-Methylbutyronitrile?
For 2-Methylbutyronitrile, Upstream Products: 1-Butene, 2-butene, (Z)-2-bromo-2-butene; Downstream Products: 2-Methylbutanoic 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. "2-Methylbutyronitrile (CAS 18936-17-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45585-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.