3-Methylbutanenitrile
Also known as: Isovaleronitrile, Isobutyl cyanide, 3-Methylbutyronitrile, 3-methyl-butyronitrile, Butanenitrile,3-methyl-, Butyronitrile, 2-methyl-, 2-Methylbutane secondary mononitrile, 2-methylbutanesecondarymononitrile, 3-methyl-butanenitril, 3-methyl-butyronitril
3-Methylbutanenitrile (CAS 625-28-5) 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 melting point of -101ºC, a boiling point of 128-130 °C730 mm Hg(lit.), a density of 0.795 g/mL at 25 °C(lit.) and a flash point of 28.3 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 625-28-5
- Jingsj CID
- J-1322220-2
- Molecular Formula
- C5H9N
- Molecular Weight
- 83.13170 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -101ºC |
|---|---|
| Boiling Point | 128-130 °C730 mm Hg(lit.) |
| Density | 0.795 g/mL at 25 °C(lit.) |
| Flash Point | 28.3 °C |
| Exact Mass | 83.07350 |
| PSA | 23.79000 |
| LogP | 1.55608 |
| Refractive Index | n20/D 1.393(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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-Methylbutanenitrile?
The CAS number of 3-Methylbutanenitrile is 625-28-5.
What are the molecular formula and molecular weight of 3-Methylbutanenitrile?
3-Methylbutanenitrile has molecular formula C5H9N and molecular weight 83.13170 g/mol.
Is 3-Methylbutanenitrile hazardous?
3-Methylbutanenitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of 3-Methylbutanenitrile?
For 3-Methylbutanenitrile, Upstream Products: Isovaleric acid, 1-Bromo-2-methylpropane, Isovaleramide; Downstream Products: 3-Methylbutan-1-amine, Diisoamylamine, Ethyl 5-methyl-3-oxohexanoate.
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-Methylbutanenitrile (CAS 625-28-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1322220-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.