Isobutyronitrile
Also known as: 1-Cyano-1-methylethane, 2-Cyanopropane, 2-Methylpropionitrile, 2-methylpropanenitrile, 2-methylpropiononitrile, Dimethylacetonitrile, Isopropyl cyanide, Isopropylnitrile, Propanenitrile,2-methyl, iso-butyronitrile
Isobutyronitrile (CAS 78-82-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H7N and a molecular weight of 69.10510 g/mol. Key properties include a melting point of -72 °C, a boiling point of 107-108 °C(lit.), a density of 0.770 g/mL at 20 °C(lit.) and a flash point of 3.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H300 and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 78-82-0
- Jingsj CID
- J-1498401-7
- Molecular Formula
- C4H7N
- Molecular Weight
- 69.10510 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -72 °C |
|---|---|
| Boiling Point | 107-108 °C(lit.) |
| Density | 0.770 g/mL at 20 °C(lit.) |
| Flash Point | 3.9 °C |
| Exact Mass | 69.05780 |
| PSA | 23.79000 |
| LogP | 1.16598 |
| Additional Property | 2.38 (vs air) |
| Vapor Pressure | 100 mm Hg ( 54.4 °C) |
| Refractive Index | n20/D 1.372(lit.) |
| Additional Property | 35 g/L (20 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H300
- H311 — Toxic in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of Isobutyronitrile?
The CAS number of Isobutyronitrile is 78-82-0.
What are the molecular formula and molecular weight of Isobutyronitrile?
Isobutyronitrile has molecular formula C4H7N and molecular weight 69.10510 g/mol.
Is Isobutyronitrile hazardous?
Isobutyronitrile has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H300; H311 — Toxic in contact with skin.
What are the upstream and downstream products of Isobutyronitrile?
For Isobutyronitrile, Upstream Products: Isobutyramide, Isobutyraldehyde oxime, Isobutylamine; Downstream Products: 2-Methyl-3-pentanone, 6-Chloro-2-iodo-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine, N-Hydroxy-2-methylpropanimidamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyronitrile (CAS 78-82-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498401-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.