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Butyronitrile

Also known as: Butanenitrile, n-Butyronitrile, 1-Cyanopropane, Propyl cyanide, n-Propyl cyanide, Butyric acid nitrile, Butyrylonitrile, n-Butanenitrile

Butyronitrile (CAS 109-74-0) 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 −112 °C(lit.), a boiling point of 115-117 °C(lit.), a density of 0.794 g/mL at 25 °C(lit.) and a flash point of 16.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
109-74-0
Jingsj CID
J-28044-8
Molecular Formula
C4H7N
Molecular Weight
69.10510 g/mol
Category
Nitrogen Compounds
Last updated
11/2/2026

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Physicochemical Properties

Melting Point−112 °C(lit.)
Boiling Point115-117 °C(lit.)
Density0.794 g/mL at 25 °C(lit.)
Flash Point16.7 °C
Exact Mass69.05780
PSA23.79000
LogP1.31008
Additional Property2.4 (vs air)
Vapor Pressure5.79mmHg at 25°C
Refractive Indexn20/D 1.384(lit.)

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled

Customs & Trade Information

HS Code2926909090
SummaryHS: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 Butyronitrile?

The CAS number of Butyronitrile is 109-74-0.

What are the molecular formula and molecular weight of Butyronitrile?

Butyronitrile has molecular formula C4H7N and molecular weight 69.10510 g/mol.

Is Butyronitrile hazardous?

Butyronitrile has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Butyronitrile?

For Butyronitrile, Upstream Products: Butyraldoxime, 1-Butanol, Butyraldehyde; Downstream Products: Butylamine, 2-Fluoropyridine, 3-Amino-4-ethylpyrazole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Butyronitrile (CAS 109-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28044-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.