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Cyclopropanecarbonitrile

Also known as: Cyclopropyl cyanide, Cyanocyclopropane, Cyclopropane cyanide, Cyclopropylnitrile, Cyclopropanenitrile, 1-Cyanocyclopropane, CPCN, Cyclopropanecarboxylic acid nitrile, NSC 60191

Cyclopropanecarbonitrile (CAS 5500-21-0) is a compound in the Nitrogen Compounds 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 -25ºC, a boiling point of 135.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 32.8±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 H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5500-21-0
Jingsj CID
J-6244-6
Molecular Formula
C4H5N
Molecular Weight
67.089 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-25ºC
Boiling Point135.0±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point32.8±0.0 °C
Exact Mass67.042198
PSA23.79000
LogP-0.08
Vapor Pressure7.9±0.2 mmHg at 25°C
Refractive Index1.443

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H226 — 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 Cyclopropanecarbonitrile?

The CAS number of Cyclopropanecarbonitrile is 5500-21-0.

What are the molecular formula and molecular weight of Cyclopropanecarbonitrile?

Cyclopropanecarbonitrile has molecular formula C4H5N and molecular weight 67.089 g/mol.

Is Cyclopropanecarbonitrile hazardous?

Cyclopropanecarbonitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Cyclopropanecarbonitrile?

For Cyclopropanecarbonitrile, Upstream Products: 4-Chlorobutyronitrile, Acrylonitrile, Dibromomethane; Downstream Products: Cyclopropyl[3-(trifluoromethyl)phenyl]methanone, N'-Hydroxycyclopropanecarboximidamide, Cyclopropyl 2-fluorobenzyl ketone.

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

Last updated:

How to cite: Jingsj. "Cyclopropanecarbonitrile (CAS 5500-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6244-6 (accessed 2026-11-06).

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