Cyclopropyl isothiocyanate

异硫氰酸环丙酯

Also known as: Isothiocyanatocyclopropane, cyclopropane, isothiocyanato-, ART-CHEM-BB B022766, AKOS B022766, EINECS 260-278-6, MFCD00040874

Cyclopropyl isothiocyanate (CAS 56601-42-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5NS and a molecular weight of 99.154 g/mol. It is also known as Isothiocyanatocyclopropane, cyclopropane, isothiocyanato- and ART-CHEM-BB B022766. Key properties include a boiling point of 162.8±7.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 43.9±26.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56601-42-4
Jingsj CID
J-1163670-4
Molecular Formula
C4H5NS
Chinese Name
异硫氰酸环丙酯
Molecular Weight
99.154 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point162.8±7.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point43.9±26.0 °C

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Cyclopropyl isothiocyanate?

The CAS number of Cyclopropyl isothiocyanate is 56601-42-4.

What are the molecular formula and molecular weight of Cyclopropyl isothiocyanate?

Cyclopropyl isothiocyanate has molecular formula C4H5NS and molecular weight 99.154 g/mol.

Is Cyclopropyl isothiocyanate hazardous?

Cyclopropyl isothiocyanate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Cyclopropyl isothiocyanate (CAS 56601-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1163670-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.