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S-(Cyanomethyl) ethanethioate

氰甲基硫代乙酸

Also known as: Acetylthioacetonitrile, 2-(Acetylsulfanyl)acetonitrile, ACETYLMERCAPTOACETONITRILE, ACETYLTHIOACETONITRILE, CYANOMETHYL ETHANETHIOATE, Ethanethioic acid, S-(cyanomethyl) ester, S-(Cyanomethyl) thioacetate, Cyanomethyl thioacetate, Thioacetic acid S-cyanomethyl ester, acetylmercaptomethylcyanide, MFCD00173920, RW2820

S-(Cyanomethyl) ethanethioate (CAS 59463-56-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5NOS and a molecular weight of 115.154 g/mol. It is also known as Acetylthioacetonitrile, 2-(Acetylsulfanyl)acetonitrile and ACETYLMERCAPTOACETONITRILE. Key properties include a melting point of 226-227ºC, a boiling point of 198.1±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 73.6±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59463-56-8
Jingsj CID
J-48302-7
Molecular Formula
C4H5NOS
Chinese Name
氰甲基硫代乙酸
Molecular Weight
115.154 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point226-227ºC
Boiling Point198.1±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point73.6±22.6 °C

Frequently Asked Questions

What is the CAS number of S-(Cyanomethyl) ethanethioate?

The CAS number of S-(Cyanomethyl) ethanethioate is 59463-56-8.

What are the molecular formula and molecular weight of S-(Cyanomethyl) ethanethioate?

S-(Cyanomethyl) ethanethioate has molecular formula C4H5NOS and molecular weight 115.154 g/mol.

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

Last updated:

How to cite: Jingsj. "S-(Cyanomethyl) ethanethioate (CAS 59463-56-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48302-7 (accessed 2026-10-23).

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