Chloromethylphosphonothioic dichloride

氯甲基硫膦

Also known as: (Chloromethyl)phosphonothioic acid dichloride, Phosphonothioic dichloride, P-(chloromethyl)-, Dichloro(chloromethyl)-λ5-phosphanethione, Chlormethylthiophosphonsaeure-dichlorid, MFCD00015876, chloromethyldichlorophosphane sulfide, chloromethylthiophosphonyl dichloride

Chloromethylphosphonothioic dichloride (CAS 1983-27-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula CH2Cl3PS and a molecular weight of 183.42400 g/mol. It is also known as (Chloromethyl)phosphonothioic acid dichloride, Phosphonothioic dichloride, P-(chloromethyl)- and Dichloro(chloromethyl)-λ5-phosphanethione. Key properties include a boiling point of 89ºC 30mm, a density of 1.649g/cm3 and a flash point of 89°C/30mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1983-27-3
Jingsj CID: J-38112-5
Molecular Formula: CH₂Cl₃PS
Chinese Name: 氯甲基硫膦
Molecular Weight: 183.42400 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	89ºC 30mm
Density	1.649g/cm3
Flash Point	89°C/30mm

Frequently Asked Questions

What is the CAS number of Chloromethylphosphonothioic dichloride?

The CAS number of Chloromethylphosphonothioic dichloride is 1983-27-3.

What are the molecular formula and molecular weight of Chloromethylphosphonothioic dichloride?

Chloromethylphosphonothioic dichloride has molecular formula CH2Cl3PS and molecular weight 183.42400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Chloromethylphosphonothioic dichloride (CAS 1983-27-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38112-5 (accessed 2026-10-23).

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