Methylphosphonic dichloride

二氯甲基膦

Also known as: Methanephosphonic dichloride, Methanephosphonyl chloride, Methylphosphonyl dichloride, Phosphonic dichloride, P-methyl-, dichlorophosphorylmethane

Methylphosphonic dichloride (CAS 676-97-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula CH3Cl2OP and a molecular weight of 132.914 g/mol. It is also known as Methanephosphonic dichloride, Methanephosphonyl chloride and Methylphosphonyl dichloride. Key properties include a melting point of 32-60ºC, a boiling point of 163.0±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 44.1±18.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
676-97-1
Jingsj CID
J-16035-5
Molecular Formula
CH3Cl2OP
Chinese Name
二氯甲基膦
Molecular Weight
132.914 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point32-60ºC
Boiling Point163.0±0.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point44.1±18.7 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Methylphosphonic dichloride?

The CAS number of Methylphosphonic dichloride is 676-97-1.

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

Methylphosphonic dichloride has molecular formula CH3Cl2OP and molecular weight 132.914 g/mol.

Is Methylphosphonic dichloride hazardous?

Methylphosphonic dichloride 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. "Methylphosphonic dichloride (CAS 676-97-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16035-5 (accessed 2026-10-24).

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