2-Chloro-1,3,2-dioxaphospholane

2-氯-1,3,2-二氧磷杂环戊烷

Also known as: Ethylene chlorophosphite, Ethylene cyclochlorophosphite, Ethylene cyclo-chlorophosphite, Ethylenephosphorochloridite, 1,3,2-Dioxaphospholane, 2-chloro-, 2-Chloro-1,3,2-dioxaphosphorane

2-Chloro-1,3,2-dioxaphospholane (CAS 822-39-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H4ClO2P and a molecular weight of 126.479 g/mol. It is also known as Ethylene chlorophosphite, Ethylene cyclochlorophosphite and Ethylene cyclo-chlorophosphite. Key properties include a melting point of -28ºC, a boiling point of 117.4±7.0 °C at 760 mmHg, a density of 1.422 g/mL at 25 °C(lit.) and a flash point of 24.8±18.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
822-39-9
Jingsj CID
J-40296-1
Molecular Formula
C2H4ClO2P
Chinese Name
2-氯-1,3,2-二氧磷杂环戊烷
Molecular Weight
126.479 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-28ºC
Boiling Point117.4±7.0 °C at 760 mmHg
Density1.422 g/mL at 25 °C(lit.)
Flash Point24.8±18.2 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Chloro-1,3,2-dioxaphospholane?

The CAS number of 2-Chloro-1,3,2-dioxaphospholane is 822-39-9.

What are the molecular formula and molecular weight of 2-Chloro-1,3,2-dioxaphospholane?

2-Chloro-1,3,2-dioxaphospholane has molecular formula C2H4ClO2P and molecular weight 126.479 g/mol.

Is 2-Chloro-1,3,2-dioxaphospholane hazardous?

2-Chloro-1,3,2-dioxaphospholane 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. "2-Chloro-1,3,2-dioxaphospholane (CAS 822-39-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40296-1 (accessed 2026-10-22).

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