2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane

2-氯-5,5-二甲基-1,3,2-二氧磷杂环己烷

Also known as: 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphinane, Neopentylene phosphorochloridite, 2,2-Dimethyltrimethylene phosphorochloridite, Cyclic 2,2-dimethyltrimethylene phosphorochloridite, 1,3,2-Dioxaphosphorinane, 2-chloro-5,5-dimethyl-, 5,5-Dimethyl-2-chloro-1,3,2-dioxaphosphorinane

2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane (CAS 2428-06-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C4H8ClO2P and a molecular weight of 154.53200 g/mol. It is also known as 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphinane, Neopentylene phosphorochloridite and 2,2-Dimethyltrimethylene phosphorochloridite. Key properties include a boiling point of 164.8ºC at 760mmHg and a flash point of 53.5ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2428-06-0
Jingsj CID: J-41192-7
Molecular Formula: C₄H₈ClO₂P
Chinese Name: 2-氯-5,5-二甲基-1,3,2-二氧磷杂环己烷
Molecular Weight: 154.53200 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	164.8ºC at 760mmHg
Flash Point	53.5ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane?

The CAS number of 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane is 2428-06-0.

What are the molecular formula and molecular weight of 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane?

2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane has molecular formula C4H8ClO2P and molecular weight 154.53200 g/mol.

Is 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane hazardous?

2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane (CAS 2428-06-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41192-7 (accessed 2026-10-23).

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