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2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane

2-氯-4,4,5,5-四甲基-1,3,2-二噁磷杂戊环

Also known as: 1,3,2-Dioxaphospholane, 2-chloro-4,4,5,5-tetramethyl-, 2-Chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane, Pinacol chlorophosphite, Tetramethylethylene chlorophosphite, MFCD00274239

2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane (CAS 14812-59-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H12ClO2P and a molecular weight of 182.58500 g/mol. It is also known as 1,3,2-Dioxaphospholane, 2-chloro-4,4,5,5-tetramethyl-, 2-Chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane and Pinacol chlorophosphite. Key properties include a boiling point of 81.5-82ºC13 mm Hg(lit.), a density of 1.149 g/mL at 25ºC(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14812-59-0
Jingsj CID
J-144-9
Molecular Formula
C6H12ClO2P
Chinese Name
2-氯-4,4,5,5-四甲基-1,3,2-二噁磷杂戊环
Molecular Weight
182.58500 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point81.5-82ºC13 mm Hg(lit.)
Density1.149 g/mL at 25ºC(lit.)
Flash Point>230 °F

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane?

The CAS number of 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane is 14812-59-0.

What are the molecular formula and molecular weight of 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane?

2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane has molecular formula C6H12ClO2P and molecular weight 182.58500 g/mol.

Is 2-chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane hazardous?

2-chloro-4,4,5,5-tetramethyl-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-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane (CAS 14812-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-144-9 (accessed 2026-10-23).

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