(4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide

(4R,5R)-2-氯-4,5-二甲基-1,3,2-二氧磷杂环戊烷 2-氧化物

Also known as: (4R,5R)-(+)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide, 2-chloro-4,5-dimethyl-1,3,2λ5-dioxaphospholane 2-oxide, 1,3,2-Dioxaphospholane, 2-chloro-4,5-dimethyl-, 2-oxide, (4R,5R)-, 1,3,2-Dioxaphospholane, 2-chloro-4,5-dimethyl-, 2-oxide, [4R-(2α,4α,5β)]- (9CI)

(4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide (CAS 89104-48-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8ClO3P and a molecular weight of 170.53100 g/mol. It is also known as (4R,5R)-(+)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide, 2-chloro-4,5-dimethyl-1,3,2λ5-dioxaphospholane 2-oxide and 1,3,2-Dioxaphospholane, 2-chloro-4,5-dimethyl-, 2-oxide, (4R,5R)-. Key properties include a density of 1.300 g/mL at 20ºC(lit.) and a flash point of 56ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
89104-48-3
Jingsj CID
J-1523647-8
Molecular Formula
C4H8ClO3P
Chinese Name
(4R,5R)-2-氯-4,5-二甲基-1,3,2-二氧磷杂环戊烷 2-氧化物
Molecular Weight
170.53100 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Density1.300 g/mL at 20ºC(lit.)
Flash Point56ºC

Frequently Asked Questions

What is the CAS number of (4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide?

The CAS number of (4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide is 89104-48-3.

What are the molecular formula and molecular weight of (4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide?

(4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide has molecular formula C4H8ClO3P and molecular weight 170.53100 g/mol.

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

Last updated:

How to cite: Jingsj. "(4R,5R)-2-chloro-4,5-dimethyl-1,3,2-dioxaphospholane 2-oxide (CAS 89104-48-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523647-8 (accessed 2026-10-26).

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