Dibutylchlorophosphine

二丁基氯化膦

Also known as: Dibutylphosphinous chloride, Chlorodibutylphosphine, NSC 203027, Phosphinous chloride, P,P-dibutyl-, dibutyl(chloro)phosphane, chlorodibutylphosphane, dibutyl-chloro-phosphane, dibutyl-chlor-phosphin

Dibutylchlorophosphine (CAS 4323-64-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H18ClP and a molecular weight of 180.65500 g/mol. It is also known as Dibutylphosphinous chloride, Chlorodibutylphosphine and NSC 203027. Key properties include a boiling point of 198.5ºC at 760 mmHg and a flash point of 73.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4323-64-2
Jingsj CID
J-1513130-4
Molecular Formula
C8H18ClP
Chinese Name
二丁基氯化膦
Molecular Weight
180.65500 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point198.5ºC at 760 mmHg
Flash Point73.9ºC

Frequently Asked Questions

What is the CAS number of Dibutylchlorophosphine?

The CAS number of Dibutylchlorophosphine is 4323-64-2.

What are the molecular formula and molecular weight of Dibutylchlorophosphine?

Dibutylchlorophosphine has molecular formula C8H18ClP and molecular weight 180.65500 g/mol.

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

Last updated:

How to cite: Jingsj. "Dibutylchlorophosphine (CAS 4323-64-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513130-4 (accessed 2026-10-25).

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