1,2-Propadienylphosphonic dichloride

丙二烯膦酰氯

Also known as: PROPADIENYLPHOSPHONIC DICHLORIDE, Phosphonic dichloride, 1,2-propadienyl-, Phosphonic dichloride, P-1,2-propadien-1-yl-, 1,2-Propadienylphosphonic dichloride, 1,2-propadienyl phosphonic chloride, 1-dichlorophosphorylpropa-1,2-diene, allenylphosphonic dichloride, allenylphosphonyl dichloride, propadienylphosphonic acid dichloride

1,2-Propadienylphosphonic dichloride (CAS 17166-36-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H3Cl2OP and a molecular weight of 156.93500 g/mol. It is also known as PROPADIENYLPHOSPHONIC DICHLORIDE, Phosphonic dichloride, 1,2-propadienyl- and Phosphonic dichloride, P-1,2-propadien-1-yl-. Key properties include a boiling point of 203.6ºC at 760mmHg, a density of 1.321g/cm3 and a flash point of 76.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17166-36-8
Jingsj CID
J-1502882-6
Molecular Formula
C3H3Cl2OP
Chinese Name
丙二烯膦酰氯
Molecular Weight
156.93500 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point203.6ºC at 760mmHg
Density1.321g/cm3
Flash Point76.9ºC

Frequently Asked Questions

What is the CAS number of 1,2-Propadienylphosphonic dichloride?

The CAS number of 1,2-Propadienylphosphonic dichloride is 17166-36-8.

What are the molecular formula and molecular weight of 1,2-Propadienylphosphonic dichloride?

1,2-Propadienylphosphonic dichloride has molecular formula C3H3Cl2OP and molecular weight 156.93500 g/mol.

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

Last updated:

How to cite: Jingsj. "1,2-Propadienylphosphonic dichloride (CAS 17166-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502882-6 (accessed 2026-10-25).

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