Bis(dichlorophosphino)methane

双(二氯膦基)甲烷

Also known as: Methylenebis(dichlorophosphine), Methylenebis(phosphonous dichloride), dichloro(dichlorophosphanylmethyl)phosphane, AURORA KA-1273, MFCD01073767

Bis(dichlorophosphino)methane (CAS 28240-68-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH2Cl4P2 and a molecular weight of 217.78600 g/mol. It is also known as Methylenebis(dichlorophosphine), Methylenebis(phosphonous dichloride) and dichloro(dichlorophosphanylmethyl)phosphane. Key properties include a boiling point of 101ºC, a density of 1.601 g/mL at 25ºC(lit.) and a flash point of 205 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 28240-68-8
Jingsj CID: J-14301-9
Molecular Formula: CH₂Cl₄P₂
Chinese Name: 双(二氯膦基)甲烷
Molecular Weight: 217.78600 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	101ºC
Density	1.601 g/mL at 25ºC(lit.)
Flash Point	205 °F

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(dichlorophosphino)methane?

The CAS number of Bis(dichlorophosphino)methane is 28240-68-8.

What are the molecular formula and molecular weight of Bis(dichlorophosphino)methane?

Bis(dichlorophosphino)methane has molecular formula CH2Cl4P2 and molecular weight 217.78600 g/mol.

Is Bis(dichlorophosphino)methane hazardous?

Bis(dichlorophosphino)methane 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. "Bis(dichlorophosphino)methane (CAS 28240-68-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14301-9 (accessed 2026-10-23).

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