Magnesium phosphide

磷化镁

Also known as: Trimagnesium diphosphide, Magnesium phosphide (Mg3P2), UN2011, EINECS 235-023-7, Fumi-Cel, Caswell No. 532B, Fosfuri di magnesio, Magnesiumfosfide, Phosphure de magnesium, trimagnesium,phosphorus(3-)

Magnesium phosphide (CAS 12057-74-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2Mg3P2 and a molecular weight of 136.87800 g/mol. It is also known as Trimagnesium diphosphide, Magnesium phosphide (Mg3P2) and UN2011. Key properties include a melting point of >750ºC, a boiling point of 56-57 °C10 mm Hg(lit.), a density of 0.985 g/mL at 25 °C(lit.) and a flash point of 135 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12057-74-8
Jingsj CID
J-1334318-3
Molecular Formula
H2Mg3P2
Chinese Name
磷化镁
Molecular Weight
136.87800 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>750ºC
Boiling Point56-57 °C10 mm Hg(lit.)
Density0.985 g/mL at 25 °C(lit.)
Flash Point135 °F

Frequently Asked Questions

What is the CAS number of Magnesium phosphide?

The CAS number of Magnesium phosphide is 12057-74-8.

What are the molecular formula and molecular weight of Magnesium phosphide?

Magnesium phosphide has molecular formula H2Mg3P2 and molecular weight 136.87800 g/mol.

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

Last updated:

How to cite: Jingsj. "Magnesium phosphide (CAS 12057-74-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334318-3 (accessed 2026-10-25).

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