Dimethylphosphinic acid

二甲基膦酸

Also known as: Phosphinic acid, dimethyl-, Phosphinic acid, P,P-dimethyl-, Hydroxydimethylphosphine oxide, Dimethylphosphinic acid (6CI,7CI,8CI,9CI)

CAS No.
3283-12-3
Jingsj CID
J-44128-9
Molecular Formula
C2H7O2P
Chinese Name
二甲基膦酸
Molecular Weight
94.049 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85-89ºC(lit.)
Boiling Point277.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point137.7±19.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Dimethylphosphinic acid?

3283-12-3

What are the molecular formula and molecular weight of Dimethylphosphinic acid?

C2H7O2P, molecular weight 94.049 g/mol

Is Dimethylphosphinic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026