Description Phenylphosphinic acid Quick Details Product Name: Phenylphosphinic acid CAS No.: 1779-48-2 Molecular formula: C6H7O2P Molecular weight: 142.09 Appearance: White powder or crystal Assay: 99.0% Phenylphosphinic acid Typical Properties Items Specifications Appearance Whitecrystal Purity ≥99.0% Chloride Content ≤200ppm Moisture content ≤0.5 Turbidity ≤5 Melting point ≥162 Phenylphosphinic acid Usage Used as dyes, pesticides, pharmaceutical intermediates. Phenylphosphinic acid Packaging and Shipping Package: 25kg/drum Shipping: 7-15 days after the receipt of your payment

Phenylphosphinic acid CAS 1779-48-2

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Chemical Name: Phenylphosphinic acid
CAS No.: 1779-48-2
Molecular Fomula: C6H7O2P
Molecular weight: 142.09
Appearance: White crystals

Phenylphosphinic acid CAS 1779-48-2

Basic Info of Phenylphosphinic acid

Chemical Name

Phenylphosphinic acid


Phosphonousacid,phenyl;phenyl phosphinic acid;phenyl-phosphinicaci;PHENYLPHOSPHONOUS ACID;phenyl-H-phosphinic acid;Expand



Molecular Formula


Molecular Weight






Safety Info



Hazard Class


Safety Statements


HS Code


Packing Group


WGK Germany



UN 3261

Risk Statements

R22; R34; R37/38; R41

Hazard Codes

C; Xn

Hazard Declaration

H302; H314


GHS05, GHS07

Signal Word


Caution Statement

P280; P305 + P351 + P338; P310


Appearance & Physical State

White crystals

Boiling Point


Melting Point


Flash Point


Water Solubility

7.7 g/100 mL (25 ºC)


Stable under normal temperatures and pressures.

Storage Condition

Store in a cool, dry place. Keep container closed when not in use. Corrosives area.

Vapor Pressure

0.001mmHg at 25°C

Numbering system
EINECS number217-217-3
BRN number2802244
MDL numberMFCD00002131
PubChem number24898369
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What is Phenylphosphinic acid?

     With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Phenylphosphinic acidwhich has developed particularly rapidly in recent years. Do you know about Hexadecanedioic acid?

The official answer: Phenylphosphonic acid is a chemical with the molecular formula C6H7O3P.

What’s the application of Phenylphosphinic acid?

Used as an additive for unsaturated polyester and polyurethane resin to make them flame retardant; added to nylon to improve polymerization; used as an extreme pressure agent to add to lubricants; used as a catalyst for esterification of carboxylic acids and alcohols; used to improve the flame retardant function when treating fibers; also used as a raw material for organic synthesis, etc.


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