PHENYLPHOSPHINIC ACID

PRODUCT IDENTIFICATION

CAS NO 1779-48-2

PHENYLPHOSPHINIC ACID

EINECS 217-217-3
FORMULA C6H7O2P
MOL WT. 142.09

H.S. CODE

 

TOXICITY

Oral rat LD50: 1345 mg/kg
SYNONYMS

Benzene Phosphinic Acid; Phenylphosphonous acid;

Phenylphosphinsäure (Dutch); ácido fenilfosfínico (Spanish); Acide phénylphosphinique (French); Hydroxyphenylphosphine oxide;
SMILES  

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

White crystals

MELTING POINT 83 - 84 C
BOILING POINT 180 C (Decomposes)
SPECIFIC GRAVITY  
SOLUBILITY IN WATER 7 - 8 g/100ml  (Soluble in alcohol and ketones)
pH  
VAPOR DENSITY 6.72
NFPA RATINGS Health: 3; Flammability: 0; Reactivity: 0

AUTOIGNITION

 

REFRACTIVE INDEX

 

FLASH POINT 204 C
STABILITY Stable under ordinary conditions.

APPLICATIONS

Phenylphosphinic acid is a promoter of free radicals and organic peroxide catalysts in polymerization process. It is utilized as a general antioxidant and a color, light and heat stabilizer for polymers especially polyamides. It is an intermediate to form non-ferrous metals used as polymer stabilizers. Phenylphosphinic acid is a powerful reducing agent reacting rapidly with oxidizing agents.
SALES SPECIFICATION

APPEARANCE

White crystals

ASSAY

98.5% min

MELTING POINT

83 - 84 C

TRANSPORTATION
PACKING 25Kgs in bag
HAZARD CLASS 8 (Packing Group: III)
UN NO. 3261
OTHER INFORMATION
Hazard Symbols: C, Risk Phrases: 34, Safety Phrases: 25-36/37/39-45