Diphenyl phosphonate
[CAS# 4712-55-4]

Identification

• Classification: Organic raw materials >> Inorganic acid ester
• Name: Diphenyl phosphonate
• Synonyms: Diphenoxyphosphine oxide; Diphenyl hydrogen phosphite; Diphenyl phosphite; Phosphonic acid diphenyl ester
• Molecular Formula: C₁₂H₁₁O₃P
• Molecular Weight: 234.19
• CAS Registry Number: 4712-55-4
• EC Number: 225-202-8

Properties

• Melting point: 191-192 ºC

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin sensitization	Skin Sens.	1	H317
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1C	H314
Skin corrosion	Skin Corr.	1A	H314
Specific target organ toxicity - single exposure	STOT SE	1	H370
Germ cell mutagenicity	Muta.	2	H341
Reproductive toxicity	Repr.	1B	H360
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin sensitization	Skin Sens.	1A	H317
Germ cell mutagenicity	Muta.	1B	H340