1,1-Diphenyl-2-picrylhydrazyl
[CAS# 1898-66-4]

Identification

• Classification: Chemical reagent >> Organic reagent >> Hydrazine
• Name: 1,1-Diphenyl-2-picrylhydrazyl
• Synonyms: 2,2-Diphenylpicrylhydrazyl; 1,1-Diphenyl-2-picrylhydrazyl radical; 2,2-Diphenyl-1-picrylhydrazyl
• Molecular Formula: C₁₈H₁₂N₅O₆
• Molecular Weight: 394.32
• CAS Registry Number: 1898-66-4
• EC Number: 217-591-8

Properties

• Melting point: 127-129 ºC

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Respiratory sensitization	Resp. Sens.	1	H334
Skin sensitization	Skin Sens.	1	H317
Carcinogenicity	Carc.	1A	H350
Self-reactive substances or mixtures	Self-react.	D	H242
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Germ cell mutagenicity	Muta.	2	H341
Specific target organ toxicity - single exposure	STOT SE	1	H370
Reproductive toxicity	Repr.	2	H361