4,4'-(1,2-Diazenediyl)bis[phenol]
[CAS 2050-16-0]

Identification

• Name: 4,4'-(1,2-Diazenediyl)bis[phenol]
• Synonyms: 4,4'-Azobisphenol; 4,4'-Azodiphenol; 4,4'-Dihydroxyazobenzene; 4-((4-Hydroxyphenyl)diazenyl)benzoitrile; 4-(4-Hydroxyphenylazo)phenol; NSC 402595; p,p'-Dihydroxyazobenzene; p-Azophenol
• Molecular Formula: C₁₂H₁₀N₂O₂
• Molecular Weight: 214.22
• CAS Registry Number: 2050-16-0
• EC Number: 622-644-7

Properties

• Solubility: Very slightly soluble (0.11 g/L) (25 °C), Calc.^*
• Density: 1.24±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 218-219 °C (ethanol hexane )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Kidowaki, Masatoshi

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Respiratory sensitization	Resp. Sens.	1	H334
Skin irritation	Skin Irrit.	2	H315