4-(Phenyldiazenyl)phenol

4-苯偶氮基苯酚

Also known as: p-Hydroxyazobenzene, 4-Hydroxyazobenzene, p-(Phenylazo)phenol, 4-(Phenylazo)phenol, Solvent Yellow 7, C.I. 11800, 4-Benzenazophenol, Phenol, 4-(phenylazo)-, Azobenzene, 4-hydroxy-

CAS No.
1689-82-3
Jingsj CID
J-10719-8
Molecular Formula
C12H10N2O
Chinese Name
4-苯偶氮基苯酚
Molecular Weight
198.221 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150-152 °C(lit.)
Boiling Point369.8±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point233.6±12.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(Phenyldiazenyl)phenol?

1689-82-3

What are the molecular formula and molecular weight of 4-(Phenyldiazenyl)phenol?

C12H10N2O, molecular weight 198.221 g/mol

Is 4-(Phenyldiazenyl)phenol hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026