CAS：

106-51-4

Molecular formula: 

C6H4O2

Molecular weight:

108.0948

Applications::

Mainly used in the polymerization inhibiting or as dyes or pharmaceutical 

intermediate.

Specification:

Items

Specifications

Appearance

Yellow crystal powder

Purity

≥99.0%

Melting point

112.0-116.0℃

Residue on ignition

≤0.05%

Loss on drying

≤0.5%

Insoluble matter

≤0.4%