Name

4-Amino-2-hydroxy-benzoic acid

Cas

65-49-6

MF

C₇H₇NO₃

MW

153.14

Appearance

Almost white or slightly yellow crystalline powder

Moisture

0.5%max

pH

3.0-3.7

Heavy metals

30ppm max

m-Aminophenol

0.25%max

Chloride

0.042%max

Residue on ignition

0.2%max

Assay

99.0%min