S P E C I F I C A T I O N S

GALLIC ACID ANHYDROUS ACS

Synonyms:				3,4,5-Trihydroxyloenzoic acid

CAS No:				149-91-7

Chemical Formula:			C6H2(OH)3COOH

Formula Weight:			170.12

Description:				White crystalline powder

Assay:					98 % minimum

Insoluble matter:			0.01 % maximum

Loss on drying @105°C:		0.5% maximum

Residue after ignition:		0.05 % maximum 

Sulfate  (SO4):			0.02 % maximum

Solubility:				Clear to very slightly hazy yellow solution
(50 mg/ml in Ethanol)

Effective: 01/14/09