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

TANNIC ACID ACS

Synonyms:				Gallotannin, Tannin

CAS No:					1401-55-4

Formula:					C76H52O46

F.W.:						1701.20

Description:					Buff to Light tan powder

Identification A,B:				To pass Test

Assay						~ 90%

Loss on drying at 				<12.0% maximum
105 Deg. C for 2 hours:			

Residue after Ignition:			<0.5% maximum

Heavy metals (as Pb):			<0.003% maximum

Zinc (Zn):					<0.005% maximum		

Arsenic (As)					<3 ppm

Sugars or dextrin test:			To pass test

Resinous substances			No turbidity produced

Effective: 12/02/13