CERTIFICATE OF ANALYSIS

Product Name	TANNIC ACID AR/ACS	CAS Number	1401-55-4
Molecular Formula	C 76 H 52 O 46	Catalogue No.	AL4434
Molecular Weight	1701.22	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Heavy metals (as Pb) Arsenic (As) Loss on drying at 105°C Sulphated ash Reaction of aqueous solution Dextrin, gum, salts, sugars Resinous substance	Light brown powder <0.003% <0.0003% <9.0% <0.1% Passes test Passes test Passes test	Light brown powder <0.003% <0.0003% 7.6% <0.1% Passes test Passes test Passes test

Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane