Tannic Acid AR 500Gram

PRODUCT CODE 655565
SYNONYMS (Gallotannic acid AR)
C.I. NO. --
CASR NO. (1401-55-4)
ATOMIC OR MOLECULAR FORMULA C76H52O46
ATOMIC OR MOLECULAR WEIGHT
1701.23
PROPERTIES Lustrous, spongy mass, darkens on exposure
to air, odourless and combustible.

PARAMETER LIMIT
Description Faintly yellowish to light brown amorphous powder, darkens on exposure to air.
Solubility Soluble in water forming little hazy solution.
Identification Passes test.

MAXIMUM LIMIT OF IMPURITIES
Loss on drying (at 105°C) 9.0%
Sulphated Ash 0.1%
Heavy metals (as Pb) 0.003%
Gum, Salt Passes test.
Sugars, Dextrin Passes test.
Zinc (Zn) 0.005%