Tannic acid

Tannic acid
( 1401-55-4 | CLS-CHU-3367-1kg )

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CAS:1401-55-4
Molecular Formula:C76H52O46
Molecular Weight:1701.2

Product Detail

Product NameTannic acid
CategoriesAroma Chemicals,Biochemicals,Flavours and Fragrance Materials
CAS1401-55-4
Molecular FormulaC76H52O46
Molecular Weight1701.2
CLS CAT NumbersCLS-CHU-3367-1kg
Prepack Size1kg

Product Specification

AppearanceAmorphous light yellow to brown powder
Density0.50 – 0.45
ConclusionConforms to USP34
Heavy metals≤20ppm
IdentificationConforms to reference
pH3.0 – 4.0
Loss on Drying≤9.0%
SolubilityVery soluble in water, freely soluble in acetone and alcohol
Residue on Ignition≤1.0%
Content≥81% (Tannic acid content, dry basis)
Colour gardner≤5
Sulfated ash≤0.1%
Lead (Pb)≤5ppm
Arsenic (As)≤3ppm
Gallic Acid≤4.0%
Gums, Dextrin TestNo Turbidity
Resins TestNo Turbidity