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Tannic Acid (Food grade .Technical grade .Pharma-grade) Synonyms:Tannic acid, tannin,Chinese gallnut tannic acid
CAS : 1401-55-4
Molecular weight :1434~1701.18
Property:It is faint yellow to brown powder with special smell, astringent. Dissolves in 1 portion water or ethyl alcohol, dissolves in acetone, does not dissolve in the chloroform or ether.
Appearance:Faint yellow powder
Tannic acid(dry base) 92%min
Residue on Ignition 0.20% max
Arsenic 3ppm
Heavy metals 20ppm max
Gallic acid content 7% max
Total color 2 max
Main technical index:
Use:It is clarifying agent of beer and low grape wine,also used in pineapple proteinase.
Packing:Put in plastic bottle, 500k/bot. Paperboard packing for export, 25kg/drum |