Tannic Acid (Food grade .Technical grade .Pharma-grade)_Healthcare Supplement_Health Care Products_Health & Medical_Products

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:

No.	Index name/Kind	Industrial tannic acid
1	Tannin min	81
2	Insoluble substance max	0.6
3	Loss on drying max	9
4	Total colors max	2

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