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| Tannic Acid |
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| Tannic acid, tannin,Chinese gallnut tannic acid,chinese Tannin |
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| 1401-55-4 |
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| It is clarifying agent of beer and low grape wine,also used in pineapple proteinase |
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Tannic Acid (Food grade .Technical grade .Pharma-grade)
Synonyms:Tannic acid, tannin,Chinese gallnut tannic acid,chinese Tannin
sources :root of Chinese gallnuts
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
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