Synonyms:Tannic acid, tannin,Chinese gallnut tannic acid
CAS :..." />
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Tannic Acid (Food grade .Technical grade .Pharma-grade)
Product: Views:121Tannic Acid (Food grade .Technical grade .Pharma-grade) 
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Valid until: Long-term effective
Last updated: 2017-11-11 14:48
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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:
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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