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China Yangtze Pchem Co Limited

 

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Tannic Acid  [2012/12/26]
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Tannic Acid (Food grade .Technical grade .Pharma-grade)

 
Synonyms:Tannic acid, tannin,Chinese gallnut tannic acid,chinese Tannin
sources :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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[ Contact Info ]
icon Company China Yangtze Pchem Co Limited
icon Address
icon Phone 86-717-6307-579
icon Fax 86-717-6307-522
icon Homepage http://www.pchemchina.cn
icon Contact zhongguo chen /