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| Chinese 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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Main use:
1.Mainly used in tanning agent in leather-making industry, which can make the leather soft in quality and color.
2.Anti-scaling agent in medium, small-scale boiler.
3.Treating compound for drilling fluid.
4.Ore flotation agent
5.Adhesive and accelerator for building board.
6. Used in metal preservative, antirusting agent. 7.Used in waste water treatment and drug industry etc..
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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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| 제품관련분야 |
첨가제, 식품,향료, 의약,중간체 |
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