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Name: Tannic acid
CAS NO.: 1401-55-4
Alias:Chinese tannin; Gallotannic acid; Gallotannin; Galloylglucose; Glycerite; Penta NM digalloyl glucose; Quebracho; Tannic acid; Tannin; Tannins;
Molecular formular: C76H52O46
Molecular weight: 1701.22
Assay: 81% 88% 90% 92% 95%
Packing: 1kg / 25kg
Appearance: A yellowish to brownish powder,odour characteristic;taste strongly astringent.Soluble in 1 part of water or alcohol;soluble in acetone;almost insoluble in chloroform or ether.
Usage: Tannic acid can be used in many spheres ,cuch as medicine ,industry production ,food manufacturing and dye line . This product is widly use in smelting of germanium manufacture of "lro ink",metal corrosionresistance,slime treatment of petroleum drilling and raw material of pharmaceytical industry.
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