Synonms : Tannic acid,Tannin,Gallotannic acid
Mol.form and Mol.wt : C₇₆H₅₂O₄₆ ;1701.18
Description : 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.
Specification :  Meeting the requiremenet of state standard GB5038-85
Uses : 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.
Storage : Tannic acid should be kept in a well-closed container.
Packing : A net weight of 25kg packed in woven plastic bags

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