Synonyms : 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 requirement of the 1993th edition of B.P,U.S.P 24 standards.
Action and Use : the medical tannin for is anti-bacterial,anti-enzymatic and astringent functions,It is used as an ingredient for antibiotics,guitinea drugs,detoxicants and antidysenterics and a symerist for synhetic sulphanilamide.
Storage : Tannic acid should be kept in a well-closed container,potected form light.
Packing : Export products in paperboard circular kegs of 25 Kg net each.
Licence : Zhe Jiang medicine licence(1996)no.189001.

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