Synoyms : Tannic acid,Tannin,Galltannic acid
Mol.form and Mol.wt. : 1434~1701.18
Grade : FAO-WHO-35e;Q/OHX 06-1998.
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.
Storage : should be protected form light.
Uses : Pharmaceutical materials;Auxiliary agent of electronic industry;Clarifying agent of wine and drinks;Purification of biochemistry and rare metas;Purified chemical materials.
Packing : Export products in paperboard circular kegs of 25kg net each.