Product Name: GALLA CHINENSIS EXTRACT Synonyms:Tannic acid Molecular formula:C76H52O46 CAS:1401-55-4

Synonyms:Tannic acid

CAS No: 1401-55-4Molecular formula:C76H52O46

Molecular Weight: 1701.22

Chemical Structure: Physicochemical Properties:It is faint yellow or brown non-stereotypia powder, deep when exposure to the air, odourlessness, astringency. Dissolves in the water, ethyl alcohol, acetone and ethyl acetate. Technical index:Appearance :Faint yellow or brown non-stereotypia powder            Content:>81.0%            Water:<9.0%            Water insoluble substance:<0.6%            Total color:<2.0 Use: It is raw material of preparing medical gallic acid, burnt gallic acid, sulfonamides. Preparing Gallic acid and burnt Gallic acid in chemical production, mud finishing agent in oil industry, in addition, used in producing leather tanning agent, mordant, rubber peptizer, protein medicinal preparation, alkaloid precipitating agent, dressing inhibitor, wines clarifying agent, germanium extraction and blue-black ink and so on. Packing:25kg/bag,25kg/drum

GALLA CHINENSIS EXTRACT