Product Name:Tannic acid
Other names: Tannin; Chinese gall tannic acid.
Content:81%Min. 90%Min. 93%-98%.
Molecular Formula:C76H52O46
Molecular weight:1701.18
Character:Pale yellow or light brown powder,oxidation and color deepening while exposed to air, odorless, astingent taste.
Application:
Widely used in extraction of germanium,ferric acid ink manufacturing,mental rust removing and oil drilling mud treatment agent.
It can be used in producing Gallic Acid and Pyrogallol,also used in producing leather tanning agent,mordant, rubber coagulant, protein agent, alkaloid precipitator.
Pharmaceutical Grade Tannic Acid has function of antibacterial,dezymotize and convergence. Can be used in antibiotics,ringworm treatment, detoxification, diarrhea and other pharmaceutical preparations,also used in the synthesis of sulfanilamide synergistic agent;
Used in cosmetics, food antioxidants,clarifiers for low concentration alcohol,oil antioxidants, and pineapple proteinase food processing.