Tannic Acid

CAS#: 1401-55-4

Synonyms: tannin; gallotannic acid; digallic acid; gallotannin; chinese tannin

Uses: Chemicals (tannates, galic acid, pyrogallic acid, hydrosols of the noble metals); alcohol denaturant; tanning; textiles (mordant and fixative); electroplating; galvanoplastics (gelatin precipitant); clarification agent in wine manufacture, brewing and foods, writing inks; pharmaceuticals; deodorization of crude oil; photography; paper (sizing, mordant for  colored papers); treatment of minor burns.

Hazard: Inhalation causes irritation of nose and throat, coughing, and sneezing.  Ingestion may cause gastric disturbance.  Contact with eyes causes irritation.