Testing Status of Tannic acid M990013
- Gallotannic acid
Mordant in dyeing; manufacture of ink; sizing paper and silk; printing fabrics; with gelatin and albumin for manuf of imitation horn and tortoise shell; tanning; clarifying beer or wine; in photography; as coagulant in rubber manufacturing; manufacture of gallic acid and pyrogallol; as reagent in analytical chemistry for pH control. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.
- Weakly Positive