National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-m990013

Testing Status of Tannic acid - M990013

 

CASRN: 1401-55-4

Synonyms/Common Names

  • Gallotannic acid
  • Galloylglucose
  • Tannin

Known Uses

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.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A00874)  Completed 
    •  Weakly Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.