TANIC ACID

 In About Chemicals

ALTERNATIVES NAMES: Tannic acid also called Glutanic acid .

CHARACTERISTICS:

  • Shining light yellow powder.
  • It changes its color to black when kept in air.
  • It is an odorless compound with mouth drying taste.
  • Loses its form at 210 OC

SOLUBILITY:

  • It is soluble in water, acetone and alcohol
  • In soluble in chloroform, benzene and ether

CAUTION:

  • It catches fire easily
  • It is a poisonous compound that causes cancer
  • Flash point 526 OC

SOURCE:

  • It is obtained from nutgalls

Grades

  • Technical, NF, FCC

Tannic acid uses

  • Textile industry, paper making ink making, electroplating and pharmaceutical industry

 

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