TANIC ACID

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