Tetra Sodium Edetate


Description

Tetra Sodium Edetate is used as a chelating agent in the Detergent & the Cosmetic Industries.

Applications and Effects

It is used in the cosmetic industries to help in enhancing the effect of the cosmetics by about 30%.

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Specifications

TESTS SPECIFICATIONS

Description

A white, crystalline powder; odourless

Solubility

Soluble in water; sparingly soluble in ethanol (95%),
Practically insoluble in chloroform and in ether.

Identification

(A)No precipitate is produced.

 

(B)No precipitate is produced.

 

(C)Gives the reactions of sodium salts
      (A)A dense, white precipitate is formed.
      (B)A yellow, crystalline precipitate is formed

Appearance of solution

5.0 per cent w/v solution in carbon dioxide-free water is clear and colourless.

pH

10.5 to 11.5 determined in 5.0 per cent w/v solution.

Loss on drying

Not more than 15.0%

Heavy Metals

Not more than 20 ppm

Iron

Not more than 80 ppm

Assay

98.5 % to 101.0 %