Disodium Edetate

Product Name

: DISODIUM EDETATE

C.A.S. No.

: 6381-92-6

Molecular Formula

: C₁₀H₁₄N₂Na₂O₈2H₂O

Molecular Weight

: 372.24 g/ mol

SPECIFICATION

IP

BP

Description

A white ,crystalline powder, Odourless

White or almost white, crystalline powder.

Solubility

-

Soluble in water, practically insoluble in ethanol (96 %)

Identification

• IR
• Reaction
• Reaction
• Reaction

• Must comply with the disodium edetate RS
• No precipitate is produced.
• No precipitate is produced.
• It gives reaction of sodium salt.

• Must comply with the disodium edetate RS
• No precipitate is produced.
• No precipitate is produced.
• It gives reaction of sodium salt.

Appearance of solution

5 % w/v solution in carbon dioxide free water is Clear & colorless

Clear & colorless

pH

4.0-5.5 ( 5 % w/v solution )

4.0-5.5 ( 5 % w/v solution )

Loss on Drying

-

-

Calcium

-

-

Impurity A Limit of nitrilotriacetic acid(USP)

NMT 0.1 %

NMT 0.1 %

Heavy metals

NMT 20 ppm

-

Iron

NMT 80 ppm

NMT 80 ppm

Assay

98.5 %-101.0 %

98.5 %-101.0 %