Product Name

: SODIUM CHLORIDE

C.A.S. No.

: 7647-14-5

Molecular Formula

: NaCl

Molecular Weight

: 58.44 g/mol

SPECIFICATION

IP

BP

USP

Description

White or colorless crystals or a white crystalline powder.

White or almost white , crystalline powder , colorless crystals or white or almost white pearls.

White or almost white , crystalline powder , colorless crystals or white or almost white pearls.

Solubility

-

Freely soluble in water , practically insoluble in anhydrous ethanol.

-

Identification

1. Reaction

2. Reaction

A : It gives reaction of Sodium

B : It gives reaction of Chloride.

A : It gives reaction of Sodium

B: It gives reaction of Chloride.

A : It gives reaction of Sodium

B: It gives reaction of Chloride.

Chlorides

-

-

The precipitate dissolves easily with the possible exception of a few large particles, which dissolve more slowly.

Appearance of solution

20% w/v solution in carbon dioxide free water prepared from distilled water is clear and colorless

20 % solution is clear and colorless

20 % solution is clear and colorless

Acidity or Alkalinity

NMT 0.5ml of 0.01 M hydrochloric acid or of 0.01 M sodium hydroxide is required to change the color of the solution.

NMT 0.5 ml of 0.01 M hydrochloric acid required to change the color of indicator.

NMT 0.5ml of 0.01 M hydrochloric acid or of 0.01 M sodium hydroxide is required to change the color of the solution.

Aluminium

-

NMT 0.2 ppm.

NMT0.2 ppm.

Arsenic

NMT 1 ppm.

NMT 1 ppm.

NMT 1 ppm.

Barium

No turbidity is produced within 2 hours.

After 2 h, any opalescence in the solution is not more intense than that in a mixture of 5 ml of 20 % solution s and 7 ml of distilled water.

After 2 h, any opalescence in the solution is not more intense than that in a mixture of 5 ml of 20 % and 7 ml of distilled water.

Bromides

NMT 100 ppm

NMT 100 ppm.

NMT 100 ppm.

Calcium &

Magnesium & alkaline earth metals(BP & USP)

NMT 50 ppm

NMT 100 ppm.

NMT 100 ppm.

Ferrocyanide

No blue color is produced within 10 minutes.

No blue color develops within 10 minutes.

No blue color develops in 10 minutes.

Heavy metals

NMT 5 ppm

-

NMT 5 ppm

Iodide

The substance shows no blue color after 5 min.

The mixture shows no blue color.

No blue color is observed.

Nitrites

-

The absorption is not greater than 0.01 at 354 nm.

The absorption is not greater than 0.01 at 354 nm.