Product Name

: SODIUM NITRITE

C.A.S. No.

: 7632-00-0

Molecular Formula

: NaNO₂

Molecular Weight

: 69.00 g/mol

SPECIFICATION

IP

BP

USP

Description

Colorless crystals or mass or yellowish rods ,hygroscopic

Colorless crystals or mass or yellowish rods ,hygroscopic

Colorless crystals or mass or yellowish rods ,hygroscopic

Solubility

-

Freely soluble in water and soluble in ethanol (96 %).

-

Identification

1. Color

2. Color

3. Reaction

A : It gives reaction of Sodium

B : It gives reaction of Nitrite

A : An intense red color developed

B : An intense green color developed

C : It gives reaction of Sodium

A : It gives reaction of Sodium

B : It gives reaction of Nitrite

Appearance of solution

-

Solution S is clear and not more intensely colored than reference solution B6

-

Acidity & Alkalinity

-

The solution is red add 0.3 ml of 0.01M HCL , the solution is yellow

-

Chloride

-

NMT 50 ppm

-

Sulphate

-

NMT 200 ppm

-

Heavy metals

NMT 20 ppm

-

NMT 20 ppm

Residual solvents

-

-

Meets the requirement

LOD

NMT 0.25 %

NMT 1.0%

NMT 0.25 %

Assay (on dry basis)

97.0 % - 101.0 %

98.5 % - 100.5%

97.0 % - 101.0 %