Chemical Auxiliaries

Sodium Nitrite

Sodium Nitrite
INQUIRY

Sodium Nitrite

Molecular Formula: NaNO₂

Molecular Weight: 69.00

CAS No.:7632-00-0
Physicochemical Properties: white or slight yellow crystal. Specific Density: 2.168（20°C）. It is easily soluble in water and aqueous ammonia ; while it is slightly dissolved in methanol, alcohol, and solvent ether. In addition, it shows strong hydroscopic property.

Applications and Usages: it is mostly used in manufacturing nitro-compound, azo dyestuff, dye mordant in textile coloration, bleaching agent, metal heat treatment auxiliary agent, and in pharmaceutical industry.

Product Specification:（GB2367-90）

Indexes	Superior quality grade	First Class Grade	Qualified grade
Sodium nitrite（based on dried basis），% ≥	99.0	98.5	98.0
Sodium nitrate（based on dried basis），% ≤	0.80	1.00	1.90
Chloride （based on dried basis），% ≤	0.10	0.17	---
Water content，% ≤	1.4	2.0	2.5
Water insoluble（based on dried basis），% ≤	0.05	0.06	0.10