Sodium Nitrite
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 |
Packaging: inside lining is PE film bag and outside is PP knitting bag, 25kg/bag,50 kg/bag.