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Sodium nitrite
Molecular Formula: NaNO2olecular Weight: 69.00
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）
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Indexes
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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.
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