Chemical Auxiliaries
Sodium Nitrite
- Sodium Nitrite
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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.
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