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Product Details:
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| Chemical Formula: | NaNO₂ | Molecular Weight: | 68.995 |
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| CAS NO: | 7632-00-0 | EINECS NO: | 231-555-9 |
| Melting Point: | 271 ℃ | Boiling Point: | 320 ℃ (decomposition) |
| Water Solubility: | 82 G/100 ML (20 °C) | Density: | 2.17 G/cm³ |
NaNO2 Industrial Grade Sodium Nitrite CAS No.7632-00-0
Sodium nitrite (NaNO2) is often used for dyeing and preserving foods such as fish and meat. Pure sodium nitrite is a white to light yellow crystal. It has very good water solubility and hygroscopicity. The aqueous solution is weakly alkaline, with a pH of about 9, easily soluble in liquid ammonia, and slightly soluble in organic solvents such as ethanol, methanol. Sodium nitrite has a salty taste and is used to make fake table salt. In the air, sodium nitrite is slowly oxidized to sodium nitrate (NaNO3), which is a strong oxidant. Sodium nitrite is easy to explode in contact with organic matter.
| Item | Value | ||
| Sodium nitrite (NaNO2) (calculated on a dry basis), ω/% | 99 | 98.5 | 98 |
| Sodium nitrate (on dry basis), ω/% | 0.8 | 1.3 | - |
| Chloride (As NaCl),ω/% | 0.1 | 0.17 | - |
| Water insoluble matter,ω/% | 0.05 | 0.06 | 0.1 |
| Water content,ω/% | 1.4 | 2 | 2.5 |
| Looseness (in terms of non caking),ω/% | 85 | ||
1. Production of diazonium dyes, nitroso compounds and other organic compounds.
2. Dyeing and bleaching of fiber textiles.
3. Take pictures.
4. As an anti-corrosion agent in the laboratory.
5. As an additive in metal coating.
6. Production of rubber.
7. Its 10% aqueous solution is also used for electroplating.
8. Sodium nitrite is also used in vasodilators and bronchodilators of humans or animals, and can even be used to detoxify cyanide.
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