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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 |
| Density: | 2.17 G/cm³ | Melting Point: | 271 ℃ |
NaNO2 Sodium Nitrite CAS 7632-00-0 White Powder for Printing and Dyeing Industry
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.
Sodium nitrite is an industrial salt that is very similar to table salt, sodium chloride, but is not edible.
| Item | Best quality | First quality | Qualified quality |
| Content of Sodium nitrite (calculated by dry base ) % ≥ | 99 | 98.5 | 98 |
| Content of Sodium nitrite (calculated by dry base ) % ≤ | 0.8 | 1 | 1.9 |
| Content of Sodium chloride (NaCl) (calculated by the dry base ) %≤ | 0.1 | 0.17 | - |
| Content of insoluble in water (calculated by the dry base )% ≤ | 0.05 | 0.06 | 0.1 |
| Moisture % ≤ | 1.4 | 2 | 2.5 |
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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