Sodium nitrite (NaNO2) is easily soluble water and liquid ammonia, slightly soluble in ethyl alcohol, methyl alcohol, ether and other organic solvents.
| Alias | Sodium nitrite,food grade |
|---|---|
| English name | Sodium nitrite |
| Molecular formula | NNaO2 |
| Molecular weight | 68.9953 |
| Relative density (water=1) | 2.17 |
| Melting point | 271 |
| Boiling point | 320 (breaks down) |
| Solubility | Easily soluble in water, slightly soluble in ethyl alcohol, methyl alcohol and ether |
| pH value | 9 (aqueous solution) |
| Appearance and properties | White or light yellow fine crystal, no odor, with a little salty taste |
| CAS RN | 7632-00-0 |
1. As common analytical reagent, oxidizing agent, diazotization, and food additive.
2. As mordant, bleaching agent, metal heat treatment agent, corrosion inhibitor for electroplating, sanitizer and preservative for medical equipment.
3. For the production of azoic dyes, sulfur dyestuffs, direct dyes, acid dyes, disperse dyes, basic dyes, dyeing auxiliaries, and etc.
4. As colour former in processing meat products.
5. As one of the terminating agents for copolymerization of butadiene and styrene. As bleaching agent of silk and flax and mordant of fabric dyeing.
6. Antidote.
7. As raw material for producing nitrocompound, caprolactam, azo dyes, p-aminophenol, vulcanization accelerator, vanillin, and etc.
Keep in cool, dry and well-ventilated warehouse with temperature less than 30℃ and relative humidity less than 75%. Keep away from fire and heat sources. The packed shall be sealed. Separate from oxidants, acids, reactive metal powders and edible chemicals.
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