Sodium nitrite CAS 7632-00-0, sodium nitrite
sodium nitrite
| Chinese name | sodium nitrite |
| English name | Sodium nitrite |
| Chinese alias | Sodium; sodium nitrite (food grade) |
| RN CASE | 7632-00-0 |
| EINECS number | 231-555-9 |
| molecular formula | Nano2 |
| molecular weight | 68.9953 |
| Dangerous goods sign |  O:Oxidizing agent T:Toxic N:Dangerous for the environment |
| Risk Terminology | R25; R50; R8; |
| security terms | S45; S61; |
| physicochemical properties | Character White or slightly yellowish orthorhombic crystal or powder. Slightly salty. Easy to deliquescence. Melting point 271 ℃ Relative density 2.168 Solubility, soluble in water and liquid ammonia, its aqueous solution is alkaline. Slightly soluble in absolute ethanol, methanol, ether. |
| purpose | Used as mordant, bleach, metal heat treatment agent, electroplating corrosion inhibitor, used as equipment disinfection and preservative in medicine |
| upstream raw material | Ammonia, caustic soda, sodium carbonate, nitric acid |
| downstream products | Sodium sulfate, nitrous oxide, 2,3-dichlorobenzaldehyde, 4,4'-Diaminodiphenyl ether, 1-phenyl-3-methyl-5-pyrazolinone, pyrazolanthracone, 2,3-butanedione, 2-fluorotrifluorotoluene, 3-fluorotrifluorotoluene, 4-fluorotrifluorotoluene, nitromethane, hydroxylamine hydrochloride, sodium azide, 2-cyanobenzoxime, 2,2,3,3-tetramethylcyclopropane carboxylic acid |
