Sodium Nitrite
- 中文名称:亚硝酸钠
- CAS:7632-00-0
- UN Code:1500
- Individual Weight:25kg
- EINECS:231-555-9
- HS Code:
- Purity:98%
Description
White to pale yellow crystalline powder, odorless, slightly salty in taste, with hygroscopicity.It is readily oxidized to sodium nitrate in air; its aqueous solution is weakly alkaline (pH ≈ 9).It is a strong oxidizing agent and decomposes in contact with weak acids to release brown nitrogen dioxide gas.
Physical & Chemical Properties
- Molecular FormulaNaNO2
- Density:2.2g/cm³g/cm³
- Boiling Point:
- Molecular Weight:69.0g/mol
- Flash Point:
- Melting Point:
Safety, Security & Risk
Chemical Hazards
May explode if heated above 530 °C.Contact with acids liberates toxic fumes of nitrogen oxides.The substance is a strong oxidizing agent.Reacts with combustible and reducing substances.Risk of fire and explosion.Aqueous solution is weakly alkaline.Reacts with aluminium, ammonium compounds and amines.
May explode if heated above 530 °C.Contact with acids liberates toxic fumes of nitrogen oxides.The substance is a strong oxidizing agent.Reacts with combustible and reducing substances.Risk of fire and explosion.Aqueous solution is weakly alkaline.Reacts with aluminium, ammonium compounds and amines.
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