|Name:||Sodium Nitrite||Appearance:||White Or Light Yellow Crystals|
|CAS No.:||7632-00-0||Application:||Industrial Grade|
White Crystals NaNO2 Sodium Nitrite,
ISO9001 NaNO2 Sodium Nitrite,
Alcohol Soluble NaNO2 Sodium Nitrite
99% Purity Sodium Nitrite White Or Light Yellow Crystals Industrial Grade NaNO2
Sodium nitrite is white to light yellow granular crystal or powder, tasteless, easily deliquescent, toxic, slightly soluble in alcohol and ether, aqueous solution is alkaline, PH value of about 9. Relative density (water =1g/cm3) : 2.17g/cm3; Melting point: 271℃; Boiling point 320℃ (decomposition).
Sodium nitrite is a strong oxidant and reductive, will gradually oxidize in the air, the surface becomes sodium nitrate, can also be oxidized by the oxidant; Brown nitrogen dioxide gas is released when decomposed by weak acid. Contact with organic matter, reducing agent can cause explosion or combustion, and release toxic excitant nitrogen oxide gas; In the case of strong oxidants can also be oxidized, especially ammonium salt, such as ammonium nitrate, ammonium persulfate and so on at room temperature, that can interact with high heat, causing combustible combustion.
|Purity||99.0% min||98.5% min||98.0% min|
|Moisture||1.4% max||2.0% max||2.5% max|
|Chlorides (As NaCL)||0.10% max||0.15% max||----|
|Sodium nitrate||0.8% max||1.0% max||1.5% max|
|Water insolubles||0.05% max||0.06% max||0.10% max|
Sodium nitrite is used in the following areas:
Production of diazo dyes, nitroso compounds and other organic compounds; Dyeing and bleaching of fibre textiles; Photography; As anti-corrosive agent in laboratory; As an additive in metal coating; Rubber production. Its 10% aqueous solution is also used in electroplating. Sodium nitrite is also used in vasodilation and bronchodilation drugs in humans and animals, and even in cyanide detoxification.
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