Sodium nitrite
Sodium nitrite, an inorganic compound, chemical formula NaNO2, is a white crystalline powder, easily soluble in water, slightly soluble in ethanol, methanol, ether, mainly used for the manufacture of azo dyes, but also used as fabric dyeing mordant, bleach, metal heat treatment agent.
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Description
English name: Sodium nitrite
Molecular formula: NaNO₂
CAS NO.：7632-00-0
EINECS NO.：231-555-9
Appearance
White or slightly yellow orthorhombic crystal or powder. Slightly salty. Easy to deliquesce. Easily soluble in water and liquid ammonia, its aqueous solution is alkaline.
Physical characteristics
Density: 2.168g/cm3
Melting point: 271℃
Boiling point: 320℃
Solubility: easily soluble in water, slightly soluble in ethanol, methanol, ether
Safety information
S26：In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36：Wear suitable protective clothing.
S45：In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).
S61：Avoid release to the environment. Refer to special instructions/Safety data sheets.
R8：Contact with combustible material may cause fire.
R25：Toxic if swallowed.
R50：Very toxic to aquatic organisms.
