Sodium Nitrate Food Grade
Sodium Nitrite is mainly used as the raw material of productions of nitro compound and azo dyes, etc. Sodium Nitrite is also used as mordant and bleacher for fabric dyeing, as well as metal heat treatment agent, early-strength admixture and antifreeze of cement.
Index name
|
Premium grade
|
First grade
|
Second grade
|
sodium nitrate%
|
≥99.5
|
≥99.3
|
≥98.5
|
Chloride%
|
≤0.15
|
≤0.24
|
–
|
sodium nitrite%
|
≤0.01
|
≤0.02
|
≤0.15
|
sodium carbonate%
|
≤0.05
|
≤0.10
|
–
|
Moisture%
|
≤1.5
|
≤1.8
|
≤2.0
|
Water insoluble matter%
|
≤0.03
|
≤0.06
|
–
|
Fe(Fe)%
|
≤0.005
|
≤0.005
|
–
|
Notice:Excessive amounts of sodium nitrite cause cancer
(1)This product shall be stored in the place where keep ventilation and dry against rain, heated and insolation under sunlight.
(2)This product shall not be delivered or stored together with strong reducing agent, inflammable and detonatable substances, foods, feed, and additives.
(3)This product is venomousness. Please keep it safely. Don’t eat it mistakenly.
2.Properties :
Specific gravity: 2.168,
Melting point: 271°C
Decomposition Temperature: 320°C
Molecular weight: 68.9953 g/mol
Molecular formula: NaNO2
Density: 2.168 g/cm3
Melting point: 271 °C, 544 K, 520 °F (decomposes)
Appearance: White or slight yellow crystal
Soluble in water, the solution is alkaline, micro-dissolve in alcohol and ethyl ether. It will cause combustion and explosion when
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