Property: White or a little buff fine crystal. The relative molecular weight is 69.0 and density is 2.168. It’s no smell and a little saline taste, easy to be deliquescence and to dissolve in water. The melting point is 271℃ and decomposition temperature is 320℃. It has the strong oxidizing property, as well as reducing property. It can slowly oxidize into sodium nitrite in the air, and will become diamino compound composed with ammonia under low temperature.
Molecular Formula: NaNO2
Molecule Weight: 69.0
CAS NO.: 7632-00-0
Appearance: White or light yellow Fine Crystal
Specification:
|
Item |
Quality Index | ||
|
High-Class |
First-Class |
Qualified-Class | |
|
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 |
Application: It is mainly used as the raw material of productions of nitro compound and azo dyes etc. It is also used as mordant and bleacher for fabric dyeing, as well as metal heat treatment agent, early-strength admixture and antifreeze of cement.