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Alias: Sodium nitrite,food grade
English Name: Sodium nitrite
CAS: 7632-00-0
EINECS: 231-555-9
Molecular formula: NaNO2
Performance: Sodium nitrite is white or light yellow crystal, relative molecular weight is 69.0, specific gravity is 2.168, with no smell, light
saline taste, easy deliquesce. It has fine water-solubility and hygroscopicity. Its aqueous solution is with alkalescence and PH range is 9. It is easily soluble in liquid ammonia, light soluble in alcohol, carbinol and diethyl ether. Melting point is 271℃, decomposition temperature is 320℃. It has oxidability and reducibility.
Use: it is used as metal heat treatment agent, plating inhibitor, steel corrosion inhibitor, bleacher, mordant, for the production of dye intermediate, pigment, chemical analysis reagent, sterilization of instruments, colour former and preservative.
Index: GB/T2367-2006
|
main index |
unit |
high-class product |
top quality product |
qualified product |
food grade |
|
Sodium nitrite |
%≥ |
99.0 |
98.5 |
98.0 |
99.0 |
|
sodium nitrate |
%≤ |
0.80 |
1.00 |
2.0 |
- |
|
chloride |
%≤ |
0.10 |
0.17 |
- |
0.10 |
|
water insoluble |
%≤ |
0.05 |
0.06 |
0.10 |
0.05 |
|
moisture |
%≤ |
1.4 |
2.0 |
2.5 |
1.8 |