Molecular Formula ：NaNO3
CAS NO. ： 7631-99-4
HS Code： 3102500000
UN No： 1498
Hazard category： 5.1
EINECS NO.： 231-554-3
Properties: This product is white particle with relative molecular weight of 84.99, specific gravity of 2.257 and melting point of 306 ℃. It is easy to deliquescence, soluble in water and liquid nitrogen, and difficult to dissolve in methanol and ethanol. It starts to decompose at 380 ℃, and will burn and explode when it comes into contact with organics, sulfur, etc. It has strong oxidation and irritation.
| ITEM | |||
| Best quality | First quality | Qualified quality | |
| Content of sodium nitrate（calculated by dry base) %≥ | 99.5 | 99.3 | 98.5 |
| Moisture %≤ | 1.0 | 1.5 | 2.0 |
| Content of insolubles in water（calculated by dry base) %≤ | 0.03 | 0.06 | -- |
| Content of chloride(NaCl)（calculated by dry base) %，≥ | 0.15 | 0.24 | -- |
| Content of sodium nitrite（calculated by dry base) %≤ | 0.01 | 0.02 | 0.15 |
| Content of carbonate （calculated by dry base) %≤ | 0.05 | 0.10 | -- |
| Content of iron (Fe) %≤ | --- | 0.005 | 0.005 |
| Apperance of product | White fine granular | ||
| Package and Trade mark | By woven plastic bag out , and white plastic bag inner | ||