| Synonyms | Chile saltpetre |
| Cubic or soda nitre |
| Definition | |
| Chemical name | Sodium nitrate |
| Einecs | 231-554-3 |
| Chemical formula | NaNO3 |
| Molecular weight | 85,0 |
| Assay | Content not less than 99 % after drying |
| Description | White crystalline, slightly hygroscopic powder |
| Identification | |
A.Positive tests for nitrate and for sodium | |
B.pH of a 5 % solution | Not less than 5,5 and more than 8,3 |
| Purity | |
| Loss on drying | Not more than 2 % after drying at 105 oC for four hours |
| Nitrites | Not more than 30 mg/kg expressed as NaNO2 |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 5 mg/kg |
| Mercury | Not more than 1 mg/kg |