Sodium nitrate is the inorganic nitrate salt of sodium. It has a role as a fertilizer. It is an inorganic sodium salt and an inorganic nitrate salt.
Oxidizing
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Sodium nitrate is the inorganic nitrate salt of sodium. It has a role as a fertilizer. It is an inorganic sodium salt and an inorganic nitrate salt.
| Physical Description | Sodium nitrate appears as a white crystalline solid. Noncombustible but accelerates the burning of combustible materials. If large quantities are involved in fire or the combustible material is fin… |
| Color/Form | Colorless, trigonal or rhombohedron crystals |
| Odor | Odorless |
| Melting Point | 584.2 °F (USCG, 1999) |
| Boiling Point | Decomposes 716 °F (USCG, 1999) |
| Density | 2.26 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | ...is soluble in liquid ammonia and forms Na NO3.4NH3 below -42 °C. The solubility in anhydrous methanol is 2.8 wt% at 25 °C. |
| Refractive Index | Index of refraction = 1.587 (trigonal); 1.336 (rhombohedral) |
| IUPAC Name | sodium nitrate |
| Molecular Formula | NNaO3 |
| Molecular Weight | 84.995 g/mol |
| CAS | 7631-99-4 |
| SMILES | [N+](=O)([O-])[O-].[Na+] |
| InChIKey | VWDWKYIASSYTQR-UHFFFAOYSA-N |
| Catalog No | KC.1910249 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.