| Formula / Notation | NaNO3 |
|---|---|
| CAS Number | 7631-99-4 |
| Molecular Weight | 84.995 |
| 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. |
| Appearance | 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... |
| Also Known As | 7631-99-4; Chile saltpeter; Cubic niter; Soda niter; Nitrate of soda; etabisulfite; Nitratine; Sodium saltpeter; Nitrate de sodium; Nitric acid, sodium salt |
| Category | Salts |
What is Sodium nitrate?
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.
Formula & Notation
IUPAC Name: sodium nitrate
Other Names / Synonyms: 7631-99-4; Chile saltpeter; Cubic niter; Soda niter; Nitrate of soda; etabisulfite; Nitratine; Sodium saltpeter; Nitrate de sodium; Nitric acid, sodium salt
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| 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 |
| Molecular Weight | 84.995 |
| 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. |
| Appearance | 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... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
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.
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Sodium nitrate is: NaNO3