Sodium nitrate
SIAL/15736 - analytical standard
Synonym: E251; Chile salpeter
CAS Number: 7631-99-4
Empirical Formula (Hill Notation): NaNO3
Molecular Weight: 84.99
EC Number: 231-554-3
MDL Number: MFCD00011119
Linear Formula: NaNO3
Product Type: Chemical
| application(s) | cleaning products cosmetics food and beverages personal care |
| assay | ≥99.995% trace metals basis |
| cation traces | B: ≤1 mg/kg |
| format | neat |
| grade | analytical standard |
| InChI | 1S/NO3.Na/c2-1(3)4;/q-1;+ |
| InChI key | VWDWKYIASSYTQR-UHFFFAOYSA |
| mp | 306 °C (dec.) (lit.) |
| Quality Level | 100 ![]() |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | [Na+].[O-][N+]([O-])=O |
| solubility | water: soluble 874 g/L at 20 °C |
| suitability | conforms to structure for Infrared spectrum |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| Application: | Sodium nitrate may be used as an analytical reference standard for the quantification of the analyte in the following: • Ham using reversed-phase high-performance liquid chromatography with diode array detection (RP-HPLC-DAD). • Human saliva samples using ion chromatography (IC) technique. |
| General description: | Sodium nitrate is a nitrate salt of sodium, which finds application as a preservative in cured meat products for the protection against Clostridium botulinum and other Clostridium species. |
| Symbol | ![]() GHS03,GHS07 |
| Signal word | Warning |
| Hazard statements | H272 - H319 |
| Precautionary statements | P210 - P305 + P351 + P338 |
| Hazard Codes | O,Xi |
| Risk Statements | 8-36 |
| Safety Statements | 17-26 |
| RIDADR | UN 1498 5.1 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | does not flash |
| Flash Point(C) | does not flash |
| Purity | ≥99.995% trace metals basis |
| mp | 306 °C (dec.) (lit.) |
| UNSPSC | 85151701 |



