Molekula
Sodium nitrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium nitrate is an inorganic compound used in fertilizers, food preservation, and industrial processes. It appears as a white or slightly yellow crystalline solid. CAS: 7631-99-4, Molecular formula: NaNO3, Molecular weight: 84.99 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Sodium nitrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — £21.00 per pack ex VAT · £25.20 inc. VAT
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1 kg — £29.50 per pack ex VAT · £35.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to cream powder |
| Water | ≤0.2 g/100 g (Gravimetry) |
| Water insoluble matter | ≤50 mg/kg (Gravimetry) |
| Sodium chloride | ≤250 mg/kg (Titrimetry) |
| Sodium sulphate | ≤50 mg/kg (Ion chromatography) |
| Sodium nitrate (NaNO3) | ≥99.2 g/100 g (Titrimetry) |
| Sodium Nitrite | ≤50 mg/kg (Titrimetry) |
| Sodium carbonate (Na2CO3) | ≤400 mg/kg (Titrimetry) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 5.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, trigonal or rhombohedron crystals |
| Odour | Odorless |
| Melting Point | 308 °C |
| Boiling Point | 380 °C with decomp |
| Solubility (other solvents) | Slightly soluble in ethanol and methanol |
| Refractive Index | 1.587 |
Source: PubChem CID 24268 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 87803478 |
| CAS Number | 7631-99-4 |
| IUPAC Name | sodium nitrate |
| EC Number | 231-554-3 |
| Molecular Formula | NaNO3 |
| Molecular Weight | 84.99 |
| Exact Mass | 84.9776 |
| SMILES | [N+](=O)([O-])[O-].[Na+] |
| InChIKey | VWDWKYIASSYTQR-UHFFFAOYSA-N |
| InChI | InChI=1S/NO3.Na/c2-1(3)4;/q-1;+1 |
| PubChem CID | 24268 |
| UN Number | UN1498 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3102.50.00.00 |
| Tariff Code | 3102500089 |
Safety & GHS
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Oxidizing
GHS03
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H272 May intensify fire; oxidizer
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Chile saltpeter
- Cubic niter
- etabisulfite
- Nitrate de sodium
- Nitrate of soda
- Nitratine
- Nitric acid, sodium salt
- Saltpeter (Chile)
- Soda niter
- Sodium saltpeter
Frequently asked questions
What is sodium nitrate used for?
Sodium nitrate is commonly used in fertilizers, food preservation, and as a raw material in the production of nitric acid.
What is the chemical formula and molecular weight of sodium nitrate?
The formula is NaNO3 and the molecular weight is 84.99 g/mol.
How should sodium nitrate be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade of sodium nitrate does Molekula supply?
Molekula supplies sodium nitrate in reagent grade and technical grade.
Can Molekula supply sodium nitrate in bulk?
Yes, Molekula can supply sodium nitrate in bulk quantities upon request.
What documentation comes with a sodium nitrate order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.