Molekula
Potassium Nitrite (low sodium content)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium nitrite (CAS 7758-09-0) is an inorganic compound primarily used as a food preservative, corrosion inhibitor, and reagent in chemical synthesis. It prevents microbial growth in cured meats and is also employed in water treatment and industrial processes. With a molecular formula of KNO₂ and molecular weight of 85.10 g/mol, it has low sodium content, making it suitable for reduced-sodium applications. Store at ambient conditions. Signal word: Danger. Molekula supplies Potassium Nitrite 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.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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 yellow solid |
| Assay | ≥ 90.0% |
| Sodium (Na) | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 5.1 |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Melting Point | 441 °C |
| Boiling Point | 537 °C (explodes) |
Source: PubChem CID 516910 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90034127 |
| CAS Number | 7758-09-0 |
| IUPAC Name | potassium nitrite |
| EC Number | 231-832-4 |
| Molecular Formula | KNO2 |
| Molecular Weight | 85.10 |
| Exact Mass | 84.9566 |
| SMILES | N(=O)[O-].[K+] |
| InChIKey | BXNHTSHTPBPRFX-UHFFFAOYSA-M |
| InChI | InChI=1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1 |
| PubChem CID | 516910 |
| UN Number | UN1488 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28341050 |
| Tariff Code | 2834100000 |
Safety & GHS
-
Oxidizing
GHS03
-
Toxic
GHS06
-
Hazardous to the Environment
GHS09
Hazard statements
- H272 May intensify fire; oxidizer
- H301 Toxic if swallowed
- H400 Very toxic to aquatic life
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Caswell No. 698
- EPA Pesticide Chemical Code 076203
- INS NO.249
- Kaliumnitrit
- KNO2
- Nitrous acid potassium salt (1:1)
- Nitrous acid, potassium salt
- POTASSIUM NITRITE
- Potassium nitrite (1:1)
- POTASSIUM NITRITE (15N)
Frequently asked questions
What is potassium nitrite primarily used for?
Potassium nitrite is commonly used in food preservation (e.g., cured meats) to inhibit bacterial growth, as a corrosion inhibitor in industrial processes, and in chemical synthesis.
What is the chemical formula and molecular weight of potassium nitrite?
The chemical formula is KNO₂, and the molecular weight is 85.10 g/mol.
How should potassium nitrite be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances like acids or oxidizing agents.
What grades of potassium nitrite does Molekula supply?
Molekula supplies potassium nitrite with low sodium content, specified as a white to yellow solid with an assay of ≥ 90.0% and sodium (Na) content of ≤ 0.5%.
Can Molekula supply potassium nitrite in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums, 1-tonne big bags) for large-scale industrial or commercial use.
What documentation comes with a potassium nitrite order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and batch-specific documentation for traceability.
Is Potassium Nitrite (low sodium content) dangerous goods for shipping?
Yes. Potassium Nitrite (low sodium content) ships as dangerous goods: UN1488, class 5.1, packing group II.
Ready to order or need a custom pack?
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