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 2000 · 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.
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 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.
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 **technical-grade potassium nitrite** suitable for industrial and food-grade applications (where applicable).
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.
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.