Potassium nitrite
SIGALD/310484 - ACS reagent, ≥96.0%
CAS Number: 7758-09-0
Empirical Formula (Hill Notation): KNO2
Molecular Weight: 85.10
EC Number: 231-832-4
MDL Number: MFCD00011408
Linear Formula: KNO2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 310484-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 310484-100G
| anion traces | chloride (Cl-): ≤0.03% |
| sulfate (SO42-): ≤0.01% | |
| assay | ≥96.0% |
| cation traces | Ca: ≤0.005% |
| Fe: ≤0.001% | |
| heavy metals (as Pb): ≤0.001% | |
| Mg: ≤0.002% | |
| Na: ≤0.5% | |
| form | powder or crystals |
| grade | ACS reagent |
| impurities | ≤0.01% insolubles |
| InChI | 1S/K.HNO2/c;2-1-3/h;(H,2, |
| InChI key | BXNHTSHTPBPRFX-UHFFFAOYSA |
| mp | 350 °C (dec.) (lit.) |
| pH | 7-10 (25 °C, 50 g/L) |
| Quality Level | 200  |
| SMILES string | [K+].[O-]N=O |
| solubility | water: soluble (718.8 g/l at 25 °C (77 °F)) |
| Application: | Potassium nitrite can be used as:• A nucleophile for the nitrosation of diclofenac and diphenylamine into their corresponding N-nitroso derivatives. • A nitrous acid source for the diazotization of arylamines. |
| General description: | Potassium nitrite is an ionic salt that can be used for a variety of chemical reactions, including configuration inversion, substitution of amines via disulfonylamides, nucleophilic aromatic nitration, diazotization, nitrosation, and nucleoside nitration. |
| Packaging: | 100, 500 g in glass bottle |
| Symbol |    GHS03,GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H272 - H301 - H400 |
| Precautionary statements | P210 - P273 - P301 + P310 + P330 |
| Hazard Codes | O,T,N |
| Risk Statements | 8-25-50 |
| Safety Statements | 45-61 |
| RIDADR | UN 1488 5.1 / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥96.0% |
| mp | 350 °C (dec.) (lit.) |
| UNSPSC | 12352302 |