12654

Potassium nitrite

meets analytical specification of FCC, 97-100.5%

• Empirical Formula (Hill Notation): KNO₂
• CAS Number: 7758-09-0
• Molecular Weight: 85.10
• EC Number: 231-832-4
• MDL number: MFCD00011408
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749790
• NACRES: NA.21
• form: crystals
• solubility: water: soluble 0.35 part; alcohol: slightly soluble

Properties

• Quality Level: 200
• Assay: 97-100.5%
• form: crystals
• quality: meets analytical specification of FCC
• impurities: ≤0.001% heavy metals (as Pb)
• mp: 350 °C (dec.) (lit.)
• solubility: water: soluble 0.35 part; alcohol: slightly soluble
• anion traces: chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• cation traces: As: ≤1 mg/kg; Fe: ≤10 mg/kg; Pb: ≤4 mg/kg
• SMILES string: [K+].[O-]N=O
• InChI: 1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
• InChI key: BXNHTSHTPBPRFX-UHFFFAOYSA-M

Description

Application

Potassium nitrite has been used for determining the bacteriostatic and fungistatic activity of acidified nitrite. It has also been used as a supplement in buffer for investigating the impact of nitrite on nosocomial pathogens including C. difficile spores. Adulterants such as “Klear” and “Whizzies” contain potassium nitrite which masks tests for abused drugs in urine. Hence potassium nitrite is used along with Klear and Urine Luck for preparing adulterated urine for drug-of-abuse testing.

Biochem/physiol Actions

Potassium nitrite is a strong oxidizing agent that enhances seeds to germinate without a pre-incubation period and without ethylene.

Safety Information

• Pictograms: GHS03,GHS06,GHS09
• Signal Word: Danger
• Hazard Statements: H272,H301,H400
• Precautionary Statements: P210 - P220 - P264 - P273 - P280 - P301 + P310
• Hazard Classifications: Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable