60414

Potassium nitrate

BioUltra, ≥99.5% (T)

• Formula condensata: KNO₃
• Numero CAS: 7757-79-1
• Peso molecolare: 101.10
• UNSPSC Code: 12352200
• PubChem Substance ID: 57651762
• EC Number: 231-818-8
• MDL number: MFCD00011409

Proprietà

• product line: BioUltra
• assay: ≥99.5% (T)
• impurities: insoluble matter, passes filter test
• loss: ≤0.1% loss on drying, 110 °C
• pH: 5.0-8.0 (25 °C, 1 M in H₂O)
• mp: 334 °C (lit.)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤10 mg/kg, iodate (IO₃^-): ≤5 mg/kg, nitrite (NO₂^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg
• cation traces: Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Li: ≤5 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH₄⁺: ≤10 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
• absorption: cut-off at 328 nm in H₂O at 1 M
• SMILES string: [K+].[O-][N+]([O-])=O
• InChI: 1S/K.NO3/c;2-1(3)4/q+1;-1
• InChI key: FGIUAXJPYTZDNR-UHFFFAOYSA-N

Descrizione

Other Notes

Substrate for the assay of nitrate reductase; Component of media for testing bacterial nitrate reduction.

Informazioni sulla sicurezza

• pictograms: GHS03
• signalword: Warning
• hcodes: H272
• pcodes: P210 - P220 - P280 - P370 + P378 - P501
• Hazard Classifications: Ox. Sol. 3
• Classe di stoccaggio: 5.1B - Oxidizing hazardous materials
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges