Potassium nitrate

• Catalog No.: 12648
• CAS Number: 7757-79-1
• M. F.: KNO3
• M. W.: 101.1032
• Purity: 99.0-100.5%

SYNONYMS

• Title: 硝酸钾
• IUPAC name: potassium nitrate
• IUPAC Traditional name: potassium nitrate

DATABASE IDS

• EC Number: 231-818-8
• CAS Number: 7757-79-1
• MDL Number: MFCD00011409
• PubChem SID: 24847728

PROPERTIES

• Antion Traces: chloride (Cl-): ≤10 mg/kg
• Antion Traces: nitrite (NO2-): ≤5 mg/kg
• Antion Traces: sulfate (SO42-): ≤100 mg/kg
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Ca: ≤50 mg/kg
• Cation Traces: Cu: ≤10 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: Na: ≤1000 mg/kg
• Cation Traces: Pb: ≤4 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Empirical Formula (Hill Notation): KNO3
• Grade: puriss.
• Impurities: acidity or alkalinity, complies
• Impurities: reducing matter, complies
• Impurities: residual solvents, complies
• Impurities: ≤0.001% heavy metals (as Pb)
• Impurities: ≤0.005% ammonium (NH4)
• Loss on Drying: ≤0.5% loss on drying, 105 °C
• Purity: 99.0-100.5%
• Quality: meets analytical specification of Ph Eur, BP, USP, FCC, E252
• Suitability: complies for appearance of solution
• Melting Point: 334 °C(lit.)
• pH: 5-8 (20 °C, 5%)
• GHS Signal Word: Warning
• GHS Hazard statements: H272
• European Hazard Symbols: Oxidising (O)
• Personal Protective Equipment: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P220
• RID/ADR: UN 1486 5.1/PG 3
• Risk Statements: 8
• RTECS: TT3700000
• Hazard Class: 5.1
• UN Number: 1486
• Packing Group: 3
• German water hazard class: 1