Phosphorous acid

• Catalog No.: 79540
• CAS Number: 13598-36-2
• M. F.: H3O3P
• M. W.: 81.995781
• Purity: ≥97.5% (T)

SYNONYMS

• Title: 亚磷酸
• IUPAC name: phosphonic acid
• IUPAC Traditional name: phosphonic acid
• Synonyms: 膦酸; Phosphonic acid

DATABASE IDS

• CAS Number: 13598-36-2
• EC Number: 237-066-7
• MDL Number: MFCD00137258

PROPERTIES

• Density: 1.651 g/mL at 25 °C(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H302-H314
• European Hazard Symbols: Corrosive (C)
• Personal Protective Equipment: Eyeshields, Faceshields, 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: P280-P305 + P351 + P338-P310
• RID/ADR: UN 2834 8/PG 3
• Risk Statements: 22-35
• RTECS: SZ6400000
• Safety Statements: 26-36/37/39-45
• Hazard Class: 8
• UN Number: 2834
• Packing Group: 3
• German water hazard class: 1
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤100 mg/kg
• Cation Traces: Ca: ≤100 mg/kg
• Cation Traces: Cd: ≤50 mg/kg
• Cation Traces: Co: ≤50 mg/kg
• Cation Traces: Cu: ≤50 mg/kg
• Cation Traces: Fe: ≤50 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤50 mg/kg
• Cation Traces: Pb: ≤50 mg/kg
• Cation Traces: Zn: ≤50 mg/kg
• Empirical Formula (Hill Notation): H3O3P
• Grade: purum p.a.
• Impurities: ≤2% water
• Purity: ≥97.5% (T)