Potassium phosphate monobasic

• Catalog No.: 60230
• CAS Number: 7778-77-0
• M. F.: H2KO4P
• M. W.: 136.085541
• Purity: ≥99.0% (T)

SYNONYMS

• Title: 磷酸钾 一元
• IUPAC name: potassium dihydrogen phosphate
• IUPAC Traditional name: potassium dihydrogen phosphate
• Synonyms: prim.-Potassium phosphate; Potassium dihydrogen phosphate; 无水磷酸二氢钾; Monopotassium phosphate; 磷酸一钾; 磷酸二氢钾

DATABASE IDS

• CAS Number: 7778-77-0
• PubChem SID: 24881815
• MDL Number: MFCD00011401
• EC Number: 231-913-4

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤200 mg/kg
• Cation Traces: Ca: ≤50 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: Na: ≤2000 mg/kg
• Cation Traces: Ni: ≤50 mg/kg
• Cation Traces: Pb: ≤50 mg/kg
• Cation Traces: Zn: ≤50 mg/kg
• Grade: purum p.a.
• Linear Formula: KH2PO4
• Purity: ≥99.0% (T)
• pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) (25°C)
• Density: 2.338 g/mL at 25 °C(lit.)
• Melting Point: 252.6 °C(lit.)
• pH: 4.1-4.5 (20 °C, 50 mg/mL in H2O)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: TC6615500
• German water hazard class: 2