Potassium phosphate monobasic

• Catalog No.: 60221
• CAS Number: 7778-77-0
• M. F.: H2KO4P
• M. W.: 136.085541
• Purity: ≥99.5% (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: 24881814
• MDL Number: MFCD00011401
• EC Number: 231-913-4

PROPERTIES

• Description: anhydrous
• Grade: for HPLC
• λ: 10 % in H2O
• Linear Formula: KH2PO4
• Purity: ≥99.5% (T)
• Purity: ≥99.5%
• Suitability: corresponds for filter test
• Suitability: corresponds to standard for RP gradient test
• Absorption Wavelength: λ: 210 nm Amax: 0.1
• Absorption Wavelength: λ: 220 nm Amax: 0.06
• Absorption Wavelength: λ: 230 nm Amax: 0.04
• Absorption Wavelength: λ: 300 nm Amax: 0.02
• Absorption Wavelength: λ: 500 nm Amax: 0.02
• 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.)
• Solubility: H2O: soluble0.1 g/mL at 25 °C, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: TC6615500
• German water hazard class: 2