Sodium phosphate dibasic

• Catalog No.: S3397
• CAS Number: 7558-79-4
• M. F.: HNa2O4P
• M. W.: 141.958841
• Purity: ≥99%

SYNONYMS

• Title: 磷酸钠 二元
• IUPAC name: disodium hydrogen phosphate
• IUPAC Traditional name: disodium hydrogen phosphate
• Synonyms: 磷酸二钠; 磷酸氢二钠; 二盐基磷酸钠; 磷酸一氢钠

DATABASE IDS

• PubChem SID: 24899559
• EC Number: 231-448-7
• CAS Number: 7558-79-4
• MDL Number: MFCD00003496

PROPERTIES

• Antion Traces: chloride (Cl-): ≤0.002%
• Antion Traces: sulfate (SO42-): ≤0.005%
• Cation Traces: Fe: ≤0.002%
• Cation Traces: heavy metals (as Pb): ≤0.001%
• Grade: for electrophoresis
• Impurities: ≤0.01% Insoluble matter
• Purity: ≥99%
• Suitability: suitable for electrophoresis buffers for the Weber and Osborn system
• pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• pH: 8.7-9.3 (25 °C, 5% in solution)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: WC4500000
• German water hazard class: 1