Sodium phosphate dibasic

• Catalog No.: S3264
• CAS Number: 7558-79-4
• M. F.: HNa2O4P
• M. W.: 141.958841
• Purity: ≥98.5% (titration)

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: 24899552
• EC Number: 231-448-7
• CAS Number: 7558-79-4
• MDL Number: MFCD00003496

PROPERTIES

• Antion Traces: chloride (Cl-): ≤40 ppm
• Cation Traces: Fe: ≤20 ppm
• Cation Traces: heavy metals (as Pb): ≤10 ppm
• Foreign Activity: DNase, RNase and protease, none detected
• Grade: for molecular biology
• Purity: ≥98.5% (titration)
• Quality Level: PREMIUM
• pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• Solubility: H2O: soluble100 mg/mL
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: WC4500000
• German water hazard class: 1