Sodium phosphate dibasic

• Catalog No.: 71629
• CAS Number: 7558-79-4
• M. F.: HNa2O4P
• M. W.: 141.958841
• Purity: ≥99.999% (metals basis)

SYNONYMS

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

DATABASE IDS

• EC Number: 231-448-7
• CAS Number: 7558-79-4
• PubChem SID: 24886237
• MDL Number: MFCD00003496

PROPERTIES

• Antion Traces: chloride (Cl-): ≤5 mg/kg
• Antion Traces: sulfate (SO42-): ≤30 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤1 mg/kg
• Cation Traces: Ca: ≤0.5 mg/kg
• Cation Traces: Cd: ≤0.01 mg/kg
• Cation Traces: Ce: ≤0.01 mg/kg
• Cation Traces: Co: ≤0.01 mg/kg
• Cation Traces: Cs: ≤5 mg/kg
• Cation Traces: Cu: ≤0.01 mg/kg
• Cation Traces: Eu: ≤0.01 mg/kg
• Cation Traces: Fe: ≤0.05 mg/kg
• Cation Traces: Hg: ≤0.005 mg/kg
• Cation Traces: K: ≤2 mg/kg
• Cation Traces: La: ≤0.01 mg/kg
• Cation Traces: Li: ≤1 mg/kg
• Cation Traces: Mg: ≤0.1 mg/kg
• Cation Traces: Mn: ≤0.01 mg/kg
• Cation Traces: Ni: ≤0.01 mg/kg
• Cation Traces: Pb: ≤0.01 mg/kg
• Cation Traces: Rb: ≤5 mg/kg
• Cation Traces: Sm: ≤0.01 mg/kg
• Cation Traces: Sr: ≤0.5 mg/kg
• Cation Traces: Tl: ≤0.01 mg/kg
• Cation Traces: Y: ≤0.01 mg/kg
• Cation Traces: Yb: ≤0.01 mg/kg
• Cation Traces: Zn: ≤0.01 mg/kg
• Grade: for trace analysis
• Grade: TraceSELECT®
• Impurities: ≤10 mg/kg total nitrogen (N)
• Linear Formula: Na2HPO4
• Purity: ≥99.999% (metals basis)
• pKa: (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) (25°C)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: WC4500000
• German water hazard class: 1

DETAILS

Description (English)

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Description (简体中文)

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