Sodium phosphate monobasic dihydrate

• Catalog No.: 04269
• CAS Number: 13472-35-0
• M. F.: H6NaO6P
• M. W.: 156.007571
• Purity: 98-100.5% (calc. to the dried substance)

SYNONYMS

• Title: 一盐基磷酸钠 二水合物
• IUPAC name: sodium dihydrate dihydrogen phosphate
• IUPAC Traditional name: sodium dihydrate dihydrogen phosphate
• Synonyms: 磷酸二氢钠 二水合物; Sodium dihydrogen phosphate dihydrate

DATABASE IDS

• MDL Number: MFCD00149209
• EC Number: 231-449-2
• CAS Number: 13472-35-0
• PubChem SID: 24845709

PROPERTIES

• Loss on Drying: 21.5-24.0% loss on drying, 130 °C
• Purity: 98-100.5% (calc. to the dried substance)
• Quality: meets analytical specification of Ph. Eur., BP, USP, FCC, E 339
• Suitability: complies for appearance of solution
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: fluoride (F-): ≤10 mg/kg
• Antion Traces: sulfate (SO42-): ≤200 mg/kg
• Cation Traces: Al:, in accordance
• Cation Traces: As: ≤2 mg/kg
• Cation Traces: Ca: ≤20 mg/kg
• Cation Traces: Ca:, in accordance
• Cation Traces: Cd: ≤1 mg/kg
• Cation Traces: Cu: ≤10 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: Hg: ≤1 mg/kg
• Cation Traces: Mg: ≤20 mg/kg
• Cation Traces: Pb: ≤4 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Impurities: heavy metals (as Pb), complies
• Impurities: organic volatile impurities, complies
• Impurities: reducing matter, complies
• Impurities: related substances, complies
• Impurities: residual solvents, complies
• Impurities: ≤0.2% water-insoluble matter
• Linear Formula: NaH2PO4 · 2H2O
• pH: 4.1-5.0 (20 °C, 1%)
• pH: 4.2-4.5 (20 °C, 5%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: WA1900500
• German water hazard class: 1