Sodium phosphate dibasic dodecahydrate

• Catalog No.: 04273
• CAS Number: 10039-32-4
• M. F.: H25Na2O16P
• M. W.: 358.142201
• Purity: 98.5-101% (calc. to the dried substance)

SYNONYMS

• Title: 磷酸钠 二元 十二水合物
• IUPAC name: disodium dodecahydrate hydrogen phosphate
• IUPAC Traditional name: disodium dodecahydrate hydrogen phosphate
• Synonyms: Disodium hydrogen phosphate dodecahydrate; Disodium phosphate; sec-Sodium phosphate; 二盐基磷酸钠; di-Sodium hydrogen phosphate dodecahydrate; 磷酸二钠; 磷酸氢二钠 十二水合物

DATABASE IDS

• MDL Number: MFCD00149181
• PubChem SID: 24845713
• EC Number: 231-448-7
• CAS Number: 10039-32-4

PROPERTIES

• Antion Traces: chloride (Cl-): ≤10 mg/kg
• Antion Traces: fluoride (F-): ≤10 mg/kg
• Antion Traces: sulfate (SO42-): ≤100 mg/kg
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Cd: ≤1 mg/kg
• Cation Traces: Cu: ≤20 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: Hg: ≤1 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Pb: ≤4 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Impurities: reducing matter, complies
• Impurities: residual solvents, complies
• Impurities: ≤0.001% heavy metals (as Pb)
• Impurities: ≤1% NaH2PO4(calc. to dried subst.)
• Impurities: 57-61% water (Karl Fischer)
• Linear Formula: Na2HPO4 · 12H2O
• Loss on Drying: 57-61% loss on drying
• Purity: 98.5-101% (calc. to the dried substance)
• Quality: meets analytical specification of Ph. Eur., BP, E339
• Suitability: complies for appearance of solution
• pH: 8.4-9.6 (20 °C, 1%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: TC5725000
• German water hazard class: 1