Sodium phosphate dibasic heptahydrate

• Catalog No.: 04274
• CAS Number: 7782-85-6
• M. F.: H15Na2O11P
• M. W.: 268.065801
• Purity: 99-100.5% (calc. to the dried substance)

SYNONYMS

• Title: 磷酸钠 二元 七水合物
• IUPAC name: disodium heptahydrate hydrogen phosphate
• IUPAC Traditional name: disodium heptahydrate hydrogen phosphate
• Synonyms: 磷酸二钠; Disodium hydrogen phosphate heptahydrate; 磷酸氢二钠 七水合物; Disodium phosphate

DATABASE IDS

• EC Number: 237-707-0
• MDL Number: MFCD00149180
• CAS Number: 7782-85-6
• PubChem SID: 24845714

PROPERTIES

• Antion Traces: chloride (Cl-): ≤10 mg/kg
• Antion Traces: sulfate (SO42-): ≤200 mg/kg
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Fe: ≤20 mg/kg
• Cation Traces: K: ≤100 mg/kg
• Grade: puriss.
• Impurities: residual solvents, complies
• Impurities: ≤0.001% heavy metals (as Pb)
• Linear Formula: Na2HPO4 · 7H2O
• Loss on Drying: 43.0-50.0% loss on drying, 120 °C
• Purity: 99-100.5% (calc. to the dried substance)
• Quality: meets analytical specification of USP
• Density: 1.68 g/mL at 25 °C(lit.)
• Vapor Density: 4.9 (vs air)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3