Sodium phosphate dibasic, anhydrous ≥99.0% for HPLC, Supelco®

Synonyms: Sodium phosphate dibasicdi-Sodium hydrogen orthophosphateSodium hydrogen phosphate

SX0723-5 SX0723-5
EM-SX0723-5EA 120.73 USD
EM-SX0723-5 CASX0723-5
Sodium phosphate dibasic, anhydrous ≥99.0% for HPLC, Supelco®
di-Sodium hydrogen phosphate
Formula: Na₂HPO₄
MW: 141.96 g/mol
Melting Pt: 250 °C
Density: 1.53 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003496
CAS Number: 7558-79-4
EINECS: 231-448-7
REACH: 01-2119489797-11
Merck Index: 12,08805

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Specification Test Results

Assay 99.0% min
Chloride (Cl) 0.002% max
Form White crystalline powder
Heavy metals (as Pb) 0.001% max
Insoluble matter 0.01% max
Iron (Fe) 0.002% max
Loss on drying 0.2% max
pH of a 5% solution at 25°C 8.7-9.3
Sulfate (SO4) 0.005% max
UV Absorbance (1 M, water, 280 nm) 0.05AU max

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