Disodium hydrogen phosphate 99+% ACS suitable for buffer solutions
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7558-79-4
:
Formula:Na₂HPO₄
MDL Number:MFCD00003496
:141.96 g/mol
Merck Index:12,08805
Melting Pt:250 °C
Density:1,53 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-448-7
REACH:01-2119489797-11
Specification Test Results
- Appearance:White Powder or granular powder
- Loss on drying:≤0.2 % (105°C)
- pH:8.7 to 9.3 (5 % solution at 25.0°C)
- Titration excess HCl:≥99.0 %
- Chloride (Cl):≤20 ppm
- Sulfate (SO4):≤50 ppm
- Iron (Fe):≤20 ppm
- Heavy metals (as Pb):≤10 ppm
- Insoluble matter:≤0.01 %