Disodium hydrogen phosphate ≥99.7%, tested according to Ph. Eur., Fluka™
Catalog # 56814-1KG
Supplier: Honeywell Chemicals
CAS Number:
Specifications
- Pack type:Plastic bottle
- Pk:1 kg
- Seq:4024
Specifications
Specification Test Results
- pKa (25 °C):(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
- Identity A:complying
- Identity C:complying
- Identity D:complying
- Assay (calculated to the dried substance):98.0 - 101.0 %
- Assay of NaH₂PO₄ (calculated to dried substances):Max. 2.5 %
- Appearance of the solution:complying
- Loss on drying (105°C, 4 h):Max. 1.0 %
- Arsenic (As):Max. 2 ppm
- Iron (Fe):Max. 20 ppm
- Heavy metals (as Pb):Max. 10 ppm
- Chloride (Cl):Max. 200 ppm
- Sulfate (SO₄):Max. 500 ppm
- Reducing impurities:complying
- Residual solvents:complying
Specification Test Results
About this item
:
:141.96 g/mol
Merck Index:12,08805
Melting Pt:250 °C
Storage Temperature:Ambient
EINECS:231-448-7
REACH:01-2119489797-11
CAS Number:7558-79-4
Formula:Na₂HPO₄
MDL Number:MFCD00003496