di-Sodium Hydrogen Citrate Extrapure
Confirms to BP
Citric acid disodium salt, Sodium citrate dibasic
Product Code. |
02418 |
Grade |
|
Purity |
98% |
CAS No. |
144-33-2 |
Molecular Formula |
Na2H6C6O7.11/2H2O |
Molecular Weight |
263.11 |
H.S.Code |
2918.15400 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
4.5 - 5.5 at 263.1 g/l at 25 °C |
Melting point/ Freezing point [°C] |
149 °C |
Solubility in water [% weight] |
263.1 g/l at 20 °C |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (as C6H6Na2O7.1½ H2O) | 98.0 - 104.0% |
| Solubility | Freely soluble in water & practically Insoluble in methanol |
| Identification | To comply BP |
| pH (3% w/v solution in water) | 4.9 to 5.2 |
| Arsenic (As) | Max. 0.0002% |
| Heavy metal | Max. 0.002% |
| Chloride (Cl) | Max. 0.033% |
| Oxalate (as C2H2O4) | Max. 0.015% |
| Sulphate (SO4) | Max. 0.12% |
| Readily carbonisable substance | Passes test |
Safety Information and Hazard Symbols