tri-Sodium Citrate dihydrate 99% AR
Confirming to BP, USP
Citric acid trisodium salt dihydrate
Product Code. |
02393 |
Grade |
|
Purity |
99% |
CAS No. |
6132-04-3 |
Molecular Formula |
C6H5Na3O7.2H2O |
Molecular Weight |
294.10 |
H.S.Code |
2918.15200 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
7.5 - 9 at 29.4 g/l at 25 °C |
Melting point/ Freezing point [°C] |
> 300 °C |
Density [g/cm3] |
1.665 |
| Solubility in water [% weight] |
29.4 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration) | 99 - 100.5% |
| Identity | Passes test |
| Appearance of solution (100 g/L) | Clear and colorless |
| Insoluble matter | Max 0.005% |
| Acidity or alkalinity | Passes test |
| pH (50 mg/mL in water; 25°C) | 7.5 - 9.0 |
| Chloride (Cl) | Max 0.003% |
| Sulphate (SO4) | Max 0.005% |
| Heavy metals (by ICP-OES) | Max 0.0005% |
| Iron (Fe) | Max 0.0005% |
| Oxalate (as C2H2O4) | Max 0.01% |
| Tartarate (C4H6) | Passes test |
| Readily carbonisable substance | Passes test |
| Ammonium (NH4) | Max 0.003% |
| Calcium (Ca) | Max 0.005% |
| Water (by KF) | 11.0 - 13.0% |
| Loss on drying (180°C; 18 hrs) | 10.0 - 13.0% |
Safety Information and Hazard Symbols