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tri-SODIUM CITRATE DIHYDRATE AR/ACS Confirming to BP, USP Citric acid trisodium salt dihydrate
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Description
| Article No. | 05835 | Grade | AR/ACS |
| Purity | 99% | CAS No. | 6132-04-3 |
| Molecular Formula | C6H5Na3O7.2H2O | Molecular Weight | 294.10 |
| H.S. Code | 2918.1520 | 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 | ||||||
Specifications
| 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% |
Revision Date:Â 10-Aug-2022
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