CAS number： 68-04-2
Molecular formula： C6H5Na3O7
molecular weight： 258.069
Chemical structure：
Certificate of Analysis
| Product Name | Sodium Citrate | |
| Expiry Date | 2 years | |
| Inspection Date | BP98 | |
| Item | Specification | Result |
| Appearance | Colorless or white crystal or crystalline | Colorless or white crystal or crystalline |
| Content(Na3C6H5O7.2H2O),% | 99.0-101.0 | 99.5 |
| Acidity and Alkalinity | Accord with the test | Accord with the test |
| Sulphates, ≤% | 0.015 | < 0.015 |
| Heavy metals(As Pb), ≤% | 0.001 | < 0.001 |
| Oxalate, ≤% | 0.03 | < 0.03 |
| Easy carbonify substance | Accord with the test | Accord with the test |
| Chioride, ≤% | 0.005 | < 0.005 |
| Loss on drying,% | 11.0-13.0 | 12.4 |
