CAS number: 7647-14-5
Molecular formula: NaCl22
molecular weight: 57.4474
Chemical structure:
Product name | Sodium chloride | |
Shelf Life | 4 years | |
Technical index | Standards | Test results |
Characters | white, crystalline powder or olourless crystals, freely soluble in water, practically insoluble in ethanol. | To pass test |
Identification | It gives the reactions of chlorides and sodium. | To pass test |
Acidity or Alkalinity | Comply with the standard | To pass test |
Appearance of solution | Clear and colourless | To pass test |
Iodides | Comply with the standard | To pass test |
Bromides | ≤50ppm | <50ppm |
Ferrocyanides | Comply with the standard | To pass test |
Nitrites | ≤0.01 | <0.01 |
Phosphates | ≤0.0025% | <0.0025% |
Sulfates | ≤0.02% | <0.02% |
Aluminium | ≤0.00002% | <0.00002% |
Barium | Comply with the standard | To pass test |
Potassium | ≤0.05% | <0.05% |
Iron | ≤0.0002% | <0.0002% |
Magnesium and alkaline-earth metals | ≤0.01% | <0.01% |
Arsenic | ≤0.0001% | <0.0001% |
Heavy metals | ≤0.0005% | <0.0005% |
Loss on drying | ≤0.5% | 0.02% |
Assay | 99.0~100.5% | 99.9% |
Conclusion | Comply with BP 2009 |