| Description |
Clear colourless liquid |
| Assay (GC) |
Min. 99.5% |
| Wt /ml at 20°C |
0.860 - 0.867 g |
| Refractive index |
1.494 - 1.497 |
| Water |
Max. 0.03% |
| Acidity |
Max. 0.012 ml N% |
| Alkalinity |
Max. 0.012 ml N% |
| Benzene (C6H6) |
Max. 0.2% |
| Thiophen homologues (C4H4S) |
Max. 0.0002% |
| Melting point/Freezing point (˚C) |
-93˚C |
| Solubility in water (% weight) |
0.05g/100g water at 20˚C |
| Non-volatile matter |
Max. 0.002% |
| Copper (Cu) |
Max. 0.00005% |
| Iron (Fe) |
Max. 0.0001% |
| Lead (Pb) |
Max. 0.00005% |
| Organic impurities |
Passes acid wash test |
| Sulphur compound (CS2) |
Max. 0.0003% |