Laboratory use. Xylene is used in the laboratory to make baths with dry ice to cool reaction vessels, and as a solvent to remove synthetic immersion oil from the microscope objective in light microscopy. In histology, xylene is the most widely used clearing agent.
| Test Description | Specification Limits | Unit of Measure | Test Method | |
|---|---|---|---|---|
| Min. | Max. | |||
| Appearance | Not listed | Visual | ||
| Purity as aromatic | 99.9 Vol. | % | ASTM D 1319 | |
| Saybolt Color | +30 | ASTM D 156 | ||
| Density at 15deg.C | Kg/dm3 | ASTM D 4052 | ||
| Distillation Range | Deg.C | ASTM D 850 | ||
| IBP | 137.8 | |||
| 50% | 139.6 | |||
| DP | 142.6 | |||
| Flash Point | 27.5 | Deg.C | ASTM D 56 | |
| Aniline Point | Not listed | Deg.C | ASTM D 611 | |
| Copper Corrosion | 1a | ASTM D 130 | ||
| 3 hrs at 50 deg.c | ||||
| Sulphur Content | free | ppm/wt | ASTM D 853 | |
| Aromatics | 99.9 Vol. | % | ASTM D 1319 | |
| Hydrogen Sulphide | free | ppm/wt | ASTM D 853 | |
