Dimethyl sulphoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO.
| Dimethyl Sulphoxide, 99.7% HPLC - Specification | |
| Description | A clear colourless liquid |
| Assay (GC) | Min. 99.7% |
| Non–volatile matter | Max. 0.002% |
| Solubility in water | Completely miscible |
| Water (Karl Fischer) | Max. 0.2% |
| UV Transmittance: | |
| 270 nm | Min. 20% |
| 280 nm | Min. 50% |
| 300 nm | Min. 80% |
| 350 nm | Min. 98% |
| Melting point/Freezing point (° C) | 16-19°C |
| Boiling point (° C) | 189°C |
| Flash point [°C] | 87°C |
| Density (g/cm3) | 1.1 |
| Dimethyl Sulphoxide, 99% Synthesis - Specification | |
| Description | A clear colourless liquid |
| Assay | Min. 99.0% |
| Water | Max. 0.2% |
| Solubility in water | Completely miscible |
| Wt. per ml at 20°C | 1.099 – 1.101 g |
| Melting point/Freezing point (°C) | 18°C |
| Boiling point (°C) | 188-190°C |
| Flash point (°C) | 86-88°C |
| Density (g/cm3) | 1.1 |
| Dimethyl Sulphoxide, ACS Reagent | |
| Synonyms | DMSO, Dimethyl sulfoxide, Methylsulfinylmethane, Methyl sulfoxide |
| Categories | Solvents,AR / GR chemical solvents |
| Assay | 99.9% |
| Appearance (Form) | Liquid |
| Appearance (Colour) | Colourless |
| Melting point | 16-19 °C (lit.) |
| Refractive index | n20/D 1.479 (lit.) |
| Boiling point | 189 °C(lit.) |
| Density | 1.1004 g/cm3 |
Safety Information
- WGK Germany 1
- RTECS PV6210000
- Flash Point(F) 188.6 °F
- Flash Point(C) 87 °C