Dimethyl sulfoxide - 41640
Code: 41640
Dimethyl sulfoxide
Puriss. p.a., ACS Reagent, ≥99.9% (GC)
DMSO
≥99.9%, ACS Reagent
CAS Number: 67-68-5
Linear Formula: (CH3)2SO
Molar Mass: 78.13 g/mol
Beilstein Registry Number: 506008
EC Number: 200-664-3
MDL Number: MFCD00002089
| Property |
Value |
| Appearance |
complying |
| Identity (NMR) |
complying |
| Assay (GC) |
min. 99.9 % |
| Refractive index (n 20/D) |
1.478 - 1.480 |
| Congealing - Freezing Point |
17.5 - 20.4 °C |
| Non-volatile matter |
max. 0.005 % |
| Water (Karl Fischer) |
max. 0.1 % |
| Acid (by titration) |
max. 0.001 meq/g |
| Free acid (as CH3COOH) |
max. 0.001 % |
| Aluminium (Al) |
max. 0.5 ppm |
| Barium (Ba) |
max. 0.1 ppm |
| Bismuth (Bi) |
max. 0.1 ppm |
| Calcium (Ca) |
max. 0.5 ppm |
| Cadmium (Cd) |
max. 0.05 ppm |
| Cobalt (Co) |
max. 0.02 ppm |
| Chromium (Cr) |
max. 0.02 ppm |
| Copper (Cu) |
max. 0.02 ppm |
| Iron (Fe) |
max. 0.5 ppm |
| Potassium (K) |
max. 0.5 ppm |
| Lithium (Li) |
max. 0.1 ppm |
| Magnesium (Mg) |
max. 0.1 ppm |
| Manganese (Mn) |
max. 0.02 ppm |
| Molybdenum (Mo) |
max. 0.1 ppm |
| Sodium (Na) |
max. 1 ppm |
| Nickel (Ni) |
max. 0.5 ppm |
| Lead (Pb) |
max. 0.1 ppm |
| Strontium (Sr) |
max. 0.1 ppm |
| Zinc (Zn) |
max. 0.1 ppm |
| Property |
Value |
| Refractive Index |
n20/D 1.479(lit.) |
| Autoignition Temperature |
573 °F |
| Explosion Limit |
42 %, 63 °F |
| Vapor Pressure |
0.42 mmHg ( 20 °C) |
| Vapor Density |
2.7 (vs air) |
| Boiling point |
189 °C |
| Freezing point |
18.5 °C |
| Density |
1.104 g/cm3 |
