Dimethyl Sulphoxide AR
RA000042 CAS 67-68-5 AR
Dimethyl Sulphoxide AR (CAS 67-68-5) is a AR grade laboratory solvent. Pack sizes: 500 mL, 2.5 L, 25 L. Submit your requirement to request a quotation.
Identity
Synonyms: Methyl sulfoxide, DMSO, Sulfinylbis(methane), Dimethyl sulfoxide, Sulfinylbismethane
Classification
- Categories
- General Purpose Solvents primary
Technical Data
Properties
| Property | Value |
|---|---|
| Physical state at 20 °C | Liquid |
| Melting point/ Freezing point [°C] | 16 - 19 °C |
| Auto-ignition temperature [°C] | 215°C |
| Flash point [°C] | 87 °C |
| Boiling point [°C] | 189 °C |
| Vapour pressure [20°C] | 0.55 hPa at 20 °C |
| Density [g/cm3] | 1.1 g/cm3 |
| Solubility in water [% weight] | Completely miscible |
| Explosion limits - upper [%] | 42% |
| Explosion limits -lower [%] | 3.50% |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification |
|---|---|
| Appearance | A clear colorless liquid |
| Purity (GC method) | Min 99% |
| Weight/ mL at 20°C | 1.099 - 1.101g |
| Freezing point | 18 - 18.4 deg C |
| Refractive index (20°C; 589 nm) | 1.478 - 1.479 |
| Water | Max 0.1% |
| Non-volatile matter | Max 0.01% |
| Copper (Cu) | Max 0.0001% |
| Iron (Fe) | Max 0.0001% |
| Lead (Pb) | Max 0.0001% |
| Acidity | Max 0.0005 meq/g |
| Alkalinity | Max 0.0002 meq/g |
Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades. Grade of this product: AR.
Available grades
9 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 500 mL | RA000042-500ML |
| 2.5 L | RA000042-2.5L |
| 25 L | RA000042-25L |