Dimethyl sulfoxide
CAS Number: 67-68-5
Chemical Formula: C2H6OS
Synonyms
METHYLSULFOXIDE
DMSO
DIMETHYLSULFOXIDE
SULFOXIDE, DIMETHYL-
Appearance: Clear Liquid
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Dimethyl sulfoxide CAS#67-68-5
Dimethyl sulfoxide (DMSO) is a highly polar, colorless, and odorless aprotic solvent. It dissolves both polar and nonpolar compounds and is miscible with a wide range of organic solvents as well as water. DMSO features excellent penetrating ability, which allows it to pass through skin and biological membranes easily. It is widely used in chemical synthesis, pharmaceutical manufacturing, biological research, and as a reaction medium or solubilizing agent in various industrial processes.
Parameters
| Property | Value |
| Melting point | 18.4 °C (lit.) |
| Boiling point | 189 °C (lit.) |
| density | 1.100 g/mL at 25 °C |
| refractive index | n20/D 1.477 |
| storage temp. | Room Temperature |
| solubility | Miscible with water, ethanol, acetone, ether |
| pka | 35.1 (in DMSO) |
| form | Liquid |
| color | Colorless |
| PH | 6–8 (25℃, 1M in H2O) |
| Water Solubility | Miscible |
| Stability | Stable under normal conditions |
| InChIKey | IYZDFCAGOISJTF-UHFFFAOYSA-N |
| LogP | -1.35 |
| CAS DataBase Reference | 67-68-5 (CAS DataBase Reference) |
Safety Information
| Item | Value |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-24/25 |
| WGK Germany | 1 |
| RTECS | PV6210000 |
| TSCA | TSCA listed |
| HS Code | 29309090 |
Product Application of Dimethyl sulfoxide CAS#67-68-5
DMSO is widely applied as a universal solvent in organic synthesis and pharmaceutical research. It serves as a penetration enhancer in topical formulations, a cryoprotectant for cell cultures, and a reaction medium in polymer and fine chemical production. It is also used in electronics, paint strippers, and as an agricultural additive.
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