What are the properties of DMSO (CAS 67-68-5)?

What are the properties of DMSO (CAS 67-68-5)?

CAS 67-68-5 Dimethyl sulfoxide (DMSO) is a highly polar, water-miscible organic liquid. It is essentially odourless and has a low level of toxicity. It is a dipolar aprotic solvent with a relatively high boiling point.

DMSO Physical and chemical properties

• Appearance: A clear, colorless liquid that can have a faint, essentially odorless, or slightly garlic-like odor.
• Polarity: It is a highly polar, aprotic solvent, often called a "super solvent" due to its strong dissolving ability.
• Solvency: It is miscible with water in all proportions and dissolves most organic compounds, inorganic salts, and gases.
• Boiling point: 189.0'C (372.2°).
• Freezing point: 18.54'C (65.37 F)
• Density: 1.1004 g/mL at 20'C.
• Hygroscopic: lt readily absorbs moisture from the air.

What is DMSO Dimethyl Sulfoxide used for?

• Industrial solvent: Dimethyl Sulfoxide DMSO is used in the fabrication of microelectronics, the spinning of polymers, and as a paint stripper.
• Chemical solvent: Its polar aprotic nature makes it ideal for many organic synthesis reactions, such as SN2 and nucleophilic substitutions.
• Pharmaceutical agent: It is used as a topical analgesic for conditions such as interstitial cystitis, and as a vehicle to enhance the absorption of other drugs through the skin (a transdermal penetration enhancer).
• Dimethyl Sulfoxide (CAS 67-68-5) is also used as a cryoprotectant to preserve cells, tissues and organs (such as stem cells and bone marrow) at very low temperatures.
• Laboratory applications: It is a common solvent for NMR spectroscopy and for dissolving a wide range of compounds for analysis.

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