What is the molecular structure of dimethyl sulfoxide (CAS:67-68-5)?

properties of dimethyl sulfoxide (CAS67-68-5)

• Name: Dimethyl sulfoxide/DMSO
• CAS Number: 67-68-5
• Molecular Weight: 78.13 g/mol
• Appearance: Colorless liquid
• Density: 1.10 g/cm³
• Boiling Point: 189 °C
• Melting Point: 18.5 °C
• Refractive Index: 1.477 (20 °C)
• Molecular Structure:C₂H₆OS

dmso dimethyl sulfoxide uses

Solvent Applications:

• As a non-protonic polar solvent, it is widely used in organic synthesis, polymerization (e.g., acrylonitrile, polyurethane), and fiber dyeing.
• Dissolves transition metal halides for application in organic electrochemistry.

Pharmaceutical Applications:

• Enhances transdermal drug absorption in topical delivery systems.
• Serves as a permeability enhancer to reduce cellular ice crystal damage.
• Antioxidant: Scavenges free radicals to mitigate oxidative stress damage.

Agriculture and Industry:

• Pesticide synergist enhancing foliar fertilizer absorption rates.
• Electronic component cleaner capable of removing diverse organic and inorganic contaminants.

Electronics and New Materials:
Electronic-grade applications:
Semiconductor wafer cleaning agent, removing organic contaminants and metal ion residues;
Key process reagent for photoresist stripping and microelectronics manufacturing.

New Energy Materials:
Electrolyte additive for lithium-ion batteries/supercapacitors, enhancing electrochemical performance.

Advanced Material Processing:
Solvent for carbon fiber production;
Reaction medium for polymer synthesis and modification.

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