Dimethyl sulfoxide (DMSO), Cas # 67-68-5

Dimethyl sulfoxide (DMSO), Cas # 67-68-5 — a high-purity polar aprotic solvent commonly used across chemical and biological laboratories. (sigmaaldrich.com)

• Manufacturer: MOLEQULE-ON (New Zealand)
• Size: 500 ml
• Key properties: colorless liquid, miscible with water and many organic solvents; melting point ≈ 18 °C; boiling point ≈ 189 °C; density ≈ 1.10 g/mL. (tcichemicals.com)
• Typical applications: polar aprotic reaction solvent for nucleophilic substitutions and polymer chemistry, cryoprotectant for cell/tissue preservation and vitrification, PCR additive for GC-rich templates, and solvent in pharmaceutical and materials research. (chemicalbook.com)
• Purity & quality: commonly supplied at ≥99% purity; verify lot-specific Certificate of Analysis for analytical or cell-culture use. (sigmaaldrich.com)
• Handling & safety: readily absorbed through skin and can carry dissolved substances; may cause skin irritation and a characteristic garlic-like odor—use appropriate PPE, avoid skin contact, and consult the SDS before use. (chemicalbook.com)