DMSO Store Dimethyl Sulfoxide is a super premium product packaged under cGMP guidlines which is the DMSO (Dimethyl Sulfoxide) is a very distinctive dipolar highly aprotic organic solvent with a freezing point of 64 Deg F. Our DMSO is sustainably sourced Pure Pharma Grade Dimethyl Sulfoxide is distilled and purified to remove DMS and any other contaminants leaving it odorless. A very interesting aspect of DMSO is its use in cryogenics. When water and DMSO are blended, a eutectic mixture results, which causes a significant difference in freezing point depression of water. When mixed at 50% w/w, the solution remians liquid at - 176 F.