DMSO Dimethyl Sulfoxide 3.4 Oz | Pharma Grade, High Purity, Low Odor, Tested por | Jul 25, 2026Premium Pure Liquid DMSO – 99.9% Purity. 99.9% Pure DMSO: Available in both liquid and solid/crystal states, with a freezing point of 18.5 °C (65.3 °F). At the core of our mission is a dedication to quality and transparency.