TMPO Spin trapping reagent Solid cell permeable spin trap. Product Specification Alternative Name: 3,3,5,5-Tetramethyl-pyrroline-N-oxide, M4PO Formula: C8H15NO MW: 141.2 CAS: 10135-38-3 Purity: ≥98% (HPLC) Appearance: White to off-white crystalline solid. Solubility: Soluble in water, 100% ethanol, methanol or DMSO. Long Term Storage: -20°C Use/Stability: May discolor on exposure to light. Handling: Hygroscopic. |