4,4′-Dimethoxytrityl Chloride

[40615-36-9] C21H19ClO2 (MW 338.83) InChI = 1S/C21H19ClO2/c1-23-19-12-8-17(9-13-19)21(22,16-6-4-3-5-7-16)18-10-14-20(24-2)15-11-18/h3-15H,1-2H3 InChIKey = JBWYRBLDOOOJEU-UHFFFAOYSA-N (reagent used for the protection of hydroxyl, amino, and sulfhydryl groups1) Alternate Name: DMTr-Cl, 4,4′-dimethoxytriphenylmethyl chloride or di-p-anisylphenylmethyl chloride. Physical Data: mp 119–123 °C. Solubility: readily soluble in most organic solvents, mainly used in methylene chloride, THF, and pyridine. Form Supplied in: pink powder; widely available. Handling, Storage, and Precautions: Use in a well-ventilated hood with chemical safety goggles and rubber gloves. Do not breathe dust. Avoid prolonged or repeated exposure. Wash thoroughly after handling. It is an irritant. Keep tightly closed and refrigerate. Incompatible with strong oxidizing agents as well as strong bases. Toxic decomposition product is hydrogen chloride gas.