... intermediate, is widely used in synthesis analgesia, tromethamine,antihistamine, resisting the heart rate,antipsychotics,antineoplastic and so on drug.HANDLING:Avoid breathing ... dust, vapor, mist, or gas. Avoid contact with skin and eyes.STORAGE:Store in a cool, dry place ... is widely used in synthesis analgesia, tromethamine,antihistamine, resisting the heart rate,antipsychotics