Proper containment of small quantities of DHMO:-
Note the Chemical Registry number, as well as the NFPA 704 "Fire Diamond" which clearly indicates the extent of the three categories of hazards (Health hazard, Reactivity hazard and Flammability hazard) which could be created by a small scale spill of DHMO.
I do maintain a cylindrical "spill kit" at the ready, composed of a specific grade and configuration of absorbent cellulose fiber.
Best regards, Spehro Pefhany