MCHM is the common abbreviation for the chemical involved, is used un several industries, cellulose ester solvent, in lacquers, resins, oils, and waxes, as an antioxidant for lubricants, as a blending agent for textile soaps, and patented as an air freshener.

You may be using it in your home.

All this in addition to its use in a froth flotation method for cleaning coal and other mined substances.