MMB (3-methoxy-3-methyl-1-butanol) is a unique and useful fine chemical produced by Kuraray. It is a clear, colourless and completely water-soluble liquid with a mild odour. Due to its high flash point, it is not classified as a flammable chemical under the present EU chemicals regulations. MMB is a great help for those who are concerned about the environmental issues and has received a great deal of attention in many industrial fields thanks to its low toxicity and good biodegradability.