Methylene chloride is a colourless liquid with a penetrating ether-like odour. It is essentially non-flammable under most conditions of use, but it can probably burn if strongly heated. It can decompose at high temperatures forming toxic gases, such as hydrogen chloride and phosgene. It is TOXIC. It is also a mild central nervous system depressant. Methylene chloride may cause headache, nausea, dizziness, drowsiness, incoordination and confusion, unconsciousness and death. It also causes skin and eye irritation. Methylene chloride is a POSSIBLE CANCER HAZARD - may cause cancer, based on animal information.