Methyl isocyanate mic will react with water, or in the presence of catalysts such as sodium. Methyl isocyanate is handled and transported as a very. If methyl isocyanate is involved in a fire it can release hydrogen cyanide. Uly 2015 5 guide to handling isocyanates difficulty in breathing tightness of the chest, coughing, wheezing and shortness of breath other asthmalike symptoms, and headache and discomfort. Skin designation methyl isocyanate cas 624839 can be absorbed through the skin. F, methyl isocyanate is a very flammable liquid that readily evaporates when exposed to air. Methyl isocyanate is on the hazardous substance list because it is regulated by osha and cited by acgih. If a worker develops respiratory symptoms consistent with isocyanate exposure, particularly wheezing, coughing or difficulty breathing, a medical practitioner should assess the relationship.
The bhopal accident and methyl isocyanate toxicity. Methyl isocyanate appears as a colorless lowboiling liquid b. Methyl isocyanate is irritating to the eyes, respiratory tract, and skin. Chemical stability incompatibility with other material reactivity hazardous reaction products 4. The science behind the asset ez4 sampler is based on dibutylamine dba impregnated glass fiber filters housed in a denuder and filter cassette.
Methyl isocyanate liquid is colorless with a pungent odor. Most people can smell methyl isocyanate vapors at levels as low as 2 to 5 ppm. Methyl isocyanate is a colorless liquid that has a sharp odor. In cases of severe exposure, later symptoms may include vomiting and diarrhea. Other reported technologies include an isocyanates free expanding foam product soudal, 2010 and a faster curing. Mica volatile, highly toxic chemical used in the production of carbamate pesticides and the agent responsible for. Identification methyl isocyanate is a volatile, colorless liquid with a strong. Methyl isocyanate is the isocyanate that is methane modified by a single isocyanato substituent. Methyl isocyanate ch3nco or c2h3no cid 12228 structure, chemical. The use and storage of methyl isocyanate mic at bayer. The bhopal accident, the worlds worst industrial disaster, in which nearly 40 metric tons of methyl isocyanate mic was released from the union carbide. Methyl isocyanate is a dot poison inhalation hazard pih.