Massachusetts Chemical Fact Sheets
Massachusetts Chemical Fact Sheets describe the hazards, exposure routes, uses and alternatives, and regulatory context for selected chemicals, including those on the Toxics Use Reduction Science Advisory Board's list of 'more hazardous chemicals.'
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Toluene-2,6-diisocyanate (2,6-TDI), toluene-2,4-diisocyanate
(2,4-TDI), and toluene diisocyanate mixed isomers are the
three forms of TDI commonly used in commerce. Acute
exposure to TDIs can result in severe skin, eye, lung, and
throat irritation. TDIs are possible carcinogens and may be
teratogens (reproductive hazards). Workplaces are the primary
source of exposure to TDIs, which are intermediary chemicals
in the manufacture of polyurethanes. In Massachusetts,
businesses used 7.4 million pounds of TDIs in 1998.
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Trichloroethylene is a man-made solvent. One of this solvents major uses is a cleaning agent. TCE has been listed by the EPA as a probable human carcinogen and a possible reproductive hazard (teratogen). Acute exposure to TCE affects the central nervous system, the kidneys and the liver. Because of its potential health effects, this chemical is regulated throughout its lifecycle. Many uses are heavily restricted due to its toxicity.
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