ISOPA Properties, hazards and safety information for TDI http://isopa.org/media/1139/safety-information-tdi-april-2013.pdf
NIOSH pocket guide to chemical hazards: toluene-2,4-diisocyanate http://www.cdc.gov/niosh/npg/npgd0621.html
ATSDR Medical management information for toluene diisocyanate http://www.atsdr.cdc.gov/mmg/mmg.asp?id=1139&tid=245
US CDC NIOSH IDLH documentation for TDI http://www.cdc.gov/niosh/idlh/584849.html
USEPA IRIS assessment. 2,4-/2,6-toluene diisocyanate mixture https://cfpub.epa.gov/ncea/iris2/chemicalLanding.cfm?substance_nmbr=503
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Information on TDI; safe handling, transport, storage, disposal and emergency actions