Synonyms & Trade Namesp,p'-Dimethoxydiphenyltrichloroethane, DMDT, Methoxy-DDT, 2,2-bis(p-Methoxyphenyl)-1,1,1-trichloroethane, 1,1,1-Trichloro-2,2-bis-(p-methoxyphenyl)ethane
IDLHCa [5000 mg/m3]
Physical DescriptionColorless to light-yellow crystals with a slight, fruity odor. [insecticide]
Vapor PressureVery low
Upper Exposive Limit?
Lower Explosive Limit?
Incompatibilities & ReactivitiesOxidizers
Exposure Routesinhalation, ingestion
SymptomsIn Animals: fasciculation, trembling, convulsions; kidney, liver damage; [potential occupational carcinogen]
Target Organscentral nervous system, liver, kidneys
Cancer Site[in animals: liver & ovarian cancer]
Personal Protection/Sanitation(See protection codes)
Skin:Prevent skin contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
First Aid(See procedures)
Swallow:Medical attention immediately
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division