Methoxychlor |
Synonyms & Trade Names p,p'-Dimethoxydiphenyltrichloroethane; DMDT; Methoxy-DDT; 2,2-bis(p-Methoxyphenyl)-1,1,1-trichloroethane; 1,1,1-Trichloro-2,2-bis-(p-methoxyphenyl)ethane |
CAS No. 72-43-5 |
RTECS No. KJ3675000 |
DOT ID & Guide 2761 151 (organochlorine pesticide, solid, toxic) |
Formula(C6H4OCH3)2CHCCl3 |
Conversion |
IDLH Ca [5000 mg/m3]
See: 72435 |
Exposure Limits NIOSH REL: Ca See Appendix A
OSHA PEL†: TWA 15 mg/m3 |
Measurement Methods
NIOSH S371 (II-4);
OSHA PV2038
See: NMAM or OSHA Methods |
Physical Description Colorless to light-yellow crystals with a slight, fruity odor. [insecticide] |
MW: 345.7 |
BP: Decomposes |
MLT: 171°F |
Sol: 0.00001% |
VP: Very low |
IP: ? |
Sp.Gr: 1.41 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Solid, but difficult to burn. |
Incompatibilities & Reactivities Oxidizers |
Exposure Routes inhalation, ingestion |
Symptoms In animals: fasciculation, trembling, convulsions; kidney, liver damage; [potential occupational carcinogen] |
Target Organs central nervous system, liver, kidneys |
Cancer Site[in animals: liver & ovarian cancer] |
Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: No recommendation
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
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First Aid (See procedures)
Skin: Soap wash
Breathing: Fresh air
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH 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 Escape:
(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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1306
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