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| DDT | CAS 50-29-3 | ||
| (C6H4Cl)2CHCCl3 | RTECS KJ3325000 | ||
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Synonyms & Trade Names p,p'-DDT; Dichlorodiphenyltrichloroethane; 1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane |
DOT ID & Guide 2761 151 |
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Exposure Limits |
NIOSH REL: Ca TWA 0.5 mg/m3 See Appendix A | ||
| OSHA PEL: TWA 1 mg/m3 [skin] | |||
| IDLH Ca [500 mg/m3] | Conversion | ||
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Physical Description Colorless crystals or off-white powder with a slight, aromatic odor. [pesticide] |
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MW: 354.5 |
BP: 230°F (Decomposes) |
MLT: 227°F |
Sol: Insoluble |
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VP: 0.0000002 mmHg |
IP: ? |
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Sp.Gr: 0.99 |
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Fl.P: 162-171°F |
UEL: ? |
LEL: ? |
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| Combustible Solid | |||
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Incompatibilities & Reactivities Strong oxidizers, alkalis |
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Measurement Methods NIOSH S274 (II-3) |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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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 a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin; paresthesia tongue, lips, face; tremor; anxiety, dizziness, confusion, malaise (vague feeling of discomfort), headache, lassitude (weakness, exhaustion); convulsions; paresis hands; vomiting; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, central nervous system, kidneys, liver, peripheral nervous system Cancer Site [in animals: liver, lung & lymphatic tumors] |
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| See also: INTRODUCTION |