DDT
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CAS
50-29-3
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(C6H4Cl)2CHCCl3
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RTECS
KJ3325000
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Synonyms & Trade Names
p,p'-DDT; Dichlorodiphenyltrichloroethane; 1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane
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DOT ID & Guide
2761 / 151
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Exposure
Limits
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NIOSH REL: Ca TWA 0.5 mg/m3 See Appendix A
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OSHA PEL: TWA 1 mg/m3 [skin]
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IDLH
Ca [500 mg/m3]
See: 50293
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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
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BP: 230°F (Decomposes)
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MLT: 227°F
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Sol: Insoluble
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VP: 0.0000002 mmHg
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IP: ?
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Sp.Gr: 0.99
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Fl.P: 162-171°F
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UEL: ?
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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)
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
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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 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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 0034 See MEDICAL TESTS: 0065
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