Chlorpyrifos
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CAS
2921-88-2
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C9H11Cl3NO3PS
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RTECS
TF6300000
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Synonyms & Trade Names
Chlorpyrifos-ethyl; O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate; Dursban®
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DOT ID & Guide
2783 / 152
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Exposure
Limits
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NIOSH REL: TWA 0.2 mg/m3 ST 0.6 mg/m3 [skin]
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
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Physical Description
Colorless to white, crystalline solid with a mild, mercaptan-like odor. [pesticide] [Note: Commercial formulations may be combined with combustible liquids.]
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MW: 350.6
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BP: 320°F (Decomposes)
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MLT: 108°F
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Sol: 0.0002%
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VP: 0.00002 mmHg
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IP: ?
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Sp.Gr: 1.40 (Liquid at 110°F)
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Solid
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Incompatibilities & Reactivities
Strong acids, caustics, amines [Note: Corrosive to copper & brass.]
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Measurement Methods
NIOSH 5600; OSHA 62
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
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
Wheezing, laryngeal spasms, salivation; bluish lips, skin; miosis, blurred vision; nausea, vomiting, abdominal cramps, diarrhea
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Target Organs
respiratory system, central nervous system, peripheral nervous system, plasma cholinesterase
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See also: INTRODUCTION
See ICSC CARD: 0851 |
