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Monocrotophos

Synonyms & Trade Names
3-Hydroxy-N-methylcrotonamide dimethylphosphate, Monocron
CAS No.
6923-22-4
RTECS No.
TC4375000
DOT ID & Guide
2783 152 (organophosphorus pesticide, solid)
Formula
C7H14NO5P
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 0.25 mg/m3
OSHA PEL
†: none
Measurement Methods

NIOSH 5600;
OSHA PV2045
See: NMAM or OSHA Methods
Physical Description
Colorless to reddish-brown solid with a mild, ester odor. [insecticide]
MW:
223.2
BP:
257°F		 MLT: 129°F
Sol:
Miscible
VP:
0.000007 mmHg
IP:
?
Sp.Gr:
?
Fl.P:
>200°F
UEL:
?
LEL:
?
Combustible Solid
Incompatibilities & Reactivities
Metals, low molecular weight alcohols & glycols [Note: Corrosive to black iron, drum steel, stainless steel 304 & brass. Should be stored at 70-80°F.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, miosis, blurred vision; dizziness, convulsions; dyspnea (breathing difficulty); salivation, abdominal cramps, nausea, diarrhea, vomiting; in animals: possible teratogenic effects
Target Organs
Eyes, respiratory system, central nervous system, cardiovascular system, blood cholinesterase, reproductive system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0181
 

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