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Monocrotophos

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Synonyms & Trade Names
Azodrin®, 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 See Appendix G
Measurement Methods
NIOSH 5600;
OSHA PV2045
See: NMAM or OSHA Methods
Physical Description
Colorless to reddish-brown solid with a mild, ester odor. [insecticide]
Molecular Weight
223.2
Boiling Point
257°F
Melting Point
129°F
Solubility
Miscible
Vapor Pressure
0.000007 mmHg
Ionization Potential
?
Specific Gravity
?
Flash Point
>200°F
Upper Explosive Limit
?
Lower Explosive Limit
?
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   ICSC CARD: 0181
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health