Methomyl |
Synonyms & Trade Names Lannate®, Methyl N-((methylamino)carbonyl)oxy)ethanimidothioate, S-Methyl-N-(methylcarbamoyloxy)thioacetimidate |
CAS No. 16752-77-5 |
RTECS No. AK2975000 |
DOT ID & Guide 2757 151 (carbamate pesticide, solid, toxic) |
FormulaCH3C(SCH3)NOC(O)NHCH3 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 2.5 mg/m3
OSHA PEL†: none |
Measurement Methods
NIOSH 5601
See: NMAM or OSHA Methods |
Physical Description White, crystalline solid with a slight, sulfur-like odor. [insecticide] |
MW: 162.2 |
BP: ? |
MLT: 172°F |
Sol(77°F): 6% |
VP(77°F): 0.00005 mmHg |
IP: ? |
| Sp.Gr(75°F): 1.29 |
Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid, but may be dissolved in flammable liquids. |
Incompatibilities & Reactivities Strong bases |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes; blurred vision, miosis; salivation; abdominal cramps, nausea, vomiting; dyspnea (breathing difficulty); lassitude (weakness, exhaustion), muscle twitching; liver, kidney damage |
Target Organs Eyes, respiratory system, central nervous system, cardiovascular system, liver, kidneys, blood cholinesterase |
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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
Provide: Quick drench |
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: 0177
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