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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)
Formula
CH3C(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
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
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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