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Methomyl																				Related Pages
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 RELTWA 2.5 mg/m3OSHA PEL none See Appendix G
	Measurement Methods
			**NIOSH** 5601
					
					See: NMAM or OSHA Methods
										
Physical Description
			White, crystalline solid with a slight, sulfur-like odor.
					[insecticide]													
										
Molecular Weight162.2	
	Boiling Point?
	Melting Point172°F
	Solubility(77°F): 6%
	Vapor Pressure(77°F): 0.00005 mmHg
	Ionization Potential?											
Specific Gravity(75°F): 1.29	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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
					  ICSC CARD: 0177

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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