Carbaryl
Synonyms & Trade Names
1-Naphthyl N-Methyl-carbamate, α-Naphthyl N-methyl-carbamate, Sevin®Exposure Limits
NIOSH REL
TWA 5 mg/m3OSHA PEL
TWA 5 mg/m3Physical Description
White or gray, odorless solid. [pesticide]Molecular Weight
201.2Boiling Point
DecomposesMelting Point
293°FSolubility
0.01%Vapor Pressure
(77°F): <0.00004 mmHgIonization Potential
?Specific Gravity
1.23Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NAIncompatibilities & Reactivities
Strong oxidizers, strongly alkaline pesticidesExposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contactSymptoms
Miosis, blurred vision, tear; rhinorrhea (discharge of thin nasal mucus), salivation; sweating; abdominal cramps, nausea, vomiting, diarrhea; tremor; cyanosis; convulsions; irritation skin; possible reproductive effectsTarget Organs
respiratory system, central nervous system, cardiovascular system, skin, blood cholinesterase, reproductive systemPersonal 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:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 50 mg/m3:
(APF = 10) Any supplied-air respirator*
Up to 100 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division