NIOSH Pocket Guide to Chemical Hazards

Benomyl CAS 17804-35-2
C14H18N4O3 RTECS DD6475000
Synonyms & Trade Names
Methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate
DOT ID & Guide
2757 151 (carbamate pesticide, solid)
Exposure
Limits
NIOSH REL: See Appendix D
OSHA PEL�: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. Conversion
Physical Description
White crystalline solid with a faint, acrid odor. [fungicide] [Note: Decomposes without melting above 572°F.]
MW: 290.4
BP: Decomposes
MLT: >572°F (Decomposes)
Sol: 0.0004%
VP: <0.00001 mmHg
IP: NA

Sp.Gr: ?
Fl.P: NA
UEL: NA
LEL: NA

Noncombustible Solid
Incompatibilities & Reactivities
Heat, strong acids, strong alkalis
Measurement Methods
NIOSH 0500, 0600
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, upper respiratory system; skin sensitization; possible reproductive, teratogenic effects
Target Organs Eyes, skin, respiratory system, reproductive system
See also: INTRODUCTION