NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

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. See: IDLH INDEX
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; OSHA PV2107
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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
Not available.
Important additional information about respirator selection
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   See ICSC CARD: 0382   See MEDICAL TESTS: 0071