NIOSH Pocket Guide to Chemical Hazards

Diuron

CAS 330-54-1

C6H3Cl2NHCON(CH3)2

RTECS YS8925000
Synonyms & Trade Names
3-(3,4-Dichlorophenyl)-1,1-dimethylurea; Direx®; Karmex®
DOT ID & Guide

Exposure
Limits

NIOSH REL: TWA 10 mg/m3
OSHA PEL†: none
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
White, odorless, crystalline solid. [herbicide]
MW: 233.1
BP: 356°F (Decomposes)
MLT: 316°F
Sol: 0.004%
VP: 0.000000002 mmHg
IP:?

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

Noncombustible Solid
Incompatibilities & Reactivities
Strong acids
Measurement Methods
NIOSH 5601; OSHA PV2097
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: Daily
Remove: No recommendation
Change: Daily

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, nose, throat; in animals: anemia, methemoglobinemia
Target Organs Eyes, skin, respiratory system, blood
See also: INTRODUCTION