# 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. | 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
Personal Protection & Sanitation 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
Respirator Recommendations To be added later
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