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Diuron																				Related Pages
Synonyms & Trade Names
			3-(3,4-Dichlorophenyl)-1,1-dimethylurea, Direx®, Karmex®
CAS No.
			330-54-1
	RTECS No.
			YS8925000
	DOT ID & Guide

FormulaC6H3Cl2NHCON(CH3)2
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 10 mg/m3OSHA PEL none See Appendix G
	Measurement Methods
			**NIOSH** 5601;**OSHA** PV2097
					
					See: NMAM or OSHA Methods
										
Physical Description
			White, odorless, crystalline solid.
					[herbicide]													
										
Molecular Weight233.1	
	Boiling Point356°F (Decomposes)
	Melting Point316°F
	Solubility0.004%
	Vapor Pressure0.000000002 mmHg
	Ionization Potential?											
Specific Gravity?	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
Noncombustible Solid
Incompatibilities & Reactivities
			Strong acids
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
										
Personal Protection/Sanitation
			(See protection codes) **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
			Not available.
				Important additional information about respirator selection
See also
			INTRODUCTION

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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