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Diquat (Diquat dibromide)																				Related Pages
Synonyms & Trade Names
			Diquat dibromide, 1,1'-Ethylene-2,2'-bipyridyllium dibromide
					[Note: Diquat is a cation (C12H12N2++; 1,1'-Ethylene-2,2-bipyridyllium ion). Various diquat salts are commercially available.]
CAS No.
			85-00-7
	RTECS No.
			JM5690000
	DOT ID & Guide
			2781 151(solid)2782 131(liquid)

FormulaC12H12N2Br2
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 0.5 mg/m3OSHA PEL none See Appendix G
	Measurement Methods
			None available 
					
					See: NMAM or OSHA Methods
										
Physical Description
			Dibromide salt: Yellow crystals.
					[herbicide] [Note: Commercial product may be found in a liquid concentrate or a solution.]													
										
Molecular Weight344.1	
	Boiling PointDecomposes
	Melting Point635°F
	Solubility70%
	Vapor Pressure<0.00001 mmHg
	Ionization Potential?											
Specific Gravity1.22-1.27	
	Flash Point?
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid, but does not readily ignite and burns with difficulty.
Incompatibilities & Reactivities
			Alkalis, UV light, basic solutions
					[Note: Concentrated diquat solutions corrode aluminum.]
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, mucous membrane, respiratory system; rhinorrhea (discharge of thin nasal mucus), epistaxis (nosebleed); skin burns; nausea, vomiting, diarrhea, malaise (vague feeling of discomfort); kidney, liver injury; cough, chest pain, dyspnea (breathing difficulty), pulmonary edema; tremor, convulsions; delayed healing of wounds
Target Organs
			Eyes, skin, respiratory system, kidneys, liver, central nervous system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated
							**Change:**Daily
							**Provide:**Quick drench
	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
					  ICSC CARD: 1363

			
							

			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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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
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