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Dicyclopentadiene																				Related Pages
Synonyms & Trade Names
			Bicyclopentadiene, DCPD, 1,3-Dicyclopentadiene dimer, 3a,4,7,7a-Tetrahydro-4,7-methanoindene
					[Note: Exists in two stereoisomeric forms.]
CAS No.
			77-73-6
	RTECS No.
			PC1050000
	DOT ID & Guide
			2048 130

FormulaC10H12
	Conversion
			1 ppm = 5.41 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 5 ppm (30 mg/m3)
					OSHA PEL none See Appendix G
	Measurement Methods
			**OSHA** PV2098
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless, crystalline solid with a disagreeable, camphor-like odor.
					[Note: A liquid above 90°F.]													
										
Molecular Weight132.2	
	Boiling Point342°F
	Freezing Point90°F
	Solubility0.02%
	Vapor Pressure1.4 mmHg
	Ionization Potential?											
Specific Gravity0.98 (Liquid at 95°F)	
	Flash Point(oc) 90°F
	Upper Explosive Limit6.3%
	Lower Explosive Limit0.8%
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.Combustible Solid
Incompatibilities & Reactivities
			Oxidizers
					[Note: Depolymerizes at boiling point and forms two molecules of cyclopentadiene. Must be inhibited and maintained under an inert atmosphere to prevent polymerization.]
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, nose, throat; incoordination, headache; sneezing, cough; skin blisters; In Animals: kidney, lung damage
Target Organs
			Eyes, skin, respiratory system, central nervous system, kidneys
										
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:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Soap flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			Not available.
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0873

			
							

			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
First Aid Procedures Follow NIOSH Facebook
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