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Cyanogen																				Related Pages
Synonyms & Trade Names
			Carbon nitride, Dicyan, Dicyanogen, Ethanedinitrile, Oxalonitrile
CAS No.
			460-19-5
	RTECS No.
			GT1925000
	DOT ID & Guide
			1026 119

FormulaNCCN
	Conversion
			1 ppm = 2.13 mg/m3
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELTWA 10 ppm (20 mg/m3)
					OSHA PEL none See Appendix G
	Measurement Methods
			**OSHA** PV2104
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless gas with a pungent, almond-like odor.
					[Note: Shipped as a liquefied compressed gas. Forms cyanide in the body.]													
										
Molecular Weight52.0	
	Boiling Point-6°F
	Freezing Point-18°F
	Solubility1%
	Vapor Pressure(70°F): 5.1 atm
	Ionization Potential13.57 eV											
Specific Gravity0.95 (Liquid at -6°F)	
	Flash PointNA (Gas)
	Upper Explosive Limit32%
	Lower Explosive Limit6.6%
	Relative Gas Density1.82
Flammable Gas
Incompatibilities & Reactivities
			Acids, water, strong oxidizers (e.g., dichlorine oxide, fluorine)
					[Note: Slowly hydrolyzed in water to form hydrogen cyanide, oxalic acid, or ammonia.]
Exposure Routes
			inhalation, skin and/or eye contact
Symptoms
			irritation eyes, nose, upper respiratory system; lacrimation (discharge of tears); cherry red lips, tachypnea, hypernea, bradycardia; headache, convulsions; dizziness, loss of appetite, weight loss; liquid: frostbite
Target Organs
			Eyes, respiratory system, central nervous system, cardiovascular system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Frostbite
							**Eyes:**Prevent eye contact/Frostbite
							**Wash skin:**No recommendation
							**Remove:**When wet (flammable)
							**Change:**No recommendation
							**Provide:**Frostbite wash
	First Aid
			(See procedures)**Eye:**Frostbite
							**Skin:**Frostbite
							**Breathing:**Respiratory support
Respirator Recommendations
			Not available.
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 1390

			
							

			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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