Cyanogen

Synonyms & Trade Names
Carbon nitride, Dicyan, Dicyanogen, Ethanedinitrile, Oxalonitrile
CAS No.
460-19-5
RTECS No.
DOT ID & Guide
1026 119
Formula
NCCN
Conversion
1 ppm = 2.13 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 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 Weight
52.0
Boiling Point
-6°F
Freezing Point
-18°F
Solubility
1%
Vapor Pressure
(70°F): 5.1 atm
Ionization Potential
13.57 eV
Specific Gravity
0.95 (Liquid at -6°F)
Flash Point
NA (Gas)
Upper Exposive Limit
32%
Lower Explosive Limit
6.6%
Relative Gas Density
1.82
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
See also
INTRODUCTION   ICSC CARD: 1390
Page last reviewed: October 17, 2018