Cyanogen
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CAS
460-19-5
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NCCN
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RTECS
GT1925000
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Synonyms & Trade Names
Carbon nitride, Dicyan, Dicyanogen, Ethanedinitrile, Oxalonitrile
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DOT ID & Guide
1026 / 119
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Exposure
Limits
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NIOSH REL: TWA 10 ppm (20 mg/m3)
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
1 ppm = 2.13 mg/m3
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Physical Description
Colorless gas with a pungent, almond-like odor. [Note: Shipped as a liquefied compressed gas. Forms cyanide in the body.]
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MW: 52.0
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BP: -6°F
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FRZ: -18°F
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Sol: 1%
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VP(70°F): 5.1 atm
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IP: 13.57 eV
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RGasD: 1.82
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Sp.Gr: 0.95 (Liquid at -6°F)
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Fl.P: NA (Gas)
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UEL: 32%
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LEL: 6.6%
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Flammable Gas
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Incompatibilities & Reactivities
Acids, water, strong oxidizers (e.g., dichlorine oxide, fluorine) [Note: Slowly hydrolyzed in water to form hydrogen cyanide, oxalic acid, or ammonia.]
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Measurement Methods
OSHA PV2104
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Frostbite
Eyes: Prevent eye contact/Frostbite
Wash skin: No recommendation
Remove: When wet (flammable)
Change: No recommendation
Provide: Frostbite wash
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First Aid (See procedures)
Eye: Frostbite
Skin: Frostbite
Breathing: Respiratory support
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, skin and/or eye contact
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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
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Target Organs
Eyes, respiratory system, central nervous system, cardiovascular system
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