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Cyanogen chloride

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Synonyms & Trade Names
Chlorcyan, Chlorine cyanide, Chlorocyanide, Chlorocyanogen
CAS No.
506-77-4
RTECS No.
GT2275000
DOT ID & Guide
1589 125(inhibited)
Formula
ClCN
Conversion
1 ppm = 2.52 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
C 0.3 ppm (0.6 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
None available
See: NMAM or OSHA Methods
Physical Description
Colorless gas or liquid (below 55°F) with an irritating odor. [Note: Shipped as a liquefied gas. A solid below 20°F. Forms cyanide in the body.]
Molecular Weight
61.5
Boiling Point
55°F
Freezing Point
20°F
Solubility
7%
Vapor Pressure
1010 mmHg
Ionization Potential
12.49 eV
Specific Gravity
1.22 (Liquid at 32°F)
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Relative Gas Density
2.16
Nonflammable Gas
Incompatibilities & Reactivities
Water, acids, alkalis, ammonia, alcohols [Note: Can react very slowly with water to form hydrogen cyanide. May be stabilized to prevent polymerization.]
Exposure Routes
inhalation, skin absorption (liquid), ingestion (liquid), skin and/or eye contact (liquid)
Symptoms
irritation eyes, upper respiratory system; cough, delayed pulmonary edema; lassitude (weakness, exhaustion), headache, dizziness, confusion, nausea, vomiting; irreg heartbeat; irritation skin (liquid)
Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact (liquid)
Eyes:Prevent eye contact (liquid)
Wash skin:When contaminated (liquid)
Remove:When wet or contaminated (liquid)
Change:No recommendation
Provide:Eyewash (liquid), Quick drench (liquid)
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Water wash immediately (liquid)
Breathing:Respiratory support
Swallow:Medical attention immediately (liquid)
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1053
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health