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Cyanamide

Synonyms & Trade Names
Amidocyanogen, Carbimide, Carbodiimide, Cyanogen nitride, Hydrogen cyanamide [Note: Cyanamide is also a synonym for Calcium cyanamide.]
CAS No.
420-04-2
RTECS No.
GS5950000
DOT ID & Guide
Formula
NH₂CN
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 2 mg/m3
OSHA PEL
none See Appendix G
Measurement Methods
NIOSH 0500
See: NMAM or OSHA Methods
Physical Description
Crystalline solid.
Molecular Weight
42.1
Boiling Point
500°F (Decomposes)
Melting Point
113°F
Solubility
(59°F): 78%
Vapor Pressure
?
Ionization Potential
10.65 eV
Specific Gravity
1.28
Flash Point
286°F
Upper Exposive Limit
?
Lower Explosive Limit
?
Combustible Solid
Incompatibilities & Reactivities
Above 104°F: Moisture, acids, or alkalis; 1,2-phenylene diamine salts [Note: Polymerization may occur on evaporation of aqueous solutions.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; eye, skin burns; miosis, salivation, lacrimation (discharge of tears), twitching; Antabuse-like effects
Target Organs
Eyes, skin, respiratory system, central nervous system
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:Water flush immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0424

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