1-Ethynylcyclohexanamine

  • 1-Ethynyl-1-aminocyclohexane
  • 1-Amino-1-ethynylcyclohexane
Formula
C8H13N
Structure
Description
Colorless to amber liquid with a characteristic organic odor.

Registry Numbers and Inventories.
CAS
30389-18-5
EC (EINECS/ELINCS)
250-172-8
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C8H13N
Formula mass
123.20
Boiling point, °C
163
Vapor pressure, mmHg
2.1 (25 C)
Critical temperature
422
Critical pressure
42.1
Density
0.93 g/cm3 (20 C)
Solubility in water
Soluble
Refractive index
1.482
pKa/pKb
6.24 (pKb)
Partition coefficient, pKow
1.49
Heat of vaporization
39.9 kJ/mol

Hazards and Protection.
Protection
Wear goggles, rubber gloves, protective clothing. Use only with adequate ventilation and/or suitable respiratory protection. Avoid all contact.
Small spills/leaks
Ventilate area, equip personnel with respirator and protective clothing. Take up spill in absorbent, dispose to incinerator or other suitable hazardous waste.

Fire.
Flash Point,°C
42
Fire fighting
Firefighters wear SCBA and full protective gear. Extinguish with carbon dioxide, dry chemical powder, foam, water spray or fog.
Fire potential
Flammable, corrosive liquid.
Combustion products
Will emit toxic fumes of nitrogen oxides, carbon monoxide and carbon dioxide.

Health.
Exposure effects
Vapor, mist and liquid is irritating to the skin, eyes and mucous membranes. Expect to be harmful if swallowed, inhaled or absorbed through skin. Causes burns. Signs and Symptoms of Exposure: Burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.

First aid
 
   Ingestion
Seek medical attention at once.
   Inhalation
Remove to fresh air. If not breathing give mouth to mouth resuscitation. If breathing is difficult, give oxygen. Seek medical attention at once.
   Skin
Wash thoroughly with soap and water, while removing clothing. Seek medical attention.
   Eyes
Flush with plenty of water for at least fifteen minutes. Seek medical attention immediately.

Transport.