Trifluoroacetonitrile

  • 2,2,2-Trifluoroacetonitrile
  • Cyanotrifluoromethane
  • Perfluoroacetonitrile
  • Trifluoromethylcarbonitrile
  • Trifluoromethyl cyanide
Formula
C2F3N
Structure
Description
colorless gas

Registry Numbers and Inventories.
CAS
353-85-5
EC (EINECS/ELINCS)
206-542-6
UN (DOT)
1955
Beilstein/Gmelin
1742942
Beilstein Reference
4-02-00-00472
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C2F3N
Formula mass
95.02
Boiling point, °C
-64
Vapor pressure, mmHg
16200 (25 C)
Vapor density (air=1)
3.3
Solubility in water
Soluble
Partition coefficient, pKow
1.08
Heat of vaporization
18.7 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Cylinder temperature should not exceed 125 F (52 C).
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator in nonventilated areas and/or for exposure above the TLV or PEL.
Small spills/leaks
Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Decomposition
Carbon monoxide, Nitrogen oxides, Hydrogen fluoride, Hydrogen cyanide.

Fire.
Flash Point,°C
-85
Fire fighting
Extinguish using Use water spray or fog nozzle to keep cylinder cool. Move cylinder away from fire if there is no risk. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
4
 
Flammability
0
 
 
Reactivity
1
 

Health.
Exposure effects
Very toxic by inhalation. nonflammable high-pressure liquid and gas.
   Ingestion
May be harmful if swallowed.
   Inhalation
May be fatal if inhaled. Material may be irritating to mucous membranes and upper respiratory tract. Can cause rapid suffocation.
   Skin
May cause skin irritation. Skin contact may produce local frostbite, anesthesia and also may be irritating due to defatting action. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
1955
Response guide
Hazard class
2