Hexafluoroethane

  • Freon 116
  • Perfluoroethane
  • Ethane, hexafluoro
Formula
C2F6
Structure
Description
Hexafluoroethane is a colorless, odorless gas.

Registry Numbers and Inventories.
CAS
76-16-4
EC (EINECS/ELINCS)
200-939-8
RTECS
KI4110000
RTECS class
Other
UN (DOT)
2193
Beilstein/Gmelin
1740328
Beilstein Reference
4-01-00-00123
Swiss Giftliste 1
G-4149
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C2F6
Formula mass
138.02
Melting point, °C
-94
Boiling point, °C
-78.2
Vapor pressure, mmHg
23028 (25 C)
Vapor density (air=1)
4.823
Critical temperature
20
Critical pressure
30.03
Density
1.590 g/cm3 (-78C)
Solubility in water
Slightly soluble
Viscosity
0.014 cp (25 C)
Partition coefficient, pKow
2.00
Heat of fusion
2.7 kJ/mol
Heat of vaporization
16.2 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry location - away from heat. Protect from damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate chemical protective clothing.
Respirators
Wear positive pressure self-contained breathing apparatus.
Small spills/leaks
Attempt to stop leak if without undue personnel hazard. Use water spray to knock-down vapors.
Stability
Stable at normal temperatures and pressure.
Incompatibilities
Can react violently with strong reducing agents such as the very active metals and the active metals Can react with strong oxidizing agents or weaker oxidizing agents under extremes of temperature.
Decomposition
Oxides of carbon, hydrogen fluoride.

Fire.
Flash Point,°C
-61
Fire fighting
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Do not use water on material itself. Use water spray to knock-down vapors.
Fire potential
May burn but does not ignite readily.
Hazards
Containers may explode when heated. Ruptured cylinders may rocket.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
5
Exposure effects
   Ingestion
Unlikely to occur.
   Inhalation
Vapors may cause dizziness or asphyxiation without warning.
   Skin
Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. In case of contact with liquefied gas, thaw frosted parts with lukewarm water.
   Eyes
Wash with large amounts of water or normal saline until no evidence of chemical remains (at least 15-20 minutes). Get medical attention immediately.

Transport.
UN number
2193
Response guide
Hazard class
2.2
36. Halogenated hydrocarbons
Std. Transport #
4904511