1,1,1,2-TETRAFLUOROETHANE (ICSC)

1,1,1,2-TETRAFLUOROETHANE	ICSC: 1281

Date of Peer Review: March 1998

HFC 134a
(cylinder)

CAS #

811-97-2

C₂H₂F₄

RTECS #

KI8842500

Molecular mass: 102.03

UN #

3159

EC #

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames. NO contact with hot surfaces.	In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION			In case of fire: keep cylinder cool by spraying with water.

EXPOSURE
Inhalation	Dizziness. Drowsiness. Dullness.	Local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	ON CONTACT WITH LIQUID: FROSTBITE.	Cold-insulating gloves.	ON FROSTBITE: rinse with plenty of water, do NOT remove clothes.
Eyes		Safety goggles.
Ingestion

SPILLAGE DISPOSAL

PACKAGING & LABELLING

NEVER direct water jet on liquid. Do NOT let this chemical enter the environment. Chemical protection suit including self-contained breathing apparatus.

EU Classification
UN Classification
UN Hazard Class: 2.2

EMERGENCY RESPONSE

SAFE STORAGE

Transport Emergency Card: TEC (R)-20G2A

Fireproof. Keep in a well-ventilated room.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities Š IPCS, CEC 2004

SEE IMPORTANT INFORMATION ON BACK

1,1,1,2-TETRAFLUOROETHANE

ICSC: 1281

IMPORTANT DATA

PHYSICAL STATE; APPEARANCE:
COMPRESSED LIQUEFIED GAS, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: 1000 ppm, 4200 mg/mł; Peak limitation category: II(8); Pregnancy risk group: C; (DFG 2004).

ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation.

INHALATION RISK:
A harmful concentration of this gas in the air will be reached very quickly on loss of containment.

EFFECTS OF SHORT-TERM EXPOSURE:
Rapid evaporation of the liquid may cause frostbite. The substance may cause effects on the central nervous system and cardiovascular system, resulting in cardiac disorders.

PHYSICAL PROPERTIES

Boiling point: -26°C
Melting point: -101°C
Solubility in water: none
Vapour pressure, kPa at 25°C: 630
Relative vapour density (air = 1): 3.5

Octanol/water partition coefficient as log Pow: 1.06

ENVIRONMENTAL DATA

This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. through inappropriate disposal.

NOTES

Do NOT use in the vicinity of a fire or a hot surface, or during welding. Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.
Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Emergency Response.

ADDITIONAL INFORMATION

LEGAL NOTICE

Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information

Š IPCS, CEC 2004

    See Also:
       Toxicological Abbreviations
       Tetrafluoroethane, 1,1,1,2- (CICADS 11, 1998)