INGREDIENT NAME WEIGHT% CAS NUMBER
1,1,1,2-Tetrafluoroethane 100 811-97-2
Trace impurities and additional material names not listed above may
also appear in section 15 toward the end of the MSDS these
materials may be lised for local”right-to-know”compliance and for
Emergency overview: Colorless, volatile liquid with ethereal and
faint sweetish odor. Non-flammable material. Overexposure may cause
dizziness and loss of concentration. At higher levels, CNS
depression and cardiac arrhythmia may result from exposure. Vapors
displace air and can cause asphyxiation in confined spaces. at
higher temperatures,(>250℃),decomposition product may include
hydrofluoric acid(HF) and carbonyl halides.
POTENTIAL HEALTH HAZARDS
SKIN : Irritation would result from a defeating action on tissue,
liquid with contact could cause frostbite
EYES : Liquid contact can cause severe irritation and frostbite
,mist may irritate.
INHALATION:R-134a is low in acute toxicity in animals. When oxygen
levels in air are reduced ot 12-14%by displacement, symptoms of
asphyxiation, loss of coordination, increased pulse rate and deeper
respiration will occur at high levels, cardiac arrhythmia may occur
INGESTION: Ingestion is unlikely because of the low boiling point
of the material. Should it occur, discomfort in the
gastrointestinal tract from rapid evaporation of the material and
consequent evolution of gas would result some effect of inhalation
and skin exposure would be expected.
Delayed effects : None known
Ingredients name: No ingredients listed in this section.
4． FIRST AID MEASURES:
SKIN: Promptly flush skin with water until all chemical is removed.
If there is evidence of frostbite, bathe (do not rub) with lukewarm
(not hot) water if water is not available, cover with a clean soft
cloth or similar covering. Get medical attention if symptoms
Eyes: Immediately flush eyes with large amounts of water for at
least 15minute (in case of frostbite, water should be lukewarm, not
hot) lifting eyelids occasionally to facilitate irrigation. get
medical attention if symptoms persist.
Inhalation: Immediately remove to fresh air. if breathing has
stopped, give artificial respiration. Use oxygen as required
.provided a qualified operator is available. get medical attention
immediately, do not give epinephrine (adrenaline).
Ingestion: ingestion unlikely because of the physical properties
and is not expected to be hazardous, do not induce vomiting unless
instructed to do so by a physician.
Advice to physician: because of the possible disturbances of
cardiac rhythm, catechlolamine drugs, such as epinephrine, should
be used with special caution and only in situations of emergency
life support treatment of overexposure should be directed at the
control of symptoms and the clinical
5． FIRE FIGHTING MEASURES:
Flash point: gas, not applicable per DOT regulations
Flash point method: not applicable
Auto ignition temperature: >750℃
Upper flame limit (volume % in air): None
Lower flame limit (volume % in air): None base on ASHRAE standard
34 with match ignition
Flame Propagation rate (solids): not applicable
OSHA Flammability class: Not applicable
Use any standard agent- choose the one most appropriate for type of
surrounding fire(material itself is not flammable)
Unusual fire and explosion hazards:
R134a is not flammable at ambient temperatures and atmospheric
pressure, however, this material will become combustible when mixed
with air under pressure and exposed to strong to ignition sources.
Contact with certain reactive metals may result in formation or
exothermic reactions under specific conditions (e.g. very high
temperatures and / or appropriate pressures).
6．ACCIDENTAL RELEASE MEASURE
In case of spill or other release :(always wear recommended
personal protective equipment)
Evacuate unprotected personnel. Protected personnel should remove
ignition sources and shut off leak ,if without risk and provide
ventilation unprotected personnel should not returm until air has
been tested and determined safe including low-lying areas.
|The name of the refrigerant||R-134a|
|The molecular weight||102.0|
|Saturated vapor pressure(25℃),kPa||661.9|
|Heat of vaporization/latent heat of evaporation(Under the boiling
|Destruction of the ozone ozeme depletion potential(ODP)||0|
|Global warming ozeme depletion potential(GWP,100 yr)||1300|
|ASHRAER - 134 - a refrigerant packaging||A1(Non-toxic incombustible)|