MSDS

Shandong Dongyue Chem. CO., LTD.
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Ignition temperature : > 743 °C (> 1,369 °F) at 1,013 hPa
Lower explosion limit : Method : None per ASTM E681
Upper explosion limit : Method : None per ASTM E681
Fire and Explosion Hazard : Hazardous thermal decomposition products:
Carbon oxides
Hydrogen fluoride
Carbonyl fluoride
Cylinders are equipped with pressure and
temperature relief devices, but may still rupture
under fire conditions. Decomposition may occur.
Contact of welding or soldering torch flame with
high concentrations of refrigerant can result in
visible changes in the size and colour ofthe torch
flame. This flame effect will only occur in
concentrations of productwell above the
recommended exposure limit. Therefore stop all
workand ventilate to disperse refrigerant vapors from
the work area before using any open flames.
HFC-134a is not flammable in air at temperatures up
to 100 deg. C (212 deg. F) at atmospheric pressure.
However, mixtures of HFC-134a with high
concentrations of air at elevated pressure and/or
temperature can become combustible in the presence
of an ignition source. HFC-134a can also become
combustible in an oxygen enriched environment
(oxygen concentrations greater than that in air).
Whether amixture containing HFC-134a and air, or
HFC-134a in an oxygen enriched atmosphere
become combustible depends on the
inter-relationship of 1)the temperature 2) the
pressure, and 3) the proportion of oxygen in the
mixture. In general, HFC-134a should not be
allowed to exist with air above atmospheric pressure
or at high temperatures; or in an oxygen enriched
environment. For example HFC-134a should NOT
be mixed with air under pressure for leak testing or
other purposes. Experimental data have also been
reported which indicate combustibility of this
substance in the presence of certain concentrations of
chlorine.
Suitable extinguishing media : Use extinguishing measures that are appropriate
to local circumstances and the surrounding
environment.
Firefighting Instructions : Cool containers/tanks with water spray.