Specifications

11
JOHNSON CONTROLS
Form 201.28-NM1.EN.PED/CE (0211)
1
MATERIAL SAFETY DATA
Refrigerant Data:
Safety Data 134a
Toxicity Low
In contact with skin Liquid splashes or spray may cause freeze burns. Unlikely to be hazardous by skin
absorption. R134a may be slightly irritant and liquid has a degreasing effect. Thaw affected
areas with water. Remove contaminated clothing carefully — may adhere to skin in case of
freeze burns. Wash affected areas with plenty of warm water. If symptoms occur (irritation or
blistering) obtain medical attention.
In contact with eyes Vapour has no effect. Liquid splashes or spray may cause freeze burns. Immediately irrigate
with eyewash solution or clean water for at least 10 minutes. Obtain immediate medical
attention.
Ingested Highly unlikely to occur — but should this occur freeze burn will occur. Do not induce
vomiting. Provided patient is conscious, wash mouth with water and give about 250 ml (0.5
pint) to drink. Obtain immediate medical attention.
Inhalation High atmospheric concentrations may have an anaesthetic effect, including loss of
consciousness. Very high exposures may cause an abnormal heart rhythm and prove
suddenly fatal.
At higher concentration there is a danger from asphyxiation due to reduced oxygen content
of atmosphere. Remove patient to fresh air, keep warm and at rest. Administer oxygen if
necessary. Apply artifi cial respiration if breathing has ceased or shows signs of failing. In
event of cardiac arrest apply external cardiac massage. Obtain immediate medical attention.
Further medical advice Symptomatic and supportive therapy is indicated. Cardiac sensitisation has been described
which may, in the presence of circulating catecholamines such as adrenalin, give rise to
cardiac arrhythmia’s and subsequent arrest following exposure to high concentrations
Long term exposure A lifetime inhalation study in rats has shown that exposure to 50,000 ppm resulted in benign
tumours of the testis. This is not considered to be of relevance to humans exposed to
concentrations at or below the occupational exposure limit.
Occupational exposure
limits
Recommended limit: 1000 ppm v/v - 8 hr TWA.
Stability Not specifi ed.
Conditions to avoid Use in presence of naked fl ames, red hot surfaces and high moisture levels.
Hazardous reactions May react violently with sodium, potassium, barium and other alkali and alkaline earth
metals. Incompatible materials: Magnesium and alloys containing more then 2%
magnesium.
Hazardous
decomposition products
Halogen acids by thermal decomposition and hydrolysis.
General precautions Avoid inhalation of high concentrations of vapours. Atmospheric concentrations should be
minimised and kept as low as reasonably practicable below the occupational exposure limit.
The vapour is heavier than air and collects at low level and in confi ned areas. Ventilate by
extraction at lowest levels.
Respiratory protection Where doubt exists on atmospheric concentration, HSE approved breathing apparatus
should be worn. This should be self contained or of the long breather type.
Storage Keep containers dry and in a cool place away from fi re risk, direct sunlight, and all sources
of heat such as radiators. Keep at temperatures not exceeding 45 °C.
Protective clothing Wear overalls, impervious gloves and goggles/face protection.
Spill/leak procedure Ensure suitable personal protective clothing and respiratory protection is worn. Provided it
is safe to do so, isolate the source of the leak. Allow small spillage’s to evaporate provided
there is suitable ventilation.
Large spillage’s: Ventilate area. Contain spillage’s with sand, earth or any suitable absorbent
material. Prevent liquid from entering drains, sewers, basements and work pits since vapour
may create a suffocating atmosphere.