Technical data

1.7 Material Safety Data
1-4 035B40022-000
Refrigerant Data:
Safety Data R22, R407C
Toxicity Low.
In contact with skin Liquid splashes or spray may cause freeze burns. Unlikely to be hazardous
by skin absorption. R22 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. Was 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 R22: High levels of vapour
concentration initially produce
stimulation and then depression of
the central nervous system causing
headaches and giddiness and may
lead to unconsciousness. Can prove
suddenly fatal if the exposure has
been severe.
R407C: High atmospheric
concentrations may lead
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 artificial 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 arrhythmias and
subsequent arrest following exposure to high concentrations.
Long term exposure R22: A lifetime inhalation study in
rats and mice give a small excess in
salivary gland tumours in male rats
only at 50,000 ppm. 10,000 ppm
showed no effect. This information
suggests that R22 does not
represent a carcinogenic hazard to
humans.
R407C: 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
R22: Recommended limit :
1000 ppm v/v - 8 hr TWA 1250 ppm
v/v - 12 hr TWA.
R407C: Recommended limit: 1000
ppm v/v - 8 hr TWA.
Stability R22: Unstable. R407C: Not specified.
Conditions to avoid Use in presence of naked flames, red hot surfaces and high moisture
levels.