Manitou MHT 10225, Repair Manual, Page: 93 / 105

(07/03/2012) 110-04-M184EN
110
4
OPTIONS - ATTACHMENTS CONTROL AND
ADJUSTMENT
FEATURES OF COOLANT R134a
Description Hydrofl uorocarbon
Use Coolant
Chemical features Tetrafl uoroethane 134a
Chemical formula CH2F-CF3
Physical state Liquifi ed gas
Colour Colourless
Odour Slightly ethereal
Boiling point (at atmospheric pressure) - 26.5 °C
Melting point - 101 °C
Density at 25°C 1.21 kg/l
Critical pressure 40.7 bar
Critical temperature + 101 °C
Weight in vapour state 5 times heavier than air
1 kg in liquid state less than 1 bar 200 l in gaseous state
Solubility of water in product 0.097% in weight
Thermal decomposition Starting from 110 °C
Hazardous decomposition products Halides of hydrogen and traces of carbonyl halides
Hazardous reactions With alkaline metals and alkaline-earth metal salts in powder form (Al-Zn-
Be …)
Flash point Non-fl ammable (very stable)
Ignition temperature Above 75 °C
Explosiveness limit less than or more than none
Ozone depletion potential None, ODP=0
PRECAUTIONS FOR HANDLING R134a
1 - Personal protection: Safety goggles and rubber gloves.
2 - First aid: In case of inhalation remove immediately to fresh air, administer oxygen and give artifi cial
respiration depending on the degree of the emergency (do not administer drugs). Get medical
attention. In case of contact with eyes, flush eyes with plenty of water for 15 minutes and get
medical attention. In case of contact with the skin, fl ush with plenty of clean water and remove
contaminated clothing.
3 - Storage conditions: Store the R134a liquid in a cool, dry well-ventilated place.
4 - Handling: Only in well-ventilated places.
5 - Accidental release measures: In case of exposure of liquid R134a to fi re, wear breathing apparatus.