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Tetrafluoroethane R134a
molecular formula: CH2FCF3 UN Number: 3159 risk grades: 2.2
Physical property:
molecular weight | 102.03 |
boiling point, ℃ | -26.1 |
freezing point ℃ | - |
critical temperature, ℃ | 101.1 |
critical pressure, Mpa | 4.07 |
saturation liquid density 25℃ , (g/cm3) | 1.207 |
liquid specific heat 25℃ , [KJ/(Kg·℃)] | 1.51 |
solubility ( in water, 25℃ )% | 0.15 |
ODP | 0.000 |
GWP | 0.29 |
critical density, g/cm3 | 0.512 |
boiling point evaporation potential, KJ/Kg | 215.0 |
Quality index(GB/T 18826-2002) :
| item | superior grade | qualified product |
purity %≥ | 99.9 | 99.5 |
moisture, %≤ | 0.001 | 0.005 |
acidity, %≤ | 0.0001 | 0.001 |
evaporated residue, %≤ | 0.01 | 0.01 |
| chloride (cl-)experiment,%≤ | qualified | qualified |
| non-condensable gas,%≤ | 1.5 | 1.5 |
| unsaturated olefin ,%≤ | / | / |
appearance | transparent | transparent |
smell | no special odor | no special odor |
Packing specification: 200g/220g/250g/340g/500g/680g/700g/800g/1000g/13.6kg/100kg/400kg/950kg
Uses : R-134a replaces R-12 due to excellent physical and chemical property. It is widely applied in vehicle air conditioner, refrigerator, central air-conditioning, medical, pesticide, cosmetics and cleaning agent industries as catalyst, foaming agent and fire retardant.
