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Production Name: Pharmaceutical Excipients Tetrafuoroethane
Application:
Aerosol Propellant HFA-134A is a main alternative for CFCs propellant, it is widely used in MDIs( Metered-dose inhalers), Aerosol Propellant HFA-134A also named pharm-aerosol, or used as anti-asthma aerosol to treat asthma, COPD (Chronic obstructive pulmonary disease),and respiratory infections; it also could be used in Nasal Aerosol and foam aerosol to treat irritable rhinitis; its another use is in mouth and local aerosol(to improve nerve sensitivity, strength tooth dynamic and relieve pain, etc. )
Cas No.: 711-97-2
Molecular Formula: CH2FCF3
Physical Properties:
| Molecular weight(g/mol): 102.3 | Melting point℃: --- |
| Density of liquid (25℃ ): 1.207 g/cm3 | Vapour pressure(25℃): 0.665MPa |
| Critical temperature (℃): 101.1 | Critical pressure: 4.067 MPa |
| Critical density: 0.512 g/cm3 | Latent heat of evaporation in boiling point: 215.0KJ/kg |
| Solubility in water (25℃): 0.15 W% | Specific heat (25℃ liquid): 1.51 KJ/kg . k |
| ODP: 0 | GWP: 0.29 |
Storage:
*This product is usually in liquid state in package, or in gas state when under indoor temperature or normal atmospheric pressure.
*Usually colorlee, odorless. When in high concentration, slightly smell ether. Non-corrosiveness,
Nonflammable.
Packing Specifications: Disposable cylinder:30lb/13.6kg, (25lb/11.3kg; 24lb/10.9kg)
926 Ton tank,
ISO-TANK
OEM is acceptable
Technical Specifications:
Hfa-134a |
Unit |
Index |
Appearance |
|
Colorless, transparent |
Identification |
|
Infrared spectrogram meets specification |
Boiling point |
|
-26℃+-0.5℃ |
Purity |
%≥ |
99.99 |
Moisture |
%≤ |
0.0010 |
Acidity (as HCI) |
%≤ |
0.0001 |
Non-volatile residue |
%≤ |
0.0010 |
Choride |
|
Pass |
Non-condensable gas in gas phrase (25℃)% (v/v) |
≤ |
1.5 |