Submarine Exposure Guidance Levels for Selected Hydrofluorocarbons: HFC-236fa, HFC-23,and HFC-404a (2000)
Chapter: Chemical and Physical Properties
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Suggested Citation:
"Chemical and Physical Properties." National Research Council. 2000. Submarine Exposure Guidance Levels for Selected Hydrofluorocarbons: HFC-236fa, HFC-23,and HFC-404a. Washington, DC: The National Academies Press.
doi: 10.17226/9815.
HFC-134a
Chemical and Physical Properties
|
Common name: |
FC-134 |
|
Chemical name: |
1,1,1,2-Tetrafluoroethane |
|
Synonyms: |
HFC-134a; norflurane, 1,1,1,2-tetrafluoroethane; HFA-134a; 1,2,2,2-tetrafluoroethane; F-134a; R134a; refrigerant R134a |
|
CAS number: |
811-97-2 |
|
Structural formula: |
CF3CFH2 |
|
Description: |
Colorless gas |
|
Molecular weight: |
102.03 |
|
Boiling point: |
-26.5°C at 736 mm Hg |
|
Melting point: |
-101°C |
|
Density and specific gravity: |
1.21 g/mL (liquid under pressure at 77°F) |
|
Vapor pressure: |
96 psia at 25°C |
|
Flash point and flammability: |
Nonflammable |
|
Solubility: |
0.15% in water; soluble in ether |
|
Octanol and water partition coefficient: |
Ppw = 1.06 |
|
Conversion factors: |
1 ppm = 4.20 mg/m3 1 mg/m3 = 0.24 |
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