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.
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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

Page 54 Cite Bookmark
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.
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