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Hexafluoroacetone
Chemical compound / From Wikipedia, the free encyclopedia
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Hexafluoroacetone (HFA) is a chemical compound with the formula (CF3)2CO. It is structurally similar to acetone; however, its reactivity is markedly different. It a colourless, hygroscopic, nonflammable, highly reactive gas characterized by a musty odour.[2] The most common form of this substance is hexafluoroacetone sesquihydrate (1.5 H2O), which is a hemihydrate of hexafluoropropane-2,2-diol (F
3C)
2C(OH)
2, a geminal diol.
Quick Facts Names, Identifiers ...
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Names | |
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Preferred IUPAC name
1,1,1,3,3,3-Hexafluoropropan-2-one | |
Other names
perfluoroacetone acetone hexafluoride perfluoro-2-propanone | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.010.616 ![]() |
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |
UN number | 2420 |
CompTox Dashboard (EPA) |
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Properties | |
C3F6O | |
Molar mass | 166.02 g/mol |
Appearance | Colorless gas |
Odor | musty[1] |
Density | 1.32 g/ml, liquid |
Melting point | −129 °C (144 K) |
Boiling point | −28 °C (245 K) |
Reacts with water | |
Vapor pressure | 5.8 atm (20 °C)[1] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Toxic (T), Corrosive (C) |
GHS labelling: | |
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Danger | |
H280, H301, H310, H311, H314, H315, H330, H360, H370, H372 | |
P201, P202, P260, P262, P264, P270, P271, P280, P281, P284, P301+P310, P301+P330+P331, P302+P350, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P308+P313, P310, P312, P314, P320, P321, P322, P330, P332+P313, P361, P362, P363, P403+P233, P405, P410+P403, P501 | |
NFPA 704 (fire diamond) | |
Flash point | Nonflammable[1] |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
none[1] |
REL (Recommended) |
TWA 0.1 ppm (0.7 mg/m3) [skin][1] |
IDLH (Immediate danger) |
N.D.[1] |
Related compounds | |
Related ketones; organofluorides |
Acetone; Hexafluoro-2-propanol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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