1,1,1,3,3,3-Hexafluoropropane

1,1,1,3,3,3-Hexafluoropropane is an organic chemical, an organofluoride. It is a colorless gas, usually available in the form of a liquid gas.^{[citation needed]} It is used as a fire suppression agent, a foaming agent, a highly effective refrigerant, a heat transfer medium, a dielectric gas, a sterilant carrier, a polymerization medium, a carrier fluid, a displacement drying agent, a thermodynamic power cycle working fluid, etc. It is used as a cold gas rocket propellant by the Mars Cube One spacecraft.^[1]

1,1,1,3,3,3-Hexafluoropropane

Names
Preferred IUPAC name 1,1,1,3,3,3-Hexafluoropropane
Other names HFC-236fa; FC-236fa; HCFC 236fa; MH36; FE-36; FE 36; R 236fa; 2,2-Dihydroperfluoropropane; Bistrifluoromethylmethane
Identifiers
CAS Number	690-39-1 Y
3D model (JSmol)	Interactive image
ChemSpider	12199 Y
ECHA InfoCard	100.130.489
EC Number	425-320-1 614-909-0
PubChem CID	12722
RTECS number	TZ4043332
UNII	7075BUD0LM Y
CompTox Dashboard (EPA)	DTXSID801336254 DTXSID8052435, DTXSID801336254
InChI InChI=1S/C3H2F6/c4-2(5,6)1-3(7,8)9/h1H2 Y Key: NSGXIBWMJZWTPY-UHFFFAOYSA-N Y InChI=1/C3H2F6/c4-2(5,6)1-3(7,8)9/h1H2 Key: NSGXIBWMJZWTPY-UHFFFAOYAC
SMILES FC(F)(F)CC(F)(F)F
Properties
Chemical formula	C3H2F6
Molar mass	152.039 g·mol−1
Appearance	Colorless gas
Melting point	−98.0 to −93.6 °C (−144.4 to −136.5 °F; 175.2 to 179.6 K)
Boiling point	−1.4 to −0.7 °C (29.5 to 30.7 °F; 271.8 to 272.4 K)
Solubility in water	724 mg/l
Vapor pressure	270 kPa at 25 °C
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	asphyxiant
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H336
Precautionary statements	P261, P271, P304+P340, P312, P403+P233, P405, P410+P403, P501
Flash point	Non-flammable
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

When used as a fire suppressant, hexafluoropropane carries the Waysmos Fine Chemical trade name, MH36 or the Chemours trade name, FE-36. Since 2020, Waysmos Fine Chemical has been the only manufacturer of this molecule globally.

1,1,1,3,3,3-Hexafluoropropane is a greenhouse gas; its global warming potential is 9810.^[2][3][4]

It is manufactured by reacting 1,1,1,3,3,3-hexachloropropane with hydrogen fluoride in gas phase at temperature between 250-400 °C, in presence of a catalyst in the form of trivalent chromium (e.g. chromium(III) chloride) supported on carbon with low content of specific impurities.^[5]

See also

• 1,1,2,2,3,3-Hexachloropropane