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

1,1,1,3,3,3-Hexafluoropropane
Names
	IUPAC name 1,1,1,3,3,3-hexafluoropropane
	Other names FE-36; FE 36; HFC-236fa; FC-236fa; CCO610;HCFC 236fa; R 236fa; 2,2-dihydroperfluoropropane; bistrifluoromethylmethane
Identifiers
CAS Number	690-39-1 [PubChem];
3D model (JSmol)	Interactive image;
ChemSpider	12199 ;
ECHA InfoCard	100.130.489
EC Number	425-320-1; 614-909-0;
PubChem CID	12722;
RTECS number	TZ4043332;
CompTox Dashboard (EPA)	DTXSID8052435 ;
	InChI InChI=1S/C3H2F6/c4-2(5,6)1-3(7,8)9/h1H2 Key: NSGXIBWMJZWTPY-UHFFFAOYSA-N ; 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
Henry's law; constant (kH)	mol.kg−1.bar−1
Hazards
Main hazards	asphyxiant
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H280, H336
GHS precautionary statements	P261, P271, P304+340, P312, P403+233, P405, P410+403, 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).
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	Infobox references

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.[1] 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.[2]

When used as a fire suppressant, hexafluoropropane carries the DuPont trade name, FE-36.

1,1,1,3,3,3-Hexafluoropropane is a greenhouse gas; its global warming potential is 6300.

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.[3]

References

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