374334
1,1,1,2-Tetrafluorethan
≥99%
Synonym(e):
HFC-134a
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About This Item
Lineare Formel:
FCH2CF3
CAS-Nummer:
Molekulargewicht:
102.03
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12142100
PubChem Substanz-ID:
NACRES:
NA.22
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Assay
≥99%
bp
−26.5 °C (lit.)
SMILES String
FCC(F)(F)F
InChI
1S/C2H2F4/c3-1-2(4,5)6/h1H2
InChIKey
LVGUZGTVOIAKKC-UHFFFAOYSA-N
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Allgemeine Beschreibung
1,1,1,2-Tetrafluoroethane is used as a trifluorovinylating agent in organic synthesis. It is identified as a potential refrigerant used in place of chlorofluorocarbons. 1,1,1,2-Tetrafluoroethane can also be used as a solvent and medical propellant for a wide range of applications. It is used to extract materials of natural origin like natural flavors, fragrances, and nutraceuticals.
Anwendung
1,1,1,2-Tetrafluoroethane can be used:
- As a solvent in the preparation of cross-linked polymer microspheres through the dispersion polymerization method.
- As a porogenic solvent in the preparation of porous polymethacrylate monolith via free radical polymerization.
- In the synthesis of trifluorovinyllithium, a key intermediate for the preparation of 2-halo-2,3-dideoxy-arabinose derivatives of biological importance.
Verpackung
Packaged in Sure/Pac™ carbon steel cylinders with 1/4" NPTM brass needle valve
Rechtliche Hinweise
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
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Signalwort
Warning
H-Sätze
P-Sätze
Gefahreneinstufungen
Press. Gas Compr. Gas
Lagerklassenschlüssel
2A - Gases
WGK
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Analysenzertifikate (COA)
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Synthesis of porous cross-linked polymer monoliths using 1, 1, 1, 2-tetrafluoroethane (R134a) as the porogen
Hebb AK, et al.
Composites Science and Technology, 63(16), 2379-2387 (2003)
Parthiban Selvam et al.
Langmuir : the ACS journal of surfaces and colloids, 22(21), 8675-8683 (2006-10-04)
In situ high-pressure tensiometry and ab initio calculations were used to rationally design surfactants for the 1,1,1,2-tetrafluoroethane-water (HFA134a|W) interface. Nonbonded pair interaction (binding) energies (E(b)) of the complexes between HFA134a and candidate surfactant tails were used to quantify the HFA-philicity
Yongwon Seo et al.
Environmental science & technology, 38(17), 4635-4639 (2004-10-06)
A new separation method using gas hydrate formation is proposed for separating HFC-134a from gas mixtures containing N2 and HFC-134a. The feasibility of this separation method was investigated from various points of view. First, to determine the mixed hydrate stability
Polymer synthesis using hydrofluorocarbon solvents. 1. Synthesis of cross-linked polymers by dispersion polymerization in 1, 1, 1, 2-tetrafluoroethane
Wood CD, et al.
Macromolecules, 35(18), 6743-6746 (2002)
Alejandra Romero-Montero et al.
Materials science & engineering. C, Materials for biological applications, 115, 111154-111154 (2020-07-01)
Enzymatic mediated poly (gallic acid) (PGAL), a stable multiradical polyanion with helicoidal secondary structure and high antioxidant capacity, was successfully grafted to poly(ε-caprolactone) (PCL) using UV-photo induction. PCL films were prepared with several levels of roughness and subsequently grafted with
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