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Cas Database |
| Name |
Tetrafluoroethane beta-sultone |
EINECS | 211-805-3 |
| CAS No. | 697-18-7 | Density | 1.692 |
| PSA | 51.75000 | LogP | 1.61280 |
| Solubility | N/A | Melting Point |
-35 |
| Formula | C2F4 O3 S | Boiling Point | 41-42 |
| Molecular Weight | 180.08 | Flash Point | 68.4°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | Xi |
| Synonyms |
Ethanesulfonicacid, 1,1,2,2-tetrafluoro-2-hydroxy-, b-sultone (6CI,7CI); 2-Hydroxytetrafluoroethanesulfonicacid b-sultone; Tetrafluoroethane-b-sultone;Tetrafluoroethanesultone |
Article Data | 22 |
Tetrafluoroethane beta-sultone Synthetic route
- 116-14-3
polytetrafluoroethylene
- 36638-46-7
4-hexafluoroisopropylidene-1,3,2-dioxathietane 2,2-dioxide
A
- 697-18-7
tetrafluoroethane-β-sultone
B
- 684-22-0
bis(trifluoromethyl)ketene
| Conditions | Yield |
|---|---|
| 40-50°C; | A 96% B n/a |
| 40-50°C; | A 96% B n/a |
| Conditions | Yield |
|---|---|
| fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
| fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
| fresh distilled SO3, 2.7 atm, below 80°C, 1 h; | 93% |
| Conditions | Yield |
|---|---|
| With sulfur trioxide for 2h; Cycloaddition; | 82% |
| With sulfur trioxide | |
| With sulfur trioxide |
- 116-14-3
polytetrafluoroethylene
- 76-13-1
1,1,2-Trichloro-1,2,2-trifluoroethane
- 7446-11-9
sulfur trioxide
- 697-18-7
tetrafluoroethane-β-sultone
| Conditions | Yield |
|---|---|
| with C2F4 satd. CFCl2CF2Cl adn. to SO3 under 2.4 h,standing for a night at room temp.; | |
| with C2F4 satd. CFCl2CF2Cl adn. to SO3 under 2.4 h,standing for a night at room temp.; |
- 116-14-3
polytetrafluoroethylene
A
- 697-18-7
tetrafluoroethane-β-sultone
B
- 697-15-4
4,4,5,5-Tetrafluor-2-oxo-1,3,2-dioxathiolan
| Conditions | Yield |
|---|---|
| With O3S at 20 - 50℃; under 767.652 - 3040.2 Torr; for 6h; Large scale; |
| Conditions | Yield |
|---|---|
| With water | 100% |
| With water | 78% |
| With water | |
| With water | |
| With water |
Tetrafluoroethane beta-sultone Chemical Properties
Molecular Structure of Tetrafluoroethane beta-sultone (CAS No.697-18-7):
Molecular Formula: C2F4O3S
Molecular Weight: 180.0782
CAS No: 697-18-7
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 51.75 Å2
Index of Refraction: 1.362
Molar Refractivity: 20.3 cm3
Molar Volume: 91.5 cm3
Surface Tension: 27.4 dyne/cm
Density: 1.96 g/cm3
Flash Point: 68.4 °C
Enthalpy of Vaporization: 40.82 kJ/mol
Boiling Point: 189.4 °C at 760 mmHg
Vapour Pressure: 0.789 mmHg at 25°C
InChI: InChI=1/C2F4O3S/c3-1(4)2(5,6)10(7,8)9-1
InChIKey: ZMSRCMWBEGLBAI-UHFFFAOYAM
Std. InChI: InChI=1S/C2F4O3S/c3-1(4)2(5,6)10(7,8)9-1
Std. InChIKey: ZMSRCMWBEGLBAI-UHFFFAOYSA-N
IUPAC Name: 3,3,4,4-Tetrafluorooxathietane 2,2-dioxide
Tetrafluoroethane beta-sultone Safety Profile
Hazard Codes: 
Xi
Hazard Note: Irritant
Tetrafluoroethane beta-sultone Specification
Tetrafluoroethane beta-sultone (CAS No.697-18-7), its synonyms are 1,2-Oxathietane, 3,3,4,4-tetrafluoro-, 2,2-dioxide ; 3,3,4,4-Tetrafluoro-1,2-oxathietane 2,2-dioxide ; Tetrafluoro-1,2-oxathietane-2,2-dioxide .
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