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| CAS No.: | 425-88-7 |
|---|---|
| Name: | 1,1,2,2-Tetrafluoroethyl methyl ether |
| Molecular Structure: | |
|
|
|
| Formula: | C3H4F4O |
| Molecular Weight: | 132.058 |
| Synonyms: | Ether,methyl 1,1,2,2-tetrafluoroethyl (7CI,8CI);1,1,2,2-Tetrafluoro-1-methoxyethane;HFE 254pc;Methyl 1,1,2,2-tetrafluoroethyl ether; |
| EINECS: | 207-039-4 |
| Density: | 1.238 g/cm3 |
| Melting Point: | -107 °C |
| Boiling Point: | 10.1 °C at 760 mmHg |
| Flash Point: | -20 °C |
| Appearance: | Colorless Volatile liquid |
| Hazard Symbols: |
 T, Xi, F+
|
| Risk Codes: | 23/24/25-36/37/38-12 |
| Safety: | 36/37/39-45-33-26-16-9 |
| PSA: | 9.23000 |
| LogP: | 1.49070 |
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| Conditions | Yield |
|---|---|
| under 14710.2 Torr; | |
| In 1,4-dioxane |
- 36336-08-0
methyl hypofluorite
- 359-11-5
1,1,2-trifluoroethylene
A
- 425-88-7
1,1,2,2-tetrafluoro-1-methoxyethane
B
- 50285-05-7
(1,2,2,2-tetrafluoroethyl)methyl ether
| Conditions | Yield |
|---|---|
| In [D3]acetonitrile at -78 - 20℃; Title compound not separated from byproducts; |
| Conditions | Yield |
|---|---|
| With sodium methylate |
| Conditions | Yield |
|---|---|
| With potassium hexamethylsilazane In toluene at 20℃; for 0.25h; Inert atmosphere; | 99% |
| Conditions | Yield |
|---|---|
| With water; fluorinated γ-alumina at 180℃; for 0.02h; Product distribution / selectivity; Inert atmosphere; Gas phase; | 94.5% |
| Conditions | Yield |
|---|---|
| With alumina; hydrogen fluoride at 220 - 230℃; | 90% |
| With aluminum oxide at 200 - 300℃; | 90% |
| With antimony pentafluoride In 1,2-dichloro-ethane at 25℃; for 3h; Autoclave; |
- 425-88-7
1,1,2,2-tetrafluoro-1-methoxyethane
A
- 593-53-3
Methyl fluoride
B
- 2925-22-6
2,2-difluoroacetyl fluoride
| Conditions | Yield |
|---|---|
| antimony pentafluoride In neat (no solvent) | A n/a B 88% |
| aluminum phosphate treatment with HF at 300C for 72 h at 210℃; Product distribution / selectivity; Inert atmosphere; | |
| With monoaluminum phosphate; hydrogen fluoride at 200℃; Inert atmosphere; Autoclave; |
| Conditions | Yield |
|---|---|
| With potassium hexamethylsilazane In toluene at 20℃; for 0.25h; Inert atmosphere; | 75% |
| Conditions | Yield |
|---|---|
| With potassium hexamethylsilazane In N,N-dimethyl-formamide at -10℃; for 0.5h; | 61% |
- 425-88-7
1,1,2,2-tetrafluoro-1-methoxyethane
| Conditions | Yield |
|---|---|
| With methanol; potassium hydroxide at 50℃; for 8 - 16h; Product distribution / selectivity; | 51.7% |
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Specification
The Ethane,1,1,2,2-tetrafluoro-1-methoxy-, with CAS registry number 425-88-7, belongs to the following product category: refrigerants. It has the systematic name of 1,1,2,2-tetrafluoro-1-methoxyethane. And its IUPAC name is the same one. What's more, its EINECS is 207-039-4.
Physical properties of Ethane,1,1,2,2-tetrafluoro-1-methoxy-: (1)ACD/LogP: 0.91; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.91; (4)ACD/LogD (pH 7.4): 0.91; (5)ACD/BCF (pH 5.5): 2.88; (6)ACD/BCF (pH 7.4): 2.88; (7)ACD/KOC (pH 5.5): 74.24; (8)ACD/KOC (pH 7.4): 74.24; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 9.23 Å2; (13)Index of Refraction: 1.272; (14)Molar Refractivity: 18.27 cm3; (15)Molar Volume: 106.6 cm3; (16)Polarizability: 7.24×10-24cm3; (17)Surface Tension: 12.7 dyne/cm; (18)Enthalpy of Vaporization: 24.75 kJ/mol; (19)Vapour Pressure: 1280 mmHg at 25°C.
Uses of Ethane,1,1,2,2-tetrafluoro-1-methoxy-: it can be used to produce difluoroacetyl fluoride and fluoromethane. This reaction will need solvent neat (no solvent). The yield is about 88%.
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When you are using this chemical, please be cautious about it as the following:
The Ethane,1,1,2,2-tetrafluoro-1-methoxy- is extremely flammable, so keep it away from sources of ignition. This chemical is toxic by inhalation, in contact with skin and if swallowed. You should keep its container in a well-ventilated place and take precautionary measures against static discharges. This chemical also irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
You can still convert the following datas into molecular structure:
(1)SMILES: FC(F)C(F)(F)OC
(2)InChI: InChI=1/C3H4F4O/c1-8-3(6,7)2(4)5/h2H,1H3
(3)InChIKey: YQQHEHMVPLLOKE-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C3H4F4O/c1-8-3(6,7)2(4)5/h2H,1H3
(5)Std. InChIKey: YQQHEHMVPLLOKE-UHFFFAOYSA-N