(Trifluoromethoxy)benzene
Synonym(s):α,α,α-Trifluoroanisole;Phenyl trifluoromethyl ether
- CAS NO.：456-55-3
- Empirical Formula: C7H5F3O
- Molecular Weight: 162.11
- MDL number: MFCD00040832
- EINECS: 207-269-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 13:16:56
What is (Trifluoromethoxy)benzene?
Chemical properties
Colorless to light yellow liqui
Synthesis Reference(s)
The Journal of Organic Chemistry, 29, p. 1, 1964 DOI: 10.1021/jo01024a001
General Description
(Trifluoromethoxy)benzene is an aryl trifluoromethyl ether. (Trifluoromethoxy)benzene can be prepared from 4-chloro-1-(trifluoromethoxy)benzene via hydrogenolysis. Conformation of (trifluoromethoxy)benzene in the gas phase has been studied by electron diffraction and spectroscopy supplemented with ab initio calculations.
Properties of (Trifluoromethoxy)benzene
| Melting point: | -49.9°C |
| Boiling point: | 102 °C(lit.) |
| Density | 1.226 g/mL at 25 °C(lit.) |
| vapor pressure | 41.3 mm Hg ( 25 °C) |
| refractive index | n |
| Flash point: | 54 °F |
| storage temp. | Sealed in dry,2-8°C |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 1.226 |
| BRN | 2043132 |
| CAS DataBase Reference | 456-55-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Trifluoromethoxybenzene(456-55-3) |
| EPA Substance Registry System | (Trifluoromethoxy)benzene (456-55-3) |
Safety information for (Trifluoromethoxy)benzene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (Trifluoromethoxy)benzene
| InChIKey | GQHWSLKNULCZGI-UHFFFAOYSA-N |
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