CAS 199866-90-5|1,4-difluoro-2,5-dimethoxybenzene
Introduction：Basic information about CAS 199866-90-5|1,4-difluoro-2,5-dimethoxybenzene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,4-difluoro-2,5-dimethoxybenzene | ||
|---|---|---|---|
| CAS Number | 199866-90-5 | Molecular Weight | 174.14500 |
| Density | 1.193g/cm3 | Boiling Point | 193.7ºC at 760 mmHg |
| Molecular Formula | C8H8F2O2 | Melting Point | 123-125 °C(lit.) |
| MSDS | ChineseUSA | Flash Point | / |
| Symbol | GHS07 | Signal Word | Warning |
Names
| Name | 1,4-difluoro-2,5-dimethoxybenzene |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 1.193g/cm3 |
|---|---|
| Boiling Point | 193.7ºC at 760 mmHg |
| Melting Point | 123-125 °C(lit.) |
| Molecular Formula | C8H8F2O2 |
| Molecular Weight | 174.14500 |
| Exact Mass | 174.04900 |
| PSA | 18.46000 |
| LogP | 1.98200 |
| Vapour Pressure | 0.64mmHg at 25°C |
| Index of Refraction | 1.455 |
| InChIKey | QNQUBUBFPGHXAL-UHFFFAOYSA-N |
| SMILES | COc1cc(F)c(OC)cc1F |
Safety Information
| Symbol | GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2909309090 |
Customs
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Articles5
More Articles| Long-lived radical cation salts obtained by interaction of monocyclic arenes with niobium and tantalum pentahalides at room temperature: EPR and DFT studies. Chemistry 19(41) , 13962-9, (2013) The 1:3 reactions of the alkoxy arenes 1,4-(MeO)2 C6 H4 and 1,4-F2 -2,5-(MeO)2 C6 H2 with TaF5 in chloroform at 40-50 °C resulted in formation in about 35 % yield of the long-lived radical cation salt... | |
| Iterative benzyne-furan cycloaddition reactions: studies toward the total synthesis of ent-Sch 47554 and ent-Sch 47555. Org. Lett. 8(13) , 2859-61, (2006) [reaction: see text] 7-Fluoro-5,8-dimethoxy-1-naphthol, prepared from the lithiation and benzyne formation from 1,4-difluoro-2,5-dimethoxybenzene and Diels-Alder cycloaddition with furan, was sequenti... | |
| 1,4-Difluoro-2,5-dimethoxybenzene as a precursor for iterative double benzyne-furan Diels-Alder reactions. J. Org. Chem. 70(9) , 3525-9, (2005) [reaction: see text] The use of 1,4-difluoro-2,5-dimethoxybenzene as a novel precursor for iterative two-directional benzyne-furan Diels-Alder reactions, using a range of 2- and 3-substituted furans, ... |
Synonyms
| 2,5-difluoro-1,4-dimethoxybenzene |
| 1,4-Difluoro-2,5-dimethoxybenzene |
| MFCD00142553 |
