1,4-difluoro-2,5-dimethoxybenzene
Suppliers
Names
[ CAS No. ]:
199866-90-5
[ Name ]:
1,4-difluoro-2,5-dimethoxybenzene
[Synonym ]:
2,5-difluoro-1,4-dimethoxybenzene
1,4-Difluoro-2,5-dimethoxybenzene
MFCD00142553
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
MSDS
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%
Articles
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...
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...
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, ...