1,4-difluoro-2,5-dimethoxybenzene

Modify Date: 2024-01-02 17:03:35

1,4-difluoro-2,5-dimethoxybenzene Structure
1,4-difluoro-2,5-dimethoxybenzene structure
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 Chinese USA Flash Point N/A
Symbol GHS07
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

 Safety Information

Symbol GHS07
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