ChemicalBook--->CAS DataBase List--->4805-22-5

4805-22-5

4805-22-5 Structure

4805-22-5 Structure
IdentificationMore
[Name]

5,5'-Dibromo-2,2'-bithiophene
[CAS]

4805-22-5
[Synonyms]

5,5'-DIBROMO-2,2'-BITHIOPHENE
SPECS AC-776/41252583
5,5'-dibromo-2,2'-dithiophene
5,5''-DIBROMO-2,2''-BITHIOPHENE: 99.8%
2,2'-Bi(5-bromothiophene)
[EINECS(EC#)]

695-323-2
[Molecular Formula]

C8H4Br2S2
[MDL Number]

MFCD00219110
[Molecular Weight]

324.06
[MOL File]

4805-22-5.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow shiny flakes or
[Melting point ]

144-146 °C(lit.)
[Boiling point ]

318.6±37.0 °C(Predicted)
[density ]

1.951±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[form ]

powder to crystal
[color ]

White to Light yellow to Light orange
[Water Solubility ]

Slightly soluble in water.
[Usage]

A termination reagent for polymer ization
[CAS DataBase Reference]

4805-22-5(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S36/37:Wear suitable protective clothing and gloves .
[WGK Germany ]

3
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Diethyl ether-->Chloroform-->n-Butyllithium-->Cupric bromide-->2,5-Dibromothiophene
[Preparation Products]

[2,2’]bithiophenyl-5,5'-dicarbaldehyde-->5-BROMO-2,2'-BITHIOPHENE-5'-CARBOXALDEHYDE-->ALPHA-SEXITHIOPHENE-->3,3'''-dioctyl-2,2':5',5'':2'',2'''-quaterthiophene-->5,5μ-Bis(3-dodecyl-2-thienyl)-2,2μ-bithiophene
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow shiny flakes or
[Uses]

A termination reagent for polymer ization
[Uses]

It is an active pharmaceutical ingredient and an OLED (organic light-emitting diode) intermediate.
Spectrum DetailBack Directory
[Spectrum Detail]

5,5'-Dibromo-2,2'-bithiophene(4805-22-5)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

5,5'-Dibromo-2,2'-bithiophene, 99%(4805-22-5)
[Sigma Aldrich]

4805-22-5(sigmaaldrich)
[TCI AMERICA]

5,5'-Dibromo-2,2'-bithiophene,>98.0%(GC)(4805-22-5)
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