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5,5'-Dibromo-2,2'-bithiophene

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Name

5,5'-Dibromo-2,2'-bithiophene

EINECS N/A
CAS No. 4805-22-5 Density 1.951 g/cm3
PSA 56.48000 LogP 5.00160
Solubility Slightly soluble in water. Melting Point 144-146 °C(lit.)
Formula C8H4Br2S2 Boiling Point 318.6 °C at 760 mmHg
Molecular Weight 324.06 Flash Point 146.5 °C
Transport Information N/A Appearance white to light yellow shiny flakes
Safety 36/37 Risk Codes 20/21/22
Molecular Structure Molecular Structure of 4805-22-5 (5,5'-Dibromo-2,2'-bithiophene) Hazard Symbols HarmfulXn
Synonyms

5,5'-Dibromo-2,2'-bithienyl;5,5'-Dibromo-2,2'-dithienyl;5,5'-Dibromo-2,2'-dithiophene;

Article Data 59

5,5'-Dibromo-2,2'-bithiophene Chemical Properties

Molecular Structure of 5,5'-Dibromo-2,2'-bithiophene (CAS NO.4805-22-5):

Empirical Formula: C8H4Br2S2
Molecular Weight: 324.0554
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 56.48 Å2
Index of Refraction: 1.683
Molar Refractivity: 62.99 cm3
Molar Volume: 166 cm3
Surface Tension: 52.9 dyne/cm
Density: 1.951 g/cm3
Flash Point: 146.5 °C
Enthalpy of Vaporization: 53.78 kJ/mol
Boiling Point: 318.6 °C at 760 mmHg
Vapour Pressure: 0.000667 mmHg at 25°C
Melting point: 143-146 ºC
Product Categories: Thiophenes; Functional Materials; Reagents for Conducting Polymer Research; Thiophene Derivatives (for Conduting Polymer Research); Thiophen;Heterocycles; Halogenated Heterocycles; Heterocyclic Building Blocks; Organic Electronics and Photonics; Synthetic Tools and Reagents; Thiophene Monomers and Building BlocksHeterocyclic Building Blocks; ThiophenesBuilding Blocks

5,5'-Dibromo-2,2'-bithiophene Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 20/21/22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36/37
S36/37:Wear suitable protective clothing and gloves.
WGK Germany: 3

5,5'-Dibromo-2,2'-bithiophene Specification

  5,5'-Dibromo-2,2'-bithiophene , with CAS number of 4805-22-5, can be called 5,5'-dibromo-2,2'-dithiophene ; 5,5''-Dibromo-2,2''-bithiophene: 99.8%;2,2'-Bi(5-bromothiophene) ; 5,5'-Dibromo-2,2'-bithiophene,99% . It is a white to light yellow shiny flakes, can be used as a termination reagent for polymer ization.

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