2,7-Dibromo-9,9-dimethyl-9H-fluorene, CAS No. 28320-32-3

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28320-32-3

Catalog No. EBD2204123

CAS 28320-32-3

Name 2,7-Dibromo-9,9-dimethyl-9H-fluorene

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Basic Information

Synonyms: 2,7-Dibromo-9,9-dimethyl-9H-fluorene 2,7-DIBROMO-9,9-DIMETHYLFLUORENE 9H-Fluorene,2,7-dibromo-9,9-dimethyl- 2,7-Dibromo-9,9'-Dimethylfluorene 2,7-Dibromo-9,9-dimethylFluorine 9,9-Dimethyl-2,7-dibromofluorenone K0010

Molecular Formula: C15H12Br2

Molecular Weight: 352.06

MDL Number: MFCD00099471

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > Halogenated Compounds

Product Description:

2,7-Dibromo-9,9-dimethylfluorene is a key organic building block characterized by a fluorene core substituted with bromine atoms at the 2 and 7 positions and methyl groups at the 9 position. This structure imparts high thermal stability and excellent charge-transport properties, making it a crucial intermediate in materials science. Its primary and most significant application is in the synthesis of advanced organic electronic materials. It serves as a fundamental monomer for constructing conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field-effect transistors (OFETs). The bromine atoms act as reactive sites for cross-coupling reactions (e.g., Suzuki, Stille), enabling the extension of the π-conjugated system to create blue-light-emitting materials, host materials, and charge-transport layers. Due to its well-defined reactivity and the ability to introduce the rigid, planar fluorene unit into larger architectures, it is also widely utilized as a versatile halogenated synthon in organic synthesis for constructing complex polycyclic aromatic hydrocarbons (PAHs) and other functional organic compounds.

Physical Properties

Melting Point: 177-181 °C

Boiling Point: 401.811 °C at 760 mmHg

Flash Point: 230.294 °C

Density: 1.607 g/cm3

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077