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2,2',7,7'-Tetrabromo-9,9'-spirobifluorene

2,2',7,7'-Tetrabromo-9,9'-spirobifluorene
Catalog
ACM128055743-2
CAS
128055-74-3
Synonyms
2,2',7,7'-Tetrabromo-9,9'-spiro-bifluorene
Description2,2',7,7'-Tetrabromo-9,9'-spirobifluorene is a spirobifluorene (SBF) derivative and is used as a blue-emitting material in electroluminescent devices. The spirobifluorene linkage in the molecule helps in decreasing the crystallization tendency and also increases the colour stability by preventing the formation of aggregates or excimers. They possess high photoluminescence efficiency and good chemical stability.
IUPAC Name2,2',7,7'-Tetrabromo-9,9'-spirobi[fluorene]
Molecular Weight632
Molecular FormulaC25H12Br4
InChIInChI=1S/C25H12Br4/c26-13-1-5-17-18-6-2-14(27)10-22(18)25(21(17)9-13)23-11-15(28)3-7-19(23)20-8-4-16(29)12-24(20)25/h1-12H
InChI KeyMASXXNUEJVMYML-UHFFFAOYSA-N
Boiling Point633.7 ºC/760mmHg (lit.)
Melting Point395-400 °C
Flash Point322.5 ºC
Purity95%+
Density2.12 g/cm³
SolubilityInsoluble in water
AppearanceWhite to off-white solid
ApplicationBlue light emitting material in Organic Light Emitting Diodes (OLEDs).
StorageSealed in dry,Room Temperature
Assay95% (HPLC)
MDL NumberMFCD08704220
NACRESNA.23
PackagingPackaging
1, 5 g in glass bottle
Quality Level100
Refractive Indexn20/D 1.843 (lit.)

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