2,2',7,7'-Tetrabromo-9,9'-spirobifluorene
Catalog Number
ACM128055743-2
CAS
128055-74-3
IUPAC Name
2,2',7,7'-Tetrabromo-9,9'-spirobi[fluorene]
Synonyms
2,2',7,7'-Tetrabromo-9,9'-spiro-bifluorene
Application
Blue light emitting material in Organic Light Emitting Diodes (OLEDs).
Molecular Weight
632
Molecular Formula
C25H12Br4
Product Information
Description
2,2',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.
Canonical SMILES
C1=CC2=C(C=C1Br)C3(C4=C2C=CC(=C4)Br)C5=C(C=CC(=C5)Br)C6=C3C=C(C=C6)Br
InChI
InChI=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 Key
MASXXNUEJVMYML-UHFFFAOYSA-N
Boiling Point
633.7 ºC/760mmHg (lit.)
Melting Point
395-400 °C
Flash Point
322.5 ºC
Purity
95%+
Density
2.12 g/cm³
Solubility
Insoluble in water
Appearance
White to off-white solid
Storage
Sealed in dry,Room Temperature
Complexity
527
Covalently-Bonded Unit Count
1
Exact Mass
631.76315
Heavy Atom Count
29
MDL Number
MFCD08704220
Monoisotopic Mass
627.76725
Refractive Index
n20/D 1.843 (lit.)
Rotatable Bond Count
0
Topological Polar Surface Area
0 Ų
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