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Merck
CN

754889

Spiro-2CBP

≥98%

Synonym(s):

Spiro-2CBP, 2,7-Bis(N-carbazolyl)-9,9-spirofluorene, 2,7-Bis(carbazol-9-yl)-9,9-spirobifluorene, 9,9′-(9,9′-Spirobi[9H-fluorene]-2,7-diyl)bis-9H-carbazole

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About This Item

Empirical Formula (Hill Notation):
C49H30N2
CAS Number:
924899-38-7
Molecular Weight:
646.78
NACRES:
NA.23
PubChem Substance ID:
329766461
UNSPSC Code:
12352103
MDL number:
MFCD12022464

Key Documents

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InChI

1S/C49H30N2/c1-7-19-41-33(13-1)34-14-2-8-20-42(34)49(41)43-29-31(50-45-21-9-3-15-37(45)38-16-4-10-22-46(38)50)25-27-35(43)36-28-26-32(30-44(36)49)51-47-23-11-5-17-39(47)40-18-6-12-24-48(40)51/h1-30H

SMILES string

c1ccc2c(c1)-c3ccccc3C24c5cc(ccc5-c6ccc(cc46)-n7c8ccccc8c9ccccc79)-n%10c%11ccccc%11c%12ccccc%10%12

InChI key

UDECBOWBCXTHEY-UHFFFAOYSA-N

assay

≥98%

form

powder or crystals

mp

391-396 °C

absorption

110,000 at 231 nm in THF, 33,400 at 293 nm in THF, 41,500 at 343 nm in THF

fluorescence

λex 292 nm; λem 366 nm in THF

orbital energy

HOMO 5.03 eV , LUMO 1.65 eV 

Application

This material is a popular phosphorescent host material for OLED devices.

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBP9209V
MKBJ9409V

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The use of a polarity matching and high-energy exciton generating host in fabricating efficient purplish-blue OLEDs from a sky-blue emitter
Jou, J-H; et al.
Journal of Materials Chemistry, 22, 15500-15506 (2012)
Francesco Rodella et al.
Frontiers in chemistry, 8, 657-657 (2020-08-28)
The synthesis of stable blue TADF emitters and the corresponding matrix materials is one of the biggest challenges in the development of novel OLED materials. We present six bipolar host materials based on triazine as an acceptor and two types

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