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123595

Sigma-Aldrich

2,3-Benzofluorene

98%

Synonym(s):

11H-Benzo[b]fluorene, Isonaphthofluorene

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About This Item

Empirical Formula (Hill Notation):
C17H12
CAS Number:
243-17-4
Molecular Weight:
216.28
Beilstein:
2046365
EC Number:
205-952-2
MDL number:
MFCD00003595
UNSPSC Code:
12352100
PubChem Substance ID:
24847577
NACRES:
NA.22

Assay

98%

form

solid

mp

211-213 °C (lit.)

solubility

methanol: soluble

SMILES string

C1c2ccccc2-c3cc4ccccc4cc13

InChI

1S/C17H12/c1-2-6-13-11-17-15(9-12(13)5-1)10-14-7-3-4-8-16(14)17/h1-9,11H,10H2

InChI key

HAPOJKSPCGLOOD-UHFFFAOYSA-N

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General description

2,3-Benzofluorene was identified in a coal liquid (solvent-refined coal) product by synchronous fluorescence and the room-temperature phosphorescence methods[1]. It inhibits estradiol-dependent reporter activity in yeast[2].

Application

2,3-Benzofluorene was used in three way analysis of fluorescence excitation-emission matrices of mixtures of polycyclic aromatic hydrocarbons[3]. It was used as standard to detect the ambient particle-bound polycyclic aromatic hydrocarbons by a real-time aerosol mass spectrometer[4].

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBF9695V
S25239V
S25239
03309CT
14020EZ

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Shugao Zhu et al.
Organic & biomolecular chemistry, 10(18), 3696-3704 (2012-04-13)
We report in this paper an interesting tandem reaction involving sequential palladium(0)-catalyzed decarboxylation of diynylic carbonates, intramolecular nucleophilic cyclization and Schmittel reaction, which provides a facile method for the synthesis of a variety of polycyclic benzo[b]fluorene derivatives from easily accessible
A Staicu et al.
The Journal of chemical physics, 129(7), 074302-074302 (2008-12-03)
The S(1)((1)A('))<--S(0)((1)A(')) absorption spectrum of jet-cooled 2,3-benzofluorene (Bzf) has been measured by cavity ring-down spectroscopy. The potential energy surfaces of the S(n=0,1,2) states of Bzf have been investigated with calculations based on the time-dependent density functional theory (TD-DFT). At the
D Q Tran et al.
Biochemical and biophysical research communications, 229(1), 101-108 (1996-12-04)
Polynuclear aromatic hydrocarbons (PAH) represent a large class of chemicals present in environment. We have used yeast strain ER(wt) expressing human estrogen receptor (hER) and an estrogen-sensitive reporter to characterize the estrogenic or anti-estrogenic activities of 21 PAHs. The PAHs
Direct determination of selected polynuclear aromatic hydrocarbons in a coal liquefaction product by synchronous luminescence techniques.
Vo-Dinh T and Martinez PR.
Analytica Chimica Acta, 125, 13-19 (1981)
P D Wentzell et al.
Analytical chemistry, 73(7), 1408-1415 (2001-04-26)
The application of trilinear decomposition (TLD) to the analysis of fluorescence excitation-emission matrices of mixtures of polycyclic aromatic hydrocarbons (PAHs) is described. The variables constituting the third-order tensor are excitation wavelength, emission wavelength, and concentration of a fluorescence quencher (nitromethane).
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