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Fluorene

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Identification
Molecular formula
C13H10
CAS number
86-73-7
IUPAC name
9H-fluorene
State
State

At room temperature, fluorene is found in a solid state. It tends to be stable under normal conditions but is more reactive than both benzene and anthracene due to the presence of an unsaturate bridgehead carbon atom.

Melting point (Celsius)
116.70
Melting point (Kelvin)
389.90
Boiling point (Celsius)
295.00
Boiling point (Kelvin)
568.00
General information
Molecular weight
166.22g/mol
Molar mass
166.2230g/mol
Density
1.2020g/cm3
Appearence

Fluorene is a polycyclic aromatic hydrocarbon which typically forms white crystalline plates. It can have a slight blue fluorescence, especially when dissolved in certain solvents or illuminated with ultraviolet light.

Comment on solubility

Solubility of 9H-Fluorene

9H-fluorene, which possesses a unique structure, demonstrates intriguing solubility characteristics that are important for various applications in chemistry. This compound is largely non-polar due to its hydrocarbon nature, resulting in specific solubility behaviors:

  • Solvent Compatibility: 9H-fluorene is soluble in non-polar solvents such as benzene, toluene, and hexane. The compatibility with these solvents is primarily due to the similar non-polar characteristics, allowing for effective intermolecular interactions.
  • Low Water Solubility: Conversely, 9H-fluorene has a very low solubility in polar solvents like water. The significant difference in polarity prevents substantial interaction between 9H-fluorene and water molecules.
  • Temperature Dependence: The solubility of 9H-fluorene can vary with temperature. Typically, increased temperatures enhance solubility in organic solvents, which is a common trend observed in many organic compounds.

As a rule of thumb, "like dissolves like," meaning that the solubility of 9H-fluorene is better when interacting with non-polar solvents rather than polar ones. Understanding these solubility properties is crucial for scientists when utilizing 9H-fluorene in synthesis or analysis contexts.

Interesting facts

Interesting Facts about 9H-Fluorene

9H-Fluorene is an aromatic hydrocarbon that is notable for its unique structure and properties. Here are some intriguing facts about this compound:

  • Structure and Stability: 9H-Fluorene features a fused ring system, which contributes to its stability and resonance characteristics. The arrangement of carbon atoms allows for delocalized electrons, making it an excellent candidate for study in organic chemistry.
  • Importance in Organic Synthesis: This compound serves as a significant building block in the synthesis of various chemical compounds, particularly in constructing more complex polycyclic aromatic hydrocarbons.
  • Applications in Research: 9H-Fluorene is often utilized as a model compound in studies related to photochemistry and materials science. Its ability to act as a host for luminescent materials makes it a topic of interest in the development of new organic light-emitting diodes (OLEDs).
  • Fluorene Derivatives: There are several derivatives of 9H-Fluorene that have been developed, such as fluorene-based dendrimers and polymers, which have potential applications in nanotechnology and drug delivery systems.
  • Health and Environmental Concerns: As with many polycyclic aromatic hydrocarbons, 9H-Fluorene is of interest in environmental chemistry due to its potential health effects and persistence in the environment. Ongoing research seeks to assess its toxicity and methods for degradation.

In summary, 9H-Fluorene's unique characteristics, versatility in synthesis, and relevance in modern chemical research highlight its importance within the field of chemistry. As a molecule that bridges basic science and practical applications, it serves as an exemplary subject for both students and professionals alike.

Synonyms
FLUORENE
9H-Fluorene
86-73-7
Diphenylenemethane
o-Biphenylenemethane
2,3-Benzindene
2,2'-Methylenebiphenyl
o-Biphenylmethane
Methane, diphenylene-
Fluoren
CCRIS 947
MFCD00001111
HSDB 2165
NSC 6787
alpha-diphenylenemethane-9H-fluorene
EINECS 201-695-5
UNII-3Q2UY0968A
DTXSID8024105
CHEBI:28266
AI3-09074
3Q2UY0968A
NSC-6787
DTXCID604105
EC 201-695-5
Fluorene 10 microg/mL in Cyclohexane
Fluorene 10 microg/mL in Acetonitrile
Fluorene 100 microg/mL in Acetonitrile
FLUORENE (IARC)
FLUORENE [IARC]
FLUORENE (13C6)
CAS-86-73-7
flourene
Fluorene, Reagent
Fluorene (Standard)
Fluorene, 98%
9H FLUORENE
FLUORENE [HSDB]
bmse000524
9H-FLUORENE [MI]
Fluorene, analytical standard
CHEMBL16236
ghl.PD_Mitscher_leg0.1322
NSC6787
Fluorene, >=99.0% (HPLC)
HY-W026772R
STR04556
Tox21_202140
Tox21_300572
BBL027323
STK802351
AKOS000119854
AC-5810
FF07771
HY-W026772
NCGC00164052-01
NCGC00164052-02
NCGC00164052-03
NCGC00254303-01
NCGC00259689-01
DA-60624
CS-0070796
F0017
F0061
NS00010698
EN300-18388
Fluorene Zone Refined (number of passes:70)
C07715
Fluorene, Zone Refined (number of passes:70)
Q417934
Fluorene, certified reference material, TraceCERT(R)
Z57127470
F1313-0006
InChI=1/C13H10/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)12/h1-8H,9H
201-695-5
9FL