Description

Fluorene (CAS 86-73-7) is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C₁₃H₁₀. It consists of two benzene rings fused to a central five-membered ring, forming a rigid, planar structure. This high-purity compound is widely used in organic synthesis, materials science, and photophysical research due to its unique electronic properties and fluorescence characteristics. Fluorene serves as a key precursor for the production of conductive polymers, OLED materials, and dyes. Available in crystalline form with ≥98% purity, it is rigorously tested for consistency and stability. Proper handling in a controlled environment is recommended due to its potential sensitivity to light and oxidation.

Properties

• CAS Number: 86-73-7
• Complexity: 164
• IUPAC Name: 9H-fluorene
• InChI: InChI=1S/C13H10/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)12/h1-8H,9H2
• InChI Key: NIHNNTQXNPWCJQ-UHFFFAOYSA-N
• LogP: log Kow = 4.18
• Exact Mass: 166.078250319
• Molecular Formula: C13H10
• Molecular Weight: 166.22
• SMILES: C1C2=CC=CC=C2C3=CC=CC=C31
• Monoisotopic Mass: 166.078250319
• Physical Description: Fluorene is a white leaflets. Sublimes easily under a vacuum. Fluorescent when impure.
• Color/Form: Leaflets from alcohol
• Boiling Point: 563 °F at 760 mmHg
• Melting Point: 241 to 243 °F
• Flash Point: 151.0 °C – closed cup
• Solubility: Insoluble.
• Density: 1.203 at 32 °F – Denser than water; will sink
• Vapor Pressure: 10 mmHg at 294.8 °F
• Henry’s Law Constant: Henry’s Law constant = 9.62X10-5 atm-cu m/mole at 25 °C
• Stability/Shelf Life: Stable under recommended storage conditions.
• Heat of Vaporization: 13,682.8 g cal/g mol
• Synonyms: FLUORENE, 86-73-7, Diphenylenemethane, o-Biphenylenemethane, 2,3-Benzindene, 2,2′-Methylenebiphenyl, o-Biphenylmethane, Methane, diphenylene-, Fluoren, CCRIS 947, 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 (IARC), FLUORENE [IARC], 201-695-5, 9H-Fluorene, MFCD00001111, Fluorene 10 microg/mL in Cyclohexane, Fluorene 10 microg/mL in Acetonitrile, Fluorene 100 microg/mL in Acetonitrile, FLUORENE (13C6), CAS-86-73-7, flourene, Fluorene, Reagent, Fluorene (Standard), Fluorene, 98%, 9H FLUORENE, FLUORENE [HSDB], bmse000524, 9H-FLUORENE [MI], SCHEMBL8180, SCHEMBL18426, SCHEMBL23194, SCHEMBL23903, SCHEMBL24206, SCHEMBL24657, SCHEMBL68422, SCHEMBL71211, Fluorene, analytical standard, CHEMBL16236, SCHEMBL102781, SCHEMBL155248, SCHEMBL155249, SCHEMBL586690, SCHEMBL586691, ghl.PD_Mitscher_leg0.1322, SCHEMBL1664581, SCHEMBL2455363, SCHEMBL2676712, SCHEMBL2678990, SCHEMBL2679060, SCHEMBL2679238, SCHEMBL4855554, SCHEMBL5552181, SCHEMBL5556681, SCHEMBL5557769, SCHEMBL5557865, SCHEMBL5673121, SCHEMBL5675044, SCHEMBL6537815, SCHEMBL6537887, SCHEMBL7765422, SCHEMBL8178502, SCHEMBL17418147, NSC6787, Fluorene, >=99.0% (HPLC), HY-W026772R, STR04556, Tox21_202140, Tox21_300572, BBL027323, SBB040920, STK802351, AKOS000119854, AC-5810, FF07771, HY-W026772, NCGC00164052-01, NCGC00164052-02, NCGC00164052-03, NCGC00254303-01, NCGC00259689-01, DA-60624, CS-0070796, F0017, F0061, NS00010698, ST50214526, 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, 9FL

Application

Fluorene is extensively utilized as a building block in the synthesis of organic semiconductors and optoelectronic materials. Its derivatives are critical components in OLED displays and photovoltaic devices due to their high charge-carrier mobility. Researchers also employ fluorene as a fluorescent probe in photochemical studies. Additionally, it serves as a model compound for investigating PAH behavior in environmental and toxicological research.

Safety and Hazards

GHS Hazard Statements

• H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P273, P391, and P501

Hazard Classes and Categories

• Aquatic Acute 1 (95.3%)
• Aquatic Chronic 1 (90.7%)

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