Record Information
Version1.0
Creation Date2009-03-06 18:58:00 UTC
Update Date2026-08-20 04:27:28 UTC
Accession NumberCHEM000058
Identification
Common NameBenzo[k]fluoranthene
ClassSmall Molecule
Description
Benzo[k]fluoranthene is one of over 100 different polycyclic aromatic hydrocarbons (PAHs). PAHs are chemicals that are formed during the incomplete burning organic substances, such as fossil fuels. They are usually found as a mixture containing two or more of these compounds. It is one ingredient of cigarette.(4)
Contaminant Sources
  • Clean Air Act Chemicals
  • HPV EPA Chemicals
  • IARC Carcinogens Group 2B
  • My Exposome Chemicals
  • STOFF IDENT Compounds
  • T3DB toxins
  • Tobacco Smoke Compounds
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Aromatic Hydrocarbon
  • Cigarette Toxin
  • Food Toxin
  • Industrial By-product/Pollutant
  • Industrial/Workplace Toxin
  • Natural Compound
  • Organic Compound
  • Pollutant
  • Polycyclic Aromatic Hydrocarbon
Chemical Structure
Synonyms
ValueSource
11,12-BenzofluorantheneKegg
benzo(K)FluorantheneMeSH
Chemical FormulaC20H12
Average Molecular Mass252.309 g/mol
Monoisotopic Mass252.094 g/mol
CAS Registry Number207-08-9
IUPAC Namepentacyclo[10.7.1.0^{2,11}.0^{4,9}.0^{16,20}]icosa-1(19),2,4,6,8,10,12,14,16(20),17-decaene
Traditional Namepentacyclo[10.7.1.0^{2,11}.0^{4,9}.0^{16,20}]icosa-1(19),2,4,6,8,10,12,14,16(20),17-decaene
SMILESC1=CC=C2C=C3C(=CC2=C1)C1=CC=CC2=CC=CC3=C12
InChI IdentifierInChI=1S/C20H12/c1-2-6-15-12-19-17-10-4-8-13-7-3-9-16(20(13)17)18(19)11-14(15)5-1/h1-12H
InChI KeyHAXBIWFMXWRORI-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as naphthalenes. Naphthalenes are compounds containing a naphthalene moiety, which consists of two fused benzene rings.
KingdomOrganic compounds
Super ClassBenzenoids
ClassNaphthalenes
Sub ClassNot Available
Direct ParentNaphthalenes
Alternative Parents
Substituents
  • Naphthalene
  • Aromatic hydrocarbon
  • Polycyclic hydrocarbon
  • Unsaturated hydrocarbon
  • Hydrocarbon
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearancePale yellow solid.
Experimental Properties
PropertyValue
Melting Point217°C
Boiling PointNot Available
Solubility8e-07 mg/mL at 25 °C [PEARLMAN,RS et al. (1984)]
Predicted Properties
PropertyValueSource
Water Solubility4.9e-06 g/LALOGPS
logP6.13ALOGPS
logP5.27ChemAxon
logS-7.7ALOGPS
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity83.17 m³·mol⁻¹ChemAxon
Polarizability29.59 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Toxicity Profile
Route of ExposureOral (4) ; inhalation (4)
Mechanism of ToxicityThe ability of PAH's to bind to blood proteins such as albumin allows them to be transported throughout the body. Many PAH's induce the expression of cytochrome P450 enzymes, especially CYP1A1, CYP1A2, and CYP1B1, by binding to the aryl hydrocarbon receptor or glycine N-methyltransferase protein. These enzymes metabolize PAH's into their toxic intermediates. The reactive metabolites of PAHs (epoxide intermediates, dihydrodiols, phenols, quinones, and their various combinations) covalently bind to DNA and other cellular macromolecules, initiating mutagenesis and carcinogenesis. (4, 5, 2, 3)
MetabolismPAH metabolism occurs in all tissues, usually by cytochrome P-450 and its associated enzymes. PAHs are metabolized into reactive intermediates, which include epoxide intermediates, dihydrodiols, phenols, quinones, and their various combinations. The phenols, quinones, and dihydrodiols can all be conjugated to glucuronides and sulfate esters; the quinones also form glutathione conjugates. (4)
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)2B, possibly carcinogenic to humans. (6)
Uses/SourcesPAHs are released into the environment via the combustion of fossil fuels, coke oven emissions and vehicle exhausts, as well as naturally from forest fires and volcanic eruptions. PAHs from these sources may contaminate nearly water systems. They are also found in coal tar and charbroiled food. (4)
Minimum Risk LevelNot Available
Health EffectsPAHs are carcinogens and have been associated with the increased risk of skin, respiratory tract, bladder, stomach, and kidney cancers. They may also cause reproductive effects and depress the immune system. (4)
SymptomsAcute exposure to PAHs causes irritation and inflammation of the skin and lung tissue. (1)
TreatmentThere is no known antidote for PAHs. Exposure is usually handled with symptomatic treatment. (4)
Concentrations
Not Available
External Links
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider ID8804
ChEBI IDNot Available
PubChem Compound IDNot Available
Kegg Compound IDC14321
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References