Record Information
Version1.0
Creation date2010-04-08 22:10:23 UTC
Update date2020-09-17 15:36:20 UTC
Primary IDFDB012843
Secondary Accession NumbersNot Available
Chemical Information
FooDB NameBenzene
DescriptionBenzene is a colorless, highly flammable liquid with a characteristic sweet smell. It is partially responsible for the characteristic aroma around gasoline stations. Benzene is used primarily as a precursor to the manufacture of chemicals with more complex structure, such as ethylbenzene and cumene. Benzene has a high-octane number and as a result benzene along with various aromatic derivatives like toluene and xylene typically comprise up to 25% of gasoline. Exposure to gasoline or to plant combustion products is the most frequent reason for benzene to be detected in living organisms. Outdoor air frequently contains low levels of benzene from car service stations, wood smoke, tobacco smoke, the transfer of gasoline, exhaust from motor vehicles, and industrial emissions. Low levels of benzene appear to exist and to be produced naturally in all living organisms, ranging from bacteria to plants to humans. Benzene can be produced naturally through spontaneous reactions in cells, in biofluids and in fruits or juices. In particular, benzoic acid and ascorbic acid (Vitamin C) in the presence of iron or copper ions can interact to produce benzene (PMID: 26904662). Benzene has been found in a number of processed foods and plants, with the highest concentration being in safflowers. Benzene has also been detected, but not quantified in other plant foods, such as common beans, guava, and lovages. Benzene is a known human carcinogen and is classified by IARC (International Agency for Research on Cancer) as a class I (most serious) carcinogen. Benzene is also a notorious cause of bone marrow failure. Substantial quantities of epidemiologic, clinical, and laboratory data link benzene to aplastic anemia, acute leukemia, bone marrow abnormalities and cardiovascular disease (PMID: 20070208; PMID: 24932584). Human exposure to benzene is a global health problem. Benzene targets the liver, kidney, lung, heart and brain and can cause DNA strand breaks and chromosomal damage.
CAS Number71-43-2
Structure
Thumb
Synonyms
SynonymSource
[6]AnnuleneChEBI
BenzenChEBI
BenzineChEBI
BenzolChEBI
BenzoleChEBI
Bicarburet OF hydrogenChEBI
Coal naphthaChEBI
CyclohexatrieneChEBI
Mineral naphthaChEBI
PheneChEBI
Phenyl hydrideChEBI
PyrobenzolChEBI
PyrobenzoleChEBI
(6)AnnuleneHMDB
AnnuleneHMDB
Aromatic alkaneHMDB
BenzeenHMDB
BenzinHMDB
BenzinumHMDB
Benzol 90HMDB
BenzoleneHMDB
BenzoloHMDB
BenzolumHMDB
BNZHMDB
Carbon oilHMDB
FenzenHMDB
Motor benzolHMDB
PolystreamHMDB
RNGHMDB
{[6]annulene}HMDB
Predicted Properties
PropertyValueSource
Water Solubility1.11 g/LALOGPS
logP2.03ALOGPS
logP1.97ChemAxon
logS-1.9ALOGPS
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity26.06 m³·mol⁻¹ChemAxon
Polarizability8.89 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Chemical FormulaC6H6
IUPAC namebenzene
InChI IdentifierInChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H
InChI KeyUHOVQNZJYSORNB-UHFFFAOYSA-N
Isomeric SMILESC1=CC=CC=C1
Average Molecular Weight78.1118
Monoisotopic Molecular Weight78.046950192
Classification
Description Belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassNot Available
Direct ParentBenzene and substituted derivatives
Alternative Parents
Substituents
  • Monocyclic benzene moiety
  • Aromatic hydrocarbon
  • Unsaturated hydrocarbon
  • Hydrocarbon
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effect

Health effect:

Disposition

Source:

Route of exposure:

Biological location:

Role

Indirect biological role:

Environmental role:

Industrial application:

Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateLiquid
Physical DescriptionNot Available
Mass CompositionC 92.26%; H 7.74%DFC
Melting PointMp 5.53°DFC
Boiling PointBp 80.8° (80.103°, 80.12°, 80.36°, 80.49°)DFC
Experimental Water Solubility1.79 mg/mL at 25 oCMAY,WE et al. (1983)
Experimental logP2.13HANSCH,C ET AL. (1995)
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
Densityd204 0.88DFC
Refractive Indexn20D 1.5014DFC
Spectra
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
EI-MSMass Spectrum (Electron Ionization)splash10-004i-9000000000-08f396d6cb4660e57caaSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9000000000-70967112fec69784847cSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9000000000-92ccc664b07cb6c56de9Spectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-0fb9-9000000000-2aae37aac9f2a02d5e8bSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9100000000-11f8463e7c6286637b1bSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9000000000-70967112fec69784847cSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9000000000-92ccc664b07cb6c56de9Spectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-0fb9-9000000000-2aae37aac9f2a02d5e8bSpectrum
GC-MSBenzene, non-derivatized, GC-MS Spectrumsplash10-004i-9100000000-11f8463e7c6286637b1bSpectrum
Predicted GC-MSBenzene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-004i-9000000000-c5901591488019f3ac5dSpectrum
MS/MS
TypeDescriptionSplash KeyView
MS/MSLC-MS/MS Spectrum - EI-B (HITACHI RMU-7M) , Positivesplash10-004i-9000000000-70967112fec69784847cSpectrum
MS/MSLC-MS/MS Spectrum - EI-B (JEOL JMS-D-3000) , Positivesplash10-004i-9000000000-92ccc664b07cb6c56de9Spectrum
MS/MSLC-MS/MS Spectrum - EI-B (HP 5970) , Positivesplash10-0fb9-9000000000-2aae37aac9f2a02d5e8bSpectrum
MS/MSLC-MS/MS Spectrum - CI-B (FINNIGAN-MAT 4500) , Positivesplash10-004i-9100000000-11f8463e7c6286637b1bSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-004i-9000000000-45ac36cbb443a00d6a17Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-004i-9000000000-9cad19d98e6420c7b6a3Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-004i-9000000000-2dace4807cb04a7942deSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-9000000000-b9df9bb9660e1fc49a7fSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-9000000000-b9df9bb9660e1fc49a7fSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-9000000000-b4ff542394722302be43Spectrum
NMR
TypeDescriptionView
1D NMR1H NMR SpectrumSpectrum
1D NMR13C NMR SpectrumSpectrum
2D NMR[1H,13C] 2D NMR SpectrumSpectrum
ChemSpider ID236
ChEMBL IDCHEMBL277500
KEGG Compound IDC01407
Pubchem Compound ID241
Pubchem Substance IDNot Available
ChEBI ID16716
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB01505
CRC / DFC (Dictionary of Food Compounds) IDHMJ64-R:HMJ64-R
EAFUS ID300
Dr. Duke IDBENZENE
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDBNZ
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / Bioactivities
DescriptorIDDefinitionReference
insecticide24852 Strictly, a substance intended to kill members of the class Insecta. In common usage, any substance used for preventing, destroying, repelling or controlling insects.DUKE
larvicideDUKE
pesticide25944 Strictly, a substance intended to kill pests. In common usage, any substance used for controlling, preventing, or destroying animal, microbiological or plant pests.DUKE
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
Files
MSDSshow
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference— Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).