C6H6
78.11 g/mol
Industrial ChemicalDanger
Benzene
CAS71-43-2EC200-753-7
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
solvent and chemical intermediate
Benzene is an organic chemical compound composed of six carbon atoms in a planar hexagonal ring, each bonded to one hydrogen atom. It is a hydrocarbon widely used as a solvent and as a chemical intermediate in industrial processes.
solventchemical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 71-43-2
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H340May cause genetic defects
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
H332Harmful if inhaled
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H341Suspected of causing genetic defects
Customs Tariff Classification
The international HS code for Benzene (CAS 71-43-2) is 2707.10, 2902.20.
HS code (international, 6-digit)
2707.10, 2902.20
EU CN code (8-digit)
2707 10 00, 2902 20 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
benzene
InChIKey
UHOVQNZJYSORNB-UHFFFAOYSA-N
SMILES
C1=CC=CC=C1
Synonyms (81)
- BNZ
- RNG
- Biperiden EP Impurity F; Isopropyl Alcohol EP Impurity B
- (6)Annulene
- 1,3,5-cyclohexatriene
- 1hyz
- 1l83
- 1swi
- 22 - BTEX in Soil
- 2z9g
- 3,4-DNH
- 34J - WFD J
- 4i7j
- 5 - VOCs
- 7 - VOCs (Perkin Elmer tubes)
- ACETONE IMPURITY C
- BENZENE (BENZOL)
- BENZENE [MART.]
- Benzeen
- Benzeen [Dutch]
- Benzen
- Benzen [Polish]
- Benzene, SAJ first grade
- Benzene, anhydrous
- Benzene, pure
- Benzene, purification grade
- Benzene, puriss. p.a.
- Benzene, purum, >=99.0% (GC)
- Benzenesulfonic Impurity 1
- Benzin
- Benzin (Obs.)
- Benzine
- Benzine (Obs.)
- Benzinum
- Benzol 90
- Benzolene
- Benzolo
- Benzolo [Italian]
- Benzolum
- Bicarburet of hydrogen
- Cc-34,(+/-)
- Coal naphtha
- Cyclohexatriene
- Fenzen
- Fenzen [Czech]
- HEADACHE INSOMNIA
- Mineral naphtha
- Motor benzol
- Nitration benzene
- Ph-H
- Phene
- Phenyl hydride
- Pyrobenzol
- Pyrobenzole
- benzene
- benzene,iodomanganese(1+)
- benzol
- benzole
- p-benzene
- phenylmanganese iodide