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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

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IUPAC name:
benzene

Inventory

EC number:
200-753-7
EC name:
Benzene
CAS number:
71-43-2
CAS number:
71-43-2
Synonyms
Names:
1,3,5-Cyclohexatriene
Benceno
Benzene
Benzol
Benzole
Coal naphtha
Cyclohexatriene
NSC 67315
Phene
Phenyl hydride
Pyrobenzol
Pyrobenzole
UN 1114
[6]Annulene
benceno, puro

Molecular and structural information

Molecular formula:
C6H6
Molecular weight:
78
SMILES notation:
c1ccccc1
InChl:
InChI=1/C6H6/c1-2-4-6-5-3-1/h1-6H
Structural formula:
Chemical structure

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