Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:
IUPAC name:
dichlorine

Inventory

EC number:
231-959-5
EC name:
Chlorine
CAS number:
7782-50-5
CAS number:
7782-50-5
Synonyms
Names:
Bertholite
CCRIS 2280
Caswell No. 179
Chloor
Chlor
Chlore
Chlorine
Chlorine gas
Chlorine mol.
Cloro
EPA Pesticide Chemical Code 020501
HSDB 206
Molecular chlorine
UN 1017
chlorine
chlorine molecular chlorine chlorine gas
dichlorine
Identifier:
IUPAC name
Active chlorine generated from chloride of ambient water by electrolysis
Identifier:
IUPAC name
Chlorine
Identifier:
IUPAC name
dichlorane
Identifier:
IUPAC name
dichlorine
Identifier:
IUPAC name
molecular chlorine
Identifier:
other: InChl
1/Cl2/c1-2
Identifier:
other: InChl
1S/Cl2/c1-2
Identifier:
other: SMILES notation
2Cl
Identifier:
other: SMILES notation
CLCL
Identifier:
other: InChl
InChI=1/Cl2/c1-2
Identifier:
other: InChl
InChI=1/Cl2/c1-2
Identifier:
other: InChl
InChI=1S/Cl2/c1-2
Identifier:
other: InChl
InChI=1S/Cl2/c1-2
Identifier:
other: InChl
InChI=1S/Cl2/c1-2 AuxInfo=1/0/N:1,2/E:(1,2)/rA:2ClCl/rB:s1;/rC:;1.54,0,0;
Identifier:
other: SMILES notation
[Cl][Cl]
chlorine

Molecular and structural information

Molecular formula:
Cl2
Molecular weight:
70.906
SMILES notation:
ClCl
InChl:
InChI=1/Cl2/c1-2
Structural formula:
Chemical structure

Related substances