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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:
IUPAC name:
water

Inventory

EC number:
231-791-2
EC name:
Water
CAS number:
7732-18-5
CAS number:
7732-18-5
Synonyms
Names:
Distilled water
Hydrogen oxide (H2O)

Molecular and structural information

Molecular formula:
H2O
Molecular weight:
18.02
SMILES notation:
O
InChl:
InChI=1/H2O/h1H2
Structural formula:
Chemical structure

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