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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-113-5
EC name:
Niobium
CAS number:
7440-03-1
CAS number:
7440-03-1
Synonyms
Names:
Columbium
Columbium metal
Niob
Niobium
Niobium element
Niobium metal
Identifier:
IUPAC name
niobium
Identifier:
IUPAC name
niobium (2+)
Identifier:
IUPAC name
niobium(2+)
Identifier:
other: InChl
InChI=1/Nb/q+2
Niobium

Molecular and structural information

Molecular formula:
Nb
Molecular weight:
92.905
SMILES notation:
[Nb]
InChl:
InChI=1S/Nb
Structural formula:
Chemical structure

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