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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Identification

Chemical structure
Display Name:
Tantalum
EC Number:
231-135-5
EC Name:
Tantalum
CAS Number:
7440-25-7
Molecular formula:
Ta
IUPAC Name:
tantalum

Type of Substance

Composition:
mono-constituent substance
Origin:
element

Substance Identifiers open all close all

  • 231-135-5
  • 7440-25-7
  • Ta metal
  • Tantalum
  • Tantalum Metal
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    other: Solid metal


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum


    Constituent 1
    Chemical structure
    Reference substance name:
    Tantalum
    EC Number:
    231-135-5
    EC Name:
    Tantalum
    CAS Number:
    7440-25-7
    Molecular formula:
    Ta
    IUPAC Name:
    tantalum

    Composition(s) generated upon use

    Other types of composition(s)