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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Ammonium wolframate
EC Number:
234-364-9
EC Name:
Ammonium wolframate
CAS Number:
11120-25-5
Molecular formula:
(NH4)10H2W12O42*4H2O
IUPAC Name:
Ammonium (para)tungstate

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Ammonium wolframate
  • APT
  • ammonium paratungstate
  • ammonium tungstate (VI)
  • AMMONIUM PARATUNGSTATE HARD METAL GRADE
  • AMMONIUM PARATUNGSTATE WIRE GRADE
  • AMMONIUM PARATUNGSTATE WIRE GRADE STANDARD
  • APT
  • Ammonium Paratungstate
  • Ammonium Paratungstate APT EG
  • Ammonium paratungstate
  • Ammonium tungstate
  • Ammonium wolframate
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Ammonium wolframate
    EC Number:
    234-364-9
    EC Name:
    Ammonium wolframate
    CAS Number:
    11120-25-5
    Molecular formula:
    (NH4)10H2W12O42*4H2O
    IUPAC Name:
    Ammonium (para)tungstate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Ammonium wolframate
    EC Number:
    234-364-9
    EC Name:
    Ammonium wolframate
    CAS Number:
    11120-25-5
    Molecular formula:
    (NH4)10H2W12O42*4H2O
    IUPAC Name:
    Ammonium (para)tungstate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Ammonium wolframate
    EC Number:
    234-364-9
    EC Name:
    Ammonium wolframate
    CAS Number:
    11120-25-5
    Molecular formula:
    (NH4)10H2W12O42*4H2O
    IUPAC Name:
    Ammonium (para)tungstate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Ammonium wolframate
    EC Number:
    234-364-9
    EC Name:
    Ammonium wolframate
    CAS Number:
    11120-25-5
    Molecular formula:
    (NH4)10H2W12O42*4H2O
    IUPAC Name:
    Ammonium (para)tungstate