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AMMONIUM METATUNGSTATE

Basic information Safety Supplier Related

AMMONIUM METATUNGSTATE Basic information

Product Name:
AMMONIUM METATUNGSTATE
Synonyms:
  • AMMONIUM TUNGSTATE, META
  • AMMONIUM TUNGSTEN OXIDE
  • AMMONIUM METATUNGSTATE
  • Ammoniummetatungstatehydrate(99.9+%-W)
  • TUNGSTATEHEXAAMMONIUM
  • ammonium metatungstate hexahydrate
  • hexaammonium wolframate
CAS:
12028-48-7
MF:
H4NO40W12(-5)
MW:
2864.08
EINECS:
234-733-4
Product Categories:
  • metal tungstate
Mol File:
12028-48-7.mol
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AMMONIUM METATUNGSTATE Chemical Properties

Melting point:
100 °C (dec.)(lit.)
Density 
4[at 20℃]
solubility 
H2O: 0.1 g/mL, clear, colorless
form 
Powder
color 
white
Water Solubility 
Soluble in water. Insoluble in alcohol.
CAS DataBase Reference
12028-48-7
EPA Substance Registry System
Tungstate (W12(OH)2O386-), hexaammonium (12028-48-7)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22-41-52/53
Safety Statements 
26-39-60
WGK Germany 
2
TSCA 
Yes

MSDS

  • Language:English Provider:ALFA
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AMMONIUM METATUNGSTATE Usage And Synthesis

Chemical Properties

white crystal(s); formula also given as (NH4)6H2W12O40 and (NH4)6W12O39 ·4H2O; preparation: reaction of NH4OH with tungstic acid; uses: to prepare tungsten alloys and ammonium phosphotungstate [HAW93] [STR93] [ALD94]

Flammability and Explosibility

Not classified

AMMONIUM METATUNGSTATE Preparation Products And Raw materials

Raw materials

AMMONIUM METATUNGSTATESupplier

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