12028-48-7

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12028-48-7 Structure

Identification	Back Directory
[Name] AMMONIUM METATUNGSTATE
[CAS] 12028-48-7
[Synonyms] TUNGSTATEHEXAAMMONIUM AMMONIUM METATUNGSTATE AMMONIUM TUNGSTEN OXIDE hexaammonium wolframate AMMONIUM TUNGSTATE, META ammonium metatungstate hexahydrate Ammoniummetatungstatehydrate(99.9+%-W)
[EINECS(EC#)] 234-733-4
[Molecular Formula] H26N6O40W12
[MDL Number] MFCD00042673
[MOL File] 12028-48-7.mol
[Molecular Weight] 2956.3

Chemical Properties	Back Directory
[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)

Hazard Information	Back Directory
[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] Notclassified

Raw materials And Preparation Products	Back Directory
[Raw materials] Nitric acid-->Ammonium paratungstate-->Ammonium citrate tribasic

Spectrum Detail	Back Directory
[Spectrum Detail] AMMONIUM METATUNGSTATE(12028-48-7)IR1

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