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12028-48-7

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12028-48-7 Structure

12028-48-7 Structure
IdentificationBack 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 PropertiesBack 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 InformationBack 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
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

22-41-52/53
[Safety Statements ]

26-39-60
[WGK Germany ]

2
[TSCA ]

Yes
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Nitric acid-->Ammonium paratungstate-->Ammonium citrate tribasic
Spectrum DetailBack Directory
[Spectrum Detail]

AMMONIUM METATUNGSTATE(12028-48-7)IR1
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