ChemicalBook Product Catalog Inorganic chemistry Oxides and peroxides Metal oxide AMMONIUM METATUNGSTATE

AMMONIUM METATUNGSTATE

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
AMMONIUM METATUNGSTATE Structure
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 Reference12028-48-7
EPA Substance Registry SystemTungstate (W12(OH)2O386-), hexaammonium (12028-48-7)
Safety Information
Hazard Codes Xn
Risk Statements 22-41-52/53
Safety Statements 26-39-60
WGK Germany 2
TSCA Yes
MSDS Information
ProviderLanguage
ALFA English
AMMONIUM METATUNGSTATE Usage And Synthesis
Chemical Propertieswhite 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 ExplosibilityNotclassified
AMMONIUM METATUNGSTATE Preparation Products And Raw materials
Raw materialsNitric acid-->Ammonium paratungstate-->Ammonium citrate tribasic
Sodium tungstate Cupric oxide ZINC IRON OXIDE Iron oxide brown Ammonium paratungstate AMMONIUM TUNGSTATE PENTAHYDRATE (99.999%-W) PURATREM AMMONIUM METATUNGSTATE AMMONIUM METATUNGSTATE HYDRATE >=66.5%& AMMONIUM TUNGSTATE 99.99% AMMONIUM METATUNGSTATE HYDRATE, >=66.5% W,AMMONIUM METATUNGSTATE HYDRATE, 99.99% AMMONIUM METATUNGSTATE HYDRATE
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