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Fórmula lineal:
(NH4)6H2W12O40 · xH2O
Número CAS:
Peso molecular:
2956.30 (anhydrous basis)
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
234-733-4
MDL number:
Assay:
99.99% trace metals basis
Form:
powder
Servicio técnico
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99.99% trace metals basis
form
powder
reaction suitability
reagent type: catalyst
impurities
≤150.0 ppm Trace Metal Analysis
mp
100 °C (dec.) (lit.)
SMILES string
N.N.N.N.N.N.O.O[W]1O[W](O)(=O)(O1)O[W]2(=O)(=O)O[W](O)(=O)(O2)O[W]3(=O)(=O)O[W](O)(=O)(O3)O[W]4(=O)(=O)O[W](O)(=O)(O[W]5(=O)(=O)O[W](O)(=O)(O[W]6(=O)(=O)O[W](O)(O)O6)O5)O4
InChI
1S/6H3N.9H2O.32O.12W/h6*1H3;9*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6*+1;+2/p-8
InChI key
ZBHPUDGBNLMJQH-UHFFFAOYSA-F
General description
Ammonium metatungstate is a Keggin-type heteropoly compound. It can be prepared by polycondensation of ammonium tungstate solutions. It is widely used as a precursor for preparing tungsten catalysts for hydrocracking and as a fuel cell catalyst.
Application
Ammonium metatungstate can be used as a precursor to synthesize:
- Carbon-supported tungsten catalyst for hydrogenolysis of cellulose.
- Reduced tungsten and mixed tungsten oxide catalysts for bifunctional hydroisomerization of n-alkanes.
- Hybrid 2D/3D tungsten diselenide transistors via chemical vapor deposition method.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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