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About This Item
Linear Formula:
3Na2WO4 · 9WO3 · xH2O
CAS Number:
Molecular Weight:
2968.00 (anhydrous basis)
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
EC Number:
412-770-9
MDL number:
form
powder
Quality Segment
composition
W, 70%
reaction suitability
core: tungsten, reagent type: catalyst
SMILES string
O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O
InChI
1S/6Na.H2O.39O.12W/h;;;;;;1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q6*+1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6*-1;;;;;;;;;;;;
InChI key
YVQUUPJGDSQKML-UHFFFAOYSA-N
Application
Sodium metatungstate hydrate (NaW12O39 XH2O) can be used as a precursor for the preparation of:
- Tungsten oxide (WO3 x H2O) nanoplates for the electrocatalytic reaction of methanol oxidation.
- Tungsten carbide (WC) based counter electrodes for dye-sensitized solar cells (DSSCs).
Suitable for sink/swim analysis
Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
Storage Class
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
dust mask type N95 (US), Eyeshields, Gloves
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