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14031 Potassium tungsten oxide, 99.5% (metals basis)

CAS Number
7790-60-5
Synonyms
Potassium tungstate

Stock No. Size Price ($) Quantity Availability
14031-14 25g 49.40
14031-22 100g 176.00
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Potassium tungsten oxide, 99.5% (metals basis)

MDL
MFCD00049668
EINECS
232-215-2

Chemical Properties

Formula
K2WO4
Formula Weight
326.04
Form
-60 Mesh Powder
Melting point
921°
Density
3.12
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Solubility
Soluble in water.

Applications

Potassium tungsten oxide is used in solar energy and water treatment applications. It is used as alkaloids precipitating agent, bronze production and in tungsten refining. It is also used as an analytical reagent. Further, it is added to molten carbonate fuel cell to prevent the corrosion of stainless-steel separator and retards the sintering of the anode.

Notes

Hygroscopic. Incompatible with oxidizing agents.

Literature References

Yang, J.; Hu, D.; Li, W.; Yang, X. Effect of distribution of phase transfer catalysts in the microreactor shells on the catalytic oxidation of dibenzothiophene. Microporous Mesoporous Mater. 2015, 202, 165-174.

Nave, M. I.; Chen-Wiegart, Y. C. K.; Wang, J.; Kornev, K. G. Precipitation and surface adsorption of metal complexes during electropolishing. Theory and characterization with X-ray nanotomography and surface tension isotherms. Phys. Chem. Chem. Phys. 2015, 17 (35), 23121-23131.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,7694
Harmonized Tariff Code
2841.80
TSCA
Yes

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