Barium tungstate

Base Information

• Chemical Name: Barium tungstate
• CAS No.: 7787-42-0
• Molecular Formula: Ba*O₄W
• Molecular Weight: 385.178
• Hs Code.: 2805191000
• Mol file: 7787-42-0.mol

Synonyms:Bariumtungstate(VI) (6CI);Tungstic acid (H2WO4), barium salt (1:1) (8CI);Barium dioxido(dioxo)tungsten;Barium white;Bariumtungsten oxide;C.I. 77128;C.I. Pigment White 13;Pigment White 13;Tungstate White;Tungsten white;

Chemical Property of Barium tungstate

Chemical Property:

• Appearance/Colour: White powder tetragonal system structure
• PSA: 80.26000
• Density: 5.04 g/mL at 25 °C(lit.)
• LogP: -0.47520
• Water Solubility.: insoluble H2O [HAW93]

Purity/Quality:

98%,99%, ^*data from raw suppliers

Barium tungstate 100 mesh, 99.9% trace metals basis ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 20/22
• Safety Statements: 28

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Investigations on: Luminescence propertiesAntimonate photocatalystsDielectric and tunable characteristics of composite ceramics for microwave applicationsNanohybrid synthesis, luminescence and spontaneous conversion to hexagonal tungsten trioxide nanosheetsElectrochemical synthesis and investigation of barium tungstate crystalsReactant for ammonolysis to give oxynitride Pigment and in X-ray photography for manufacturing of intensifying and phosphorescent screens.

Technology Process of Barium tungstate

There total 7 articles about Barium tungstate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.33%

sodium tungstate + barium(II) nitrate → barium tungstate (7787-42-0)

Guidance literature:

With sodium nitrate; In melt; mixt. of NaNO3, Ba(NO3)2 and Na2WO4 heated in fused quartz tube at 400°C for 40-50 min with periodic stirring of the melt; poured into porcelain cup; cooled; washed with H2O; dried to const. weight at 200°C; elem. anal.;

DOI:10.1134/S0036023606040036

Reference yield:

sodium tungstate (VI) dihydrate (10213-10-2) + barium(II) nitrate → barium tungstate (7787-42-0)

Guidance literature:

In water; at 25 ℃; for 1.5h; Sonication;

DOI:10.1039/c3ra44350g

Reference yield:

tungsten(VI) oxide + barium carbonate → barium tungstate (7787-42-0)

Guidance literature:

byproducts: CO2; Kinetics;

upstream raw materials:

sodium tungstate (VI) dihydrate

barium(II) chloride dihydrate

Refernces

• 1、 Al-Hajji, Latifa A.,Hasan, Muhammad A.,Zaki, Mohamed I.. "Kinetics of formation of barium tungstate in equimolar powder mixture of BaCO3 and WO3: Thermogravimetric and spectroscopic studies". . p. 43 - 49. Retrieved 2010.
• 2、 Alemany, Pere,Canadell, Enric,Conejeros, Sergio,Cunquero, Marina,Fina, Ignasi,Fontcuberta, Josep,Frontera, Carlos,Fuertes, Amparo,Gàzquez, Jaume,Loza-Alvarez, Pablo,Oró-Solé, Judith,Ritter, Clemens. "Engineering Polar Oxynitrides: Hexagonal Perovskite BaWON2". . p. 18395 - 18399. Retrieved 2020.
• 3、 Dong, Feng-Qiang,Wu, Qing-Sheng,Ding, Ya-Ping. "Morphology-controlled synthesis of BaWO4 crystals via biominmetic SLM system". . p. 571 - 574. Retrieved 2009.
• 4、 Ekstrom,Tilley. "FORMATION OF A SERIES OF BARIUM TUNGSTEN BRONZES.". . p. 259 - 268. Retrieved 1979.
• 5、 Zhuang, Hao,Yue, Zhenxing,Zhao, Fei,Li, Longtu. "Low-temperature sintering and microwave dielectric properties of Ba 5Nb4O15-BaWO4 composite ceramics for LTCC applications". . p. 3275 - 3279. Retrieved 2008.
• 6、 Lacz, Agnieszka,Okas, Paulina,Lach, Radoslaw. "Reactivity of solid BaCe0.9Y0.1O3-δ towards melted WO3". . p. 131 - 139. Retrieved 2019.
• 7、 Zhuang, Hao,Yue, Zhenxing,Meng, Siqin,Zhao, Fei,Li, Longtu. "Low-temperature sintering and microwave dielectric properties of Ba 3(VO4)2-BaWO4 ceramic composites". . p. 3738 - 3741. Retrieved 2008.
• 8、 Lim, Chang Sung. "Cyclic microwave synthesis and photoluminescence of barium tungstate particles assisted by a solid-state metathetic reaction". . p. 63 - 66. Retrieved 2013.
• 9、 Bissengaliyeva, Mira R.,Zhakupov, Ramazan M.,Knyazev, Alexander V.,Gogol, Daniil B.,Taimassova, Shynar T.,Balbekova, Bakhyt K.,Bekturganov, Nuraly S.. "Structure and calorimetric study of complex oxides based on lanthanum, tungsten, and alkaline earth elements MeLa2WO7 (Me = Mg, Ca, Sr, Ba)". . p. 2287 - 2301. Retrieved 2020/01/28.