Sodium tungstate dihydrate

Base Information

• Chemical Name: Sodium tungstate dihydrate
• CAS No.: 10213-10-2
• Molecular Formula: H2O.Na.1/2O4W
• Molecular Weight: 329.858
• Hs Code.: 28418000
• Mol file: 10213-10-2.mol

Synonyms:Tungsticacid (H₂WO₄), disodium salt, dihydrate (8CI);Disodium tungstate (Na₂WO₄)dihydrate;Sodium tungstate (Na₂WO₄.2H₂O);Sodium tungstate dehydrate;

Chemical Property of Sodium tungstate dihydrate

Chemical Property:

• Appearance/Colour: White to slightly yellow crystalline powder
• Melting Point: 698 °C
• PSA: 98.72000
• Density: 4.18 g/cm³
• LogP: -0.60380
• Storage Temp.: Storage temperature: no restrictions.
• Solubility.: H2O: 1 M at 20 °C, clear, colorless
• Water Solubility.: 730 g/L (20 ºC)

Purity/Quality:

99% ^*data from raw suppliers

Sodium tungstate dihydrate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22-36/38-36
• Safety Statements: 36-37/39-26-39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Fireproofing and waterproofing fabrics; preparing complex Compounds such as phosphotungstate and silicotungstate; as a protective colloid in biological development methods; precipitant for alkaloids; catalyst in oxidation reactions; corrosion inhibitor for steel. Sodium tungstate dihydrate is currently being investigated as a potential therapy for obesity. Sodium tungstate dihydrate is also an inhibitor of acid phosphatases. Sodium tungstate dihydrate may be used in the preparation of aqueous sols of tungsten oxide dihydrate.

Technology Process of Sodium tungstate dihydrate

There total 5 articles about Sodium tungstate dihydrate 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:

ortho-tungstic acid + sodium hydroxide (1310-73-2) → sodium tungstate (VI) dihydrate (10213-10-2)

Guidance literature:

In not given; heating, filtration; evapn., crystn.;

Reference yield:

sodium carbonate (497-19-8) + ortho-tungstic acid → sodium tungstate (VI) dihydrate (10213-10-2)

Guidance literature:

In not given; heating, filtration; evapn., crystn.;

Reference yield:

tungsten(VI) oxide + sodium hydroxide (1310-73-2) → sodium tungstate (VI) dihydrate (10213-10-2)

Guidance literature:

In acetic acid; heating, filtration; evapn., crystn.;

upstream raw materials:

sodium hydroxide

sodium carbonate

Downstream raw materials:

2-(methylsulfonyl)-1H-benzo[d]imidazole

dl-threo-2-(2,4-difluorophenyl)-3-methyl-sulfonyl-1-(1H-1,2,4-triazol-1-yl)-butan-2-ol

7[C(NH₂)3]⁽¹⁺⁾*[NH₂C₆H₄AsW₇O₂₇H]^(7-)*5H₂O=[C(NH₂)3]7[NH₂C₆H₄AsW₇O₂₇H]*5H₂O

cobalt(II) oxalate

Refernces