- Kandivali, Mumbai, Maharashtra
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dcdhruvchemicals@gmail.com
| Business Type | Manufacturer, Exporter, Supplier |
| Brand Name | Indian |
| Color | White |
| Application | Industrial, Commonly Used In The Production Of Tungsten Metal,As A Catalyst,In The Mining Industry,And In Analytical Chemistry |
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Product Details
CAS No.
10213-10-2
Purity
99%, High Purity Grade For Industrial Applications
Feature
Cost Effective, High Purity, Premium Quality
Packaging Type
Typically Comes In Powder Form In Sealed Containers
Solubility
Soluble In Water
Material
Sodium Tungstate
Type
Inorganic Compound
Tungsten Metal
55%
Assay
99% Min
Delivery Time
4 to 6 days
Packaging Details
25 kgs or 50 kgs
Sodium Tungstate (also known as sodium wolframate or disodium orthotungstate) is an inorganic, water-soluble compound that serves as a primary intermediate in tungsten processing and a versatile catalyst in organic chemistry.
Key Properties
| Property | Anhydrous Form | Dihydrate Form (Most Common) |
| Chemical Formula | $\text{Na}_2\text{WO}_4$ | $\text{Na}_2\text{WO}_4 \cdot 2\text{H}_2\text{O}$ |
| CAS Number | 13472-45-2 | 10213-10-2 |
| Molar Mass | $293.82\text{ g/mol}$ | $329.85\text{ g/mol}$ |
| Appearance | White crystalline powder or solids | White rhombohedral crystals / crystalline powder |
| Density | $4.18\text{ g/cm}^3$ | $3.25\text{ g/cm}^3$ |
| Melting Point | $698^\circ\text{C}$ | Loses water of hydration at $\sim100^\circ\text{C}$ |
| Solubility in Water | Highly soluble ($\sim 74\text{ g/100 mL}$ at $25^\circ\text{C}$) | Freely soluble in water |
| Solubility in Organic Solvents | Insoluble in alcohol and acids | Insoluble in alcohol and acids |
| Aqueous Solution pH | Slightly alkaline ($\text{pH } 8 - 10.5$) | Slightly alkaline ($\text{pH } 8 - 10.5$) |
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Tungsten Metal & Compound Extraction: Serves as a critical industrial intermediate when extracting tungsten from tungsten ores (such as wolframite and scheelite).
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Chemical Synthesis & Catalysis: Used as a green catalyst in organic reactions, including the oxidation of alcohols to aldehydes or ketones and the epoxidation of alkenes.
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Textile Industry: Applied as a fabric-weighting agent and used in fire-retardant and waterproof treatments for textiles.
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Corrosion Control & Water Treatment: Acts as a corrosion inhibitor in industrial cooling towers and closed loop water systems.
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Laboratory & Biological Reagent: Used in biochemical assays (e.g., Folin-Wu blood protein testing reagent) and as a precipitating agent for alkaloids.
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Biomedical Research: Researched in animal models as a phosphatase inhibitor with potential antidiabetic and anti-obesity properties.
Sodium tungstate is generally considered low-to-moderately toxic, but standard laboratory and industrial protective equipment (gloves, safety goggles, dust mask) should be used to avoid skin contact or inhalation of dust. The dihydrate form is hygroscopic and should be kept in tightly sealed containers in a cool, dry area.
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