Description

Tungstate CAS NO 12737-86-9 is an inorganic salt of tungstic acid, a key source of the tungsten element. This compound is valued for its role as a versatile precursor and catalyst in advanced industrial processes. It is essential for manufacturers and research facilities in sectors including metallurgy, ceramics, and chemical synthesis.

Application

• Catalyst & Chemical Synthesis: Acts as a precursor and catalyst in the production of other tungsten compounds and organic synthesis reactions.
• Ceramics & Pigments: Used in the formulation of specialty ceramics, glazes, and inorganic pigments to enhance color and durability.
• Metallurgy & Corrosion Inhibition: Employed in surface treatment and alloy production, and as a component in corrosion-resistant coatings.
• Analytical Chemistry & Laboratory Reagents: Serves as a reagent in analytical procedures and for the preparation of standard solutions.
• Fireproofing & Flame Retardants: Incorporated into materials to improve fire resistance and retardant properties.
• Electronics & Functional Materials: Used in the development of electronic components, phosphors, and other functional materials.

Basic Information

Product Name	Tungstate
CAS No.	12737-86-9
Molecular Formula	WO42- (as sodium salt: Na2WO4)
Molecular Weight	Contact for details (varies by specific cation)
Synonyms	Tungstate ion; Tungstate(VI); Wolframate; Sodium tungstate (common commercial form); Tungstic acid, disodium salt; Tungsten sodium oxide; Disodium tetraoxotungstate(2-); EINECS 235-805-1 (for sodium tungstate)

Quality Control

Our Tungstate products undergo rigorous quality testing to ensure compliance with industry standards. We offer various grades, including technical and high-purity, with specifications tailored to your application needs. Certificates of Analysis (COA) are available upon request to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder or granules
Identification (IR)	Conforms
Assay (as Na2WO4·2H2O)	≥ 99.0%
pH (5% solution)	7.0 - 9.0
Chloride (Cl)	≤ 0.005%
Sulfate (SO4)	≤ 0.01%
Heavy Metals (as Pb)	≤ 10 ppm
Insoluble Matter	≤ 0.01%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.