Speciality Chemicals

Sodium Tungstate Dihydrate

CAS No.13472-45-2
GradeIndustrial / Pharmaceutical
Availability● In Stock

High purity Sodium Tungstate Dihydrate for industrial applications, serving as a reliable reagent for fireproofing and chemical synthesis processes.

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Product Technical Details

Product Overview

Sodium Tungstate Dihydrate is a premier inorganic compound widely recognized for its versatility in industrial and laboratory settings. Identified by CAS number 13472-45-2, this chemical substance presents as a colorless crystal or white crystalline powder. It is characterized by its solubility in water and insolubility in ethanol, with an aqueous solution that exhibits weakly basic properties. Our manufacturing process ensures that the product maintains stability under standard conditions, though it may undergo weathering when exposed to dry air for extended periods. This high-quality reagent is essential for professionals requiring consistent performance in complex chemical formulations.

Technical Specifications

We adhere to strict quality control protocols to deliver Sodium Tungstate that meets various grade requirements, including Analytical Reagent (A.R.), Chemical Pure (C.P.), and Technical Grade. The following table outlines the key parameters ensuring compliance with international standards:

Item	A.R. Spec.	C.P. Spec.	Technical Grade
Assay %	≥99.5	≥99.0	≥98.0
Alkalinity Test	Pass	Pass	PH8.5-9
Chlorides (Cl) %	≤0.005	≤0.007	--
Water Insoluble %	≤0.01	≤0.02	≤0.05
Iron (Fe) %	≤0.0005	≤0.001	≤0.001
Heavy Metals (as Pb)	≤0.0005	≤0.002	≤0.002

Industrial Applications

This compound serves multiple critical functions across various sectors. Primarily, it acts as an effective alkaloid precipitator in chemical analysis and purification processes. In the textile industry, Sodium Tungstate is utilized as a fireproofing agent, enhancing the safety profiles of fabrics and materials. Additionally, it finds application in catalysis and the production of other tungsten-based compounds. Its high purity levels make it suitable for sensitive laboratory reactions where impurity interference must be minimized. Manufacturers rely on this material for consistent results in synthesis routes requiring precise stoichiometry.

Quality Assurance and Packaging

Our commitment to excellence involves rigorous testing at every stage of production. Each batch is accompanied by a Certificate of Analysis (COA) verifying compliance with specified parameters. To ensure product integrity during transit, we utilize robust packaging solutions. The standard package consists of a 25kg cardboard drum lined with a double-layer plastic bag, providing excellent protection against moisture and physical damage. This packaging design aligns with global shipping regulations for chemical substances.

Storage and Handling

Proper storage is vital to maintain the chemical properties of Sodium Tungstate. The product should be stored in a cool, dry environment, protected from direct sunlight and sources of heat. Containers must remain sealed when not in use to prevent exposure to atmospheric moisture which could lead to caking or degradation. Safety precautions include protecting the material from fire and potential contamination. Handling should be conducted in well-ventilated areas with appropriate personal protective equipment to ensure operator safety during industrial operations.