Description

Vanadium(II) Sulfate Heptahydrate is a specialized inorganic salt of vanadium in its +2 oxidation state. This compound serves as a critical precursor and catalyst in advanced material synthesis and specialized chemical processes where a controlled source of divalent vanadium is required. It is essential for research and industrial applications in sectors including catalysis, energy storage, and the production of specialty alloys and pigments.

Application

• Catalyst Precursor: Used in the synthesis of specialized catalysts for organic synthesis and polymerization reactions.
• Electrolyte Component: Employed in research and development for next-generation redox flow batteries and electrochemical systems.
• Chemical Synthesis: Acts as a reducing agent or vanadium source in the preparation of other vanadium compounds and complexes.
• Material Science: Utilized in the deposition of vanadium-containing thin films and coatings for functional materials.
• Laboratory Research: Serves as a standard or reagent in analytical chemistry and academic research exploring vanadium chemistry.
• Specialty Alloy Processing: Used in minor quantities for modifying the properties of certain ferrovanadium and non-ferrous alloys.

Basic Information

Product Name	Vanadium(II) Sulfate Heptahydrate
CAS No.	36907-42-3
Molecular Formula	VSO₄ · 7H₂O
Molecular Weight	273.10 g/mol (anhydrous basis)
Synonyms	Vanadous Sulfate Heptahydrate; Vanadium(2+) Sulfate Heptahydrate; Sulfuric Acid, Vanadium(2+) Salt, Heptahydrate; Vanadium Monosulfate Heptahydrate
EINECS	Contact for details

Quality Control

Our Vanadium(II) Sulfate Heptahydrate is manufactured under controlled conditions to ensure batch-to-batch consistency and high chemical purity. Quality is assured through a rigorous analytical protocol including assay, impurity profiling, and confirmation of key physical parameters. A Certificate of Analysis (COA) detailing purity, heavy metal content, and other relevant specifications is provided with each shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere (e.g., argon or nitrogen) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Pale violet to gray crystalline solid
Identification (IR)	Conforms
Assay (VSO₄·7H₂O)	≥ 95.0 %
Water Content (Karl Fischer)	40.0 - 46.0 %
Insoluble Matter	≤ 0.1 %
Heavy Metals (as Pb)	≤ 50 ppm

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