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Copper(II) sulfate CAS#7758-98-7

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Copper(II) sulfate CAS#7758-98-7
Copper(II) sulfate CAS 7758-98-7 with high water solubility, stable performance, and versatile forms for industrial chemical applications.

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Product Description

High Water Solubility:Copper sulfate dissolves easily in water, forming a bright blue solution.


Versatile Physical Forms:Available as greenish-white crystalline solid, blue powder, granules, or ultramarine crystalline solid.


Thermal Stability:Pentahydrate decomposes at high temperatures (above 110℃), while anhydrous copper sulfate decomposes to CuO at 650℃.


Safe Handling Profile:Rated low in flammability (0) and reactivity (0), with moderate health hazard (2) according to NFPA-704.



Products Description of Copper(II) sulfate CAS#7758-98-7

Anhydrous copper sulfate is a greenish-white crystalline solid, while its pentahydrate occurs as blue powder, granules or ultramarine crystals.

The molecular weights are 159.60 (anhydrous) and 249.70 (pentahydrate).

The pentahydrate partially dehydrates at about 110 °C and fully loses water near 150 °C, melting and decomposing around 200 °C.

Anhydrous copper sulfate decomposes into copper(II) oxide at 650 °C.


Product Applications of Copper(II) sulfate CAS#7758-98-7

Copper sulfate, or blue vitriol, is synthesized from sulfuric acid and elemental copper. It forms bright blue crystals soluble in water and alcohol. Mixed with ammonia, it is applied in liquid filtration systems. Blended with potassium bromide, it yields copper bromide bleach for image enhancement and toning. It also serves as a restrainer in ferrous sulfate developers for collodion photography.

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