Cobalt dihydroxide

Cobalt dihydroxide (CAS 21041-93-0 ), also sold as cobaltous hydroxide, is an inorganic cobalt compound used as a precursor and catalyst intermediate across battery materials, pigment, and specialty chemical manufacturing.

Its primary commercial role is converting into higher-value cobalt compounds through controlled thermal or chemical processing. In lithium-ion battery supply chains, it serves as a direct precursor to cobalt oxide and lithium cobalt oxide cathode materials.

This makes it a critical upstream input for battery-grade chemical producers. Ceramic and glass manufacturers use it to introduce cobalt-based blue pigments into frits and glazes where consistent cobalt loading is required.

In catalysis, it functions as a starting material for producing supported cobalt catalysts used in hydroprocessing and Fischer-Tropsch synthesis. Specialty chemical producers also use it as a reactive intermediate.

It is frequently utilized when synthesizing cobalt salts such as cobalt naphthenate or cobalt acetate. Cobalt dihydroxide is supplied as a fine powder, typically in varying particle size distributions suited to downstream processing.

Technical grade is the standard commercial offering, with high-purity grades available for battery and catalyst applications where trace metal limits are tightly controlled. Packaging ranges from small drums to bulk quantities.

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