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Cobalt carbonate (carbonate), 1 kg

Why Cobalt Carbonate Remains a Key Blue Pigment Precursor for Industry

Cobalt carbonate is an inorganic compound widely valued for its ability to generate vivid blue and blue-green colors after thermal processing. The main commercial demand for this material comes from the ceramics and glass industries, where it serves as a precursor to the well-known cobalt pigment responsible for deep blue tones in fired glazes, enamels and glass. The product belongs to the Chemical Raw Materials section, which brings together reagents used for industrial synthesis, laboratory work and the manufacture of specialized materials.

When heated, cobalt carbonate decomposes, releasing carbon dioxide and forming cobalt oxide, the compound directly responsible for the characteristic saturated blue color known in ceramics and glassmaking circles as cobalt blue. Beyond decorative pottery, this material is used in the production of specialty glass, porcelain, stoneware and enamel coatings for metal parts that require heat-resistant colored finishes. Another significant application lies in the broader chemical industry, where cobalt carbonate acts as a starting material for producing other cobalt salts, including cobalt sulfate and cobalt oxide, both important for cathode materials used in rechargeable battery production. The compound also functions as a catalyst in petroleum refining and organic synthesis, accelerating oxidation and hydrogenation reactions used across the petrochemical sector.

In agriculture and animal husbandry, trace amounts of cobalt compounds are incorporated into mineral feed supplements, since this element is essential for vitamin B12 synthesis in ruminant animals. In such formulations cobalt carbonate is dosed with extreme precision, typically within fractions of a percent of the total supplement mass.

The 1 kg package size makes this material a practical choice for laboratory research, formulation development for new glaze and pigment recipes, and small ceramic studios testing color outcomes before scaling up to larger batches. When formulating ceramic glazes, cobalt carbonate is usually introduced during the dry blending stage together with flux components, at a dosage ranging from 0.5 to 3 percent of the total mixture, depending on the desired intensity of the blue shade. A useful companion in such recipes is Magnesium oxide, 25 kg, commonly used as a refractory flux in glazes and ceramic bodies, along with Boric acid 1000 kg, frequently applied as a fluxing agent to lower the sintering temperature of frit compositions.

For maintaining equipment used in cobalt-based processing, industrial facilities often rely on Sulfamic acid, 25 kg, which effectively removes scale and mineral deposits from reactors and vessels after production cycles.

Cobalt carbonate should be stored in a dry, well-ventilated area, in a tightly sealed container, away from acids, oxidizers and moisture, since contact with acidic media triggers carbon dioxide release and decomposition of the compound. Personal protective equipment is recommended when handling the material to avoid inhaling dust or skin contact.

Test-Batch Cobalt Blue Glaze for Small Kiln Firing

Feldspar 380 g

Kaolin clay 210 g

Silica sand 140 g

Whiting (calcium carbonate) 110 g

Cobalt carbonate 14 g

Water 340 ml

Date:

today

Author:

Марта, Сніжне

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1 September 2026

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INCI	Cobalt carbonate hydroxide
Other
Att brand	France
Descriptio smell	characteristic
Features	Chemical formula: 2CoСO3 • 3Co (OH) 2 • H2O
Minimum count	1 kg
Name	Cobalt carbonate (carbonate), 1 kg
Other names	Cobalt (II) carbonate hydroxide
Packaging	container for transportation
Packing	1 kg
View	powder