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    AI Overview
    Cobalt tetroxide (
    Co 3 O 4 Co sub 3 O sub 4
    C o 3 O 4
    ), or cobalt(II,III) oxide, is a vital raw material for producing high-stability, heat-resistant inorganic pigments , primarily used to create vibrant blues, greens, and violets in ceramics, glass, and industrial coatings. It acts as a precursor in calcination processes to form durable pigments like cobalt aluminate (cobalt blue) and cobalt zincate (cobalt green).
    Key Aspects of Cobalt Tetroxide in Pigment Production:
    • Ceramic & Glass Colorant: Due to its exceptional thermal stability,
      Co 3 O 4 Co sub 3 O sub 4
      C o 3 O 4
      is used to produce deep blue glazes, enamels, and to neutralize yellow tints in clear glass.
    • Production Process: Cobalt pigments are created by calcining (heating)
      Co 3 O 4 Co sub 3 O sub 4
      C o 3 O 4
      with other metal oxides, such as alumina (
      A l 2 O 3 cap A l sub 2 cap O sub 3
      𝐴 𝑙 2 𝑂 3
      ) or zinc oxide (
      Z n O cap Z n cap O
      𝑍 𝑛 𝑂
      ), to produce stable compounds with excellent lightfastness and resistance to fading or weathering.
    • Versatile Colors: Through blending with different oxides,
      Co 3 O 4 Co sub 3 O sub 4
      C o 3 O 4
      yields various colors, including deep forest green, cold violet, and, most notably, CoAl
      2 sub 2
      2
      O
      4 sub 4
      4
      cobalt blue.
    • Quality Factors: High-purity (
      > 99 % is greater than 99 %
      > 9 9 %
      )
      Co 3 O 4 Co sub 3 O sub 4
      C o 3 O 4
      with controlled, consistent particle size (e.g., ~5 microns) is critical to ensure proper reactivity, color strength, and dispersion in final products.
    • Applications: Beyond ceramics, these pigments are used in high-end artist paints (oil, watercolor, acrylic), industrial coatings, and specialized printing inks.
    While crucial, pigments constitute a small, specific segment of total cobalt consumption compared to its use in lithium-ion batteries.
    • Synthesis and characterization of Zn 1-x Co x O green pigments with ...
      Jul 15, 2017 — Abstract. A series of Zn1-xCoxO (x = 0.01, 0.02, 0.03 and 0.04) green pigments have been synthesized by solid-state reaction. The ...
      ScienceDirect.com
    • Pigment Stories: Cobalt Pigments and the Spectrum of Colour they Create
      May 11, 2021 — Cobalt pigments are produced by calcining cobalt oxide with other metals. They are opaque, velvety, and have qualities like: * Opa...
      Jackson's Art
    • Cobalt Oxide, Cobalt (II, III) Oxide, Cobalt Tetroxide - Science Kit Store
      Cobalt (II, III) Oxide, also known as Cobalt Tetroxide, is widely used in baking blue glass, blue glazes, and enamels. It serves a...
      Science Kit Store
    • The Fascinating World of Cobalt Pigments: Colors, History, and Uses
      May 30, 2025 — What Are Cobalt Pigments? Cobalt pigments are inorganic colourants made from cobalt compounds, typically cobalt salts mixed with o...
      Jackman's Art Materials
    • The Versatile Roles of Cobalt Tetroxide-www.fitechem.com
      Dec 2, 2025 — Beyond high-tech applications, Co₃O₄ has a timeless role in imparting color. It is one of the most powerful and stable blue pigmen...
      Anhui Fitech Material Co.,Ltd
    • Should We Be Concerned About the Source of Cobalt Pigments?
      Mar 8, 2023 — The amount of cobalt used in batteries for electric vehicles, tablets, and smartphones amounts to 57% of the total global consumpt...
      Natural Pigments Europe
    • Recent advance in preparation, applications and color regulation ...
      * Preparation methods of CoAl2O4 pigment. CoAl2O4 pigment was found in ancient time like 16-17th Century Portugal and Netherlands ...
      ScienceDirect.com
    • Design, Synthesis, and Application of Colored Cobalt Pigments ( ...
      Abstract. The combination of white or colorless oxides (MgO, Al2O3, ZnO) with colorant ions (Co2+) generates colored pigments (pin...
      SciELO Brasil
    • Cobalt Oxide - Minnesota Clay
      CoO is a metallic coloring oxide that produces blue in glazes at all temperatures (unless in very high percentages where it will b...
      Minnesota Clay
    • Synthesis and characterization of Zn 1-x Co x O green pigments with ...
      Jul 15, 2017 — Abstract. A series of Zn1-xCoxO (x = 0.01, 0.02, 0.03 and 0.04) green pigments have been synthesized by solid-state reaction. The ...
      ScienceDirect.com
    • Pigment Stories: Cobalt Pigments and the Spectrum of Colour they Create
      May 11, 2021 — Cobalt pigments are produced by calcining cobalt oxide with other metals. They are opaque, velvety, and have qualities like: * Opa...
      Jackson's Art
    • Cobalt Oxide, Cobalt (II, III) Oxide, Cobalt Tetroxide - Science Kit Store
      Cobalt (II, III) Oxide, also known as Cobalt Tetroxide, is widely used in baking blue glass, blue glazes, and enamels. It serves a...
      Science Kit Store
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    The Versatile Roles of Cobalt Tetroxide


    Anhui Fitech Material Co.,Ltd
    https://www.fitechem.com › blog › cobalt-tetroxideco3...
    Anhui Fitech Material Co.,Ltd
    https://www.fitechem.com › blog › cobalt-tetroxideco3...
    Dec 2, 2025 — It is one of the most powerful and stable blue pigments for ceramics and glass. Whether creating the deep blues of fine porcelain or ... Read more

    Should We Be Concerned About the Source of Cobalt ...


    Natural Pigments
    https://www.naturalpigments.com › artist-materials › cob...
    Natural Pigments
    https://www.naturalpigments.com › artist-materials › cob...
    Mar 7, 2023 — This article explores the sources and uses of cobalt metal, including its role in the creation of vibrant and durable pigments used in art, ...
    Missing: tetroxide ‎| Show results with: tetroxide

    Practical identification of cobalt‐based blue pigments ...


    Wiley
    https://analyticalsciencejournals.onlinelibrary.wiley.com › ...
    Wiley
    https://analyticalsciencejournals.onlinelibrary.wiley.com › ...
    by S Ruiz‐Moreno · 2024 · Cited by 3 — Since the early 19th century, the pigment historically known as cobalt blue has been one of the most widely used in artistic painting. Read more

    The CoNb 2 O 6 pigments for brilliant-blue ceramic ...


    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    by C Qiu · 2025 · Cited by 4 — We systematically investigated the structural, optical, colorimetric and thermal properties of a novel type of CoNb 2 O 6 pigments . Read more
    Missing: tetroxide ‎| Show results with: tetroxide

    Cobalt mixed oxide pigments: Human health tier II ...


    Australian Industrial Chemicals Introduction Scheme (AICIS)
    https://www.industrialchemicals.gov.au › files
    Australian Industrial Chemicals Introduction Scheme (AICIS)
    https://www.industrialchemicals.gov.au › files
    PDF
    by CIP Green · 2014 — Several of the chemicals in this group produced mild to no eye irritation in animal tests conducted according to OECD Test Guidelines. Read more
    27 pages

    Making Cobalt Violet Pigment


    YouTube · Apoptosis
    6.4K+ views · 2 years ago
    YouTube · Apoptosis
    6.4K+ views · 2 years ago
    3:45
    Cobalt Violet was the first true Violet pigment first synthesized in 1859 and today I'm going to make it myself to get started.
    4 key moments 4 key moments in this video
    From 00:17
    Nitric Acid
    From 01:02
    Pigment Cobalt Violet
    From 01:51
    Solid Pigment
    From 02:29
    Final Products
    Missing: tetroxide ‎| Show results with: tetroxide
    Apoptosis
    YouTube ·
    May 3, 2023

    Making Cobalt Violet Pigment

    YouTube · Apoptosis · May 3, 2023
    YouTube
    In this video
    • 00:17
      Nitric Acid
    • 01:02
      Pigment Cobalt Violet
    • 01:51
      Solid Pigment
    • 02:29
      Final Products

    Cobalt Oxide, Cobalt (II, III) Oxide, Cobalt Tetroxide


    Chemical Store Inc.
    https://shop.chemicalstore.com › cobalt-ii-iii-oidecobalt...
    Chemical Store Inc.
    https://shop.chemicalstore.com › cobalt-ii-iii-oidecobalt...
    Cobalt oxide for blue glass, pigments , catalysts, and advanced materials. Used in semiconductors, ceramics, batteries, sensors, and solar energy.
    $10.00 to $2,200.00

    Design, Synthesis, and Application of Colored Cobalt ...


    SciELO Brasil
    https://www.scielo.br › jbchs
    SciELO Brasil
    https://www.scielo.br › jbchs
    by FJ Anaissi · 2020 · Cited by 10 — The combination of white or colorless oxides (MgO, Al2O3, ZnO) with colorant ions (Co 2+ ) generates colored pigments (pink, blue, green). Read more

    synthesis, characterization and evaluation of cobalt based ...


    Journal of Advanced Scientific Research
    https://sciensage.info › JASR › article › download
    Journal of Advanced Scientific Research
    https://sciensage.info › JASR › article › download
    PDF
    by KS Baravkar · 2020 · Cited by 1 — The combination of cobalt oxide and zinc oxide produced pigments gives equivalent anti- corrosion properties to chromium oxide pigment . The existence of cobalt ... Read more

    Cobalt and Its Compounds for Bright Pigment and Ink ...


    Stanford Materials
    https://www.stanfordmaterials.com › blog › cobalt-and-it...
    Stanford Materials
    https://www.stanfordmaterials.com › blog › cobalt-and-it...
    5. Conclusion. Cobalt and cobalt compounds are used in the manufacturing of inks and pigments because of their unequalled color intensity and stability. Read more
    Missing: tetroxide ‎| Show results with: tetroxide

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