Metal oxides

  • Basic Chromium Sulphate - CHROMIUM (III) SULPHATE Basic Extra Pure

What is the Colour of chromium sulphate? Where is chromium sulfate found? What is the formula of chromium sulfate? Is cr2 SO4 3 ionic or molecular


Basic Chromium Sulfate is mainly used in tanning of processing leather industry or synthesis of other chromium based re-tanning agents and production of chromic compound. It is also used in dyeing of khaki cloth and in manufacture of chrome-based dyestuffs.

Basic chromium sulfate, also known as chromium(III) sulfate or chromic sulfate, is a chemical compound with the formula Cr(OH)SO4. It is derived from the reaction between chromium(III) oxide (Cr2O3) or chromium(III) hydroxide (Cr(OH)3) and sulfuric acid (H2SO4).

Basic chromium sulfate is primarily used in the tanning industry as a tanning agent and a leather preservative. It plays a crucial role in the process of converting raw hides or skins into leather. The compound helps to cross-link collagen fibers, making the leather more stable, resistant to decomposition, and less susceptible to shrinkage. It also enhances the leather's ability to resist water and impart a soft texture.

In addition to its use in tanning, basic chromium sulfate is employed in other applications, including:

Dyestuff and Pigment Production: It serves as a mordant, a substance that enhances the affinity of dyes or pigments for textile fibers. It helps to fix dyes onto fabrics and improve colorfastness.

Wood Preservation: Basic chromium sulfate is used as a wood preservative to protect timber from decay, fungal growth, and insect attacks. It is applied by pressure treatment or dipping to extend the lifespan of wood used in outdoor applications.

Corrosion Inhibition: It is sometimes used as a corrosion inhibitor in cooling water systems, particularly in the automotive and aerospace industries. It helps to prevent the formation of rust and protect metal surfaces.

It's important to note that the use of basic chromium sulfate in certain applications, such as tanning, is subject to regulatory standards and guidelines to ensure proper handling, waste management, and environmental protection due to the potential toxicity of chromium compounds.

Basic Chromium Sulphate - Uses in Pottery

Basic chromium sulfate can also be used in making ceramics, green ink, and organic substances. It can also be used for dyeing and printing. It is also used in green paints, varnishes, inks, and ceramic glazes.

Formula: Cr4(SO4)5(OH)2

Molecular Weight: 343.208 g/mol
Form: Fine free flowing, Dark green color powder
CAS Number: 39380-78-4
Density: 1.7 g/cm³
Synonyms: Koreon, Chromitan B, Baychrom A, Baychrom F, Chromitan MS, Chromitan NA, Cromitan B, Sulfuric acid, chromium salt, Chronisulfat, Chronisulfat

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