Cobalt Sulfate Heptahydrate, Cobalt Sulfate. Cobalt Vitriol, 10026-24-1

Cobalt Sulfate Heptahydrate, Cobalt Sulfate. Cobalt Vitriol, 10026-24-1

Cobalt(II) sulfate heptahydrate has the CAS number 10026-24-1. It is a rose-pink crystalline compound that is highly soluble in water and commonly used in electroplating, pigments, ceramics, and battery production.

Other Names

• Cobalt sulfate heptahydrate

• Cobalt(II) sulfate 7-hydrate

• Cobaltous sulfate

• Cobalt vitriol

• Bieberite (Natural mineral form)

• Sulfuric acid cobalt(2+) salt (1:1)

The CAS number 10026-24-1 corresponds to Cobalt(II) sulfate heptahydrate (CoSO₄·7H₂O). This compound appears as an odorless, rose-pink solid and is soluble in water, slightly soluble in ethanol, and particularly soluble in methanol.

Properties

• Molecular Weight: 281.10 g/mol

• Density: 1.95 g/cm³ (at 20°C)

• Melting Point: 98°C

• Solubility: 362 g/L in water

• Paramagnetic: Cobalt(II) salts exhibit paramagnetic properties

Uses

• Pigment Preparation: Used in the production of cobalt-based pigments.

• Electroplating Baths: Applied in electroplating processes.

• Porcelain and Glass: Utilized as a cobalt pigment in ceramics and glass.

• Accumulators: Used in battery production.

• Soil and Animal Feeds: Added as an additive in soil and animal nutrition

Physical and Chemical Properties

• Appearance: Odorless, rose-pink solid.

• Chemical Formula: CoSO₄.

• Molar Mass: 154.996 g/mol.

• Density: 3.71 g/cm³.

• Melting Point: 735 °C.

• Solubility: Soluble in water, slightly soluble in ethanol, and particularly soluble in methanol.

• Paramagnetic: Cobalt(II) salts are paramagnetic.

• Cas Nr : 10026-24-1

Other Names and Common Terms

• Chemical Name: Cobalt (2+) Sulfate.

• Common Term: Often referred to as "Cobalt Sulfate."

Uses

• Pigment Preparation: Used in the preparation of pigments.

• Manufacturing Other Cobalt Salts: Utilized in the production of other cobalt salts.

• Porcelain and Glass: Cobalt pigment is used in porcelain and glass.

• Accumulators: Used in accumulators.

• Electroplating Baths: Employed in electroplating baths.

• Sympathetic Inks: Used in sympathetic inks.

• Soil and Animal Feeds: Added as an additive in soils and animal feeds.