Description

Cobalt(III) Hydroxide is an inorganic compound with the CAS registry number 21041-93-0, recognized for its role as a precursor to various cobalt-based materials. This compound is valued in industrial chemistry for its utility in synthesizing catalysts, pigments, and advanced battery materials. It is primarily sought by manufacturers and R&D facilities in the chemical, energy storage, and specialty ceramics sectors.

Application

• Catalyst Precursor: A key starting material for the synthesis of cobalt oxide catalysts used in oxidation reactions and environmental remediation processes.
• Battery Material Synthesis: Employed in the production of lithium cobalt oxide (LiCoO₂) and other cathode materials for lithium-ion batteries.
• Pigment and Ceramic Industry: Used to impart stable blue and green colors in glasses, ceramics, and specialty pigments.
• Electroplating and Surface Treatment: Serves as a source of cobalt for electroplating baths to provide corrosion-resistant and decorative coatings.
• Chemical Research & Development: Utilized as a reagent in laboratories for developing new cobalt complexes and studying oxidation chemistry.
• Water Treatment: Investigated for use in advanced oxidation processes to degrade organic pollutants in wastewater.

Basic Information

Product Name	Cobalt(III) Hydroxide
CAS No.	21041-93-0
Molecular Formula	Co(OH)₃
Molecular Weight	109.96 g/mol
Synonyms	Cobaltic Hydroxide; Cobalt Trihydroxide; Cobalt(3+) Hydroxide; Cobalt Hydroxide (Co(OH)₃); Cobalt(III) Hydroxide, Technical Grade; Cobalt Black (precursor); Cobaltous Acid (obsolete)
EINECS	244-166-8

Quality Control

Our Cobalt(III) Hydroxide is produced under controlled conditions to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a suite of analytical techniques including titration, X-ray diffraction (XRD), and atomic absorption spectroscopy (AAS). A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids. The product is hygroscopic (moisture-sensitive) and should be kept under conditions that minimize exposure to atmospheric humidity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms
Assay (as Co)	≥ 52.0 %
Purity (Co(OH)₃)	≥ 95.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.5 %
Iron (Fe)	≤ 0.05 %
Nickel (Ni)	≤ 0.5 %
Loss on Drying	≤ 2.0 %
Particle Size (D50)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.