Description

Cobalt-Tetrammine Cation is a coordination complex featuring a central cobalt ion bound to four ammonia ligands, resulting in a stable cationic species. This compound is valued for its role as a versatile precursor and catalyst in advanced inorganic synthesis and materials science. It is essential for researchers and manufacturers in the fields of heterogeneous catalysis, electroplating, and the development of novel coordination polymers and metal-organic frameworks (MOFs).

Application

• Catalyst Precursor: Serves as a key starting material for synthesizing cobalt-based catalysts used in hydrogenation, oxidation, and Fischer-Tropsch processes.
• Electroplating & Surface Treatment: Used in specialized electroplating baths to deposit cobalt and cobalt-alloy coatings with enhanced adhesion and corrosion resistance.
• Coordination Chemistry Research: A fundamental building block in academic and industrial research for studying ligand exchange kinetics and developing new coordination complexes.
• Material Science: Employed in the synthesis of advanced materials, including magnetic nanoparticles, pigments, and conductive polymers.
• Analytical Reagent: Acts as a standard or reagent in analytical chemistry for the determination and separation of specific anions via ion-exchange or precipitation.
• Wastewater Treatment: Investigated for use in selective ion-exchange processes to remove specific contaminants from industrial effluents.

Basic Information

Product Name	Cobalt-Tetrammine Cation
CAS No.	86688-59-7
Molecular Formula	[Co(NH₃)₄]²⁺ (commonly associated with counter anions like Cl⁻, NO₃⁻, SO₄²⁻)
Molecular Weight	Varies by salt form (e.g., [Co(NH₃)₄]Cl₂: ~ 233.95 g/mol)
Synonyms	Tetraamminecobalt(II) cation; Cobalt tetraammine; Tetraamminecobalt ion; [Co(NH3)4]2+; Cobaltous tetraammine cation; Ammoniacal cobalt complex; Hexaamminecobalt(III) chloride precursor (related); Cobalt-ammonia complex
EINECS	Contact for details

Quality Control

Our Cobalt-Tetrammine Cation 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, spectrophotometry, and ion chromatography. A comprehensive Certificate of Analysis (COA) detailing assay, identity, 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 at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can compromise product integrity.

Specification

Item	Specification
Appearance	Solid (color varies by salt form, typically pink to violet)
Identification (IR/Spectrophotometry)	Conforms
Assay (Cobalt Content)	≥ 98.0%
Anion Content (e.g., Cl⁻, NO₃⁻)	Balance to 100%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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