Description

Copper(II) Oxalate Hemihydrate is a specialized inorganic salt with the chemical formula CuC₂O₄·0.5H₂O. This compound is valued for its role as a precursor in the synthesis of high-purity copper and copper oxide nanomaterials, where precise stoichiometry and purity are critical. It serves key industrial and research functions in catalysis, battery materials, and as a reagent in organic synthesis for global manufacturers and R&D laboratories.

Application

• Precursor for Nanomaterials: Used in the synthesis of copper nanoparticles and copper oxide (CuO, Cu₂O) nanostructures for electronic and catalytic applications.
• Catalyst & Catalyst Support: Acts as a catalyst or catalyst precursor in various organic transformation reactions and oxidation processes.
• Battery Material Research: Investigated as an active material or precursor for next-generation lithium-ion and other energy storage systems.
• Pyrotechnics & Specialty Chemicals: Employed in the formulation of specialty pyrotechnic compositions to produce specific flame colors.
• Laboratory Reagent: Serves as a standard or starting material in analytical chemistry and synthetic organic research.
• Pigment & Dye Intermediate: Used in the production of certain copper-based pigments and dyes.

Basic Information

Product Name	Copper(II) Oxalate Hemihydrate
CAS No.	76494-22-9
Molecular Formula	CuC₂O₄·0.5H₂O
Molecular Weight	160.57 g/mol (anhydrous basis)
Synonyms	Cupric Oxalate Hemihydrate; Copper Oxalate Hydrate; Oxalic Acid, Copper Salt, Hemihydrate; Copper(2+) Oxalate Hemihydrate; CuC₂O₄·½H₂O; Copper Oxalate (1:1) Hemihydrate
EINECS	Contact for details

Quality Control

Our Copper(II) Oxalate Hemihydrate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency and meets high-purity standards suitable for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept in a dry environment to prevent caking or degradation.

Specification

Item	Specification
Appearance	Light blue to bluish-green powder
Identification (IR)	Conforms to standard
Assay (Cu basis)	≥ 98.0 %
Loss on Drying	≤ 5.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.02 %
Iron (Fe)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 0.002 %

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