Description

Cupriethylenediamine is a coordination complex of copper and ethylenediamine, widely recognized for its role as a solvent for cellulose. This compound is valued for its strong alkaline properties and its ability to dissolve cellulose for viscosity measurements and other analytical procedures. It is a critical reagent for industries involved in pulp and paper analysis, textile manufacturing, and polymer research, where precise cellulose characterization is required.

Application

• Primary solvent for determining the viscosity and degree of polymerization of cellulose in pulp and paper analysis.
• Key reagent in the textile industry for processing and analyzing cellulose-based fibers like cotton and rayon.
• Used in polymer research for dissolving and studying cellulose derivatives and other biopolymers.
• Employed in quality control laboratories for standardizing cellulose material specifications.
• Applied in the development of cellulose-based films, membranes, and other advanced materials.
• Utilized in specific analytical chemistry methods requiring a strong, complexing alkaline medium.

Basic Information

Product Name	Cupriethylenediamine
CAS No.	14552-35-3
Molecular Formula	C4H12CuN4
Molecular Weight	179.71 g/mol
Synonyms	Cupriethylenediamine Hydroxide; CED; Copper-Ethylenediamine Complex; Cu(en)2(OH)2; Ethylenediamine Copper(II) Complex; Schweizer's Reagent; Cuprammonium (related solvent system); Bis(ethylenediamine)copper(II) hydroxide
EINECS	238-609-1

Quality Control

Our Cupriethylenediamine is produced and tested under strict quality management protocols to ensure batch-to-batch consistency and reliability for analytical applications. Each lot is analyzed to confirm identity, purity, and solution stability. A comprehensive Certificate of Analysis (COA) detailing assay, copper content, and other critical parameters is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. This product is easily oxidized and should be stored under an inert atmosphere such as nitrogen or argon. Store in a cool, dry, well-ventilated area away from incompatible materials. For long-term stability, maintain at a controlled room temperature (15-25°C).

Specification

Item	Specification
Appearance	Blue to deep blue solution
Identification (IR)	Conforms
Assay (as Cu)	≥ 0.95 M (Typical 1.00 M)
Copper Content	Contact for details
Ethylenediamine Content	Contact for details
pH	> 12 (Strongly alkaline)
Clarity of Solution	Clear

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