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Description
TCI E0081 Ethylenediamine Monohydrate is the hydrated form of ethylenediamine, a simple aliphatic diamine paired with one molecule of water in its structure. This monohydrate form is supplied as a liquid and offers a practical middle ground in the laboratory: the chemical character of the diamine is fully preserved, while handling is noticeably easier than that of the strongly hygroscopic anhydrous form. Its two primary amine groups make the compound a useful starting material for building ligands, forming metal complexes, and preparing nitrogen-bearing intermediates across a wide range of synthetic research programmes.
The property that most often drives its selection is the ability to clamp onto metal ions through both nitrogen atoms, producing robust chelate complexes that hold together under working conditions. This is accompanied by strongly basic behaviour, which is valuable in reactions that require an alkaline environment to proceed. The accompanying water content, far from being a drawback, is an advantage in reactions run in aqueous media: the material is already fully dissolved and requires no additional adjustment before use. The monohydrate form also tends to be easier to pour and measure accurately at the ambient temperatures of a tropical laboratory.
In Indonesian laboratories the reagent fits naturally into coordination chemistry, synthesis, and chemical biology work, where it is placed under the Chemistry > Chemical Biology > Glycoscience category. The two available pack sizes give a genuine choice between occasional use for orientation trials and more sustained consumption in routine method work, so laboratories can match their purchase to how frequently the reagent actually turns over on the bench.
Laboratory Applications
Metal complex preparation — the two primary amine groups bind a single metal centre simultaneously, giving sturdy chelate complexes suitable for coordination chemistry studies and structural characterisation work.
Ligand construction — the diamine backbone serves as a reliable framework onto which larger multidentate ligands are assembled for research into metal binding and complex design.
Synthesis of nitrogen-bearing intermediates — both amine functions provide reactive handles for building intermediates that carry nitrogen into subsequent steps of a synthetic route.
Reactions requiring alkaline conditions — the strongly basic nature of the diamine establishes and maintains the alkaline environment that certain transformations demand without additional base.
Aqueous-phase reaction work — because the monohydrate arrives already fully dissolved in its water of hydration, it enters water-based reaction systems without further adjustment or dissolution steps.
Specifications
Brand: TCI
CAS number: 6780-13-8
Category: Chemistry > Chemical Biology > Glycoscience
Pack sizes: 25 mL and 500 mL
Physical form: liquid (monohydrate form)
Storage: keep tightly closed in its original container, following the storage guidance on the manufacturer's label
Handling and Storage
Store the material in its original tightly closed container, kept upright in a well-ventilated area away from heat and incompatible substances. Because the compound is strongly basic, work with it in a fume hood and wear gloves, safety glasses, and a laboratory coat to avoid contact with skin and eyes. Dispense using clean, dry glassware and reseal the container promptly after each withdrawal to limit exposure to air and moisture from the surrounding laboratory atmosphere. Always consult the manufacturer's safety data sheet before first use and follow the institutional waste-handling procedures in place at your facility.
