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Description
TCI E0784 Ethyl 3-(Morpholino)propionate, CAS 20120-24-5, is an aliphatic ester carrying a morpholine ring — a six-membered heterocycle containing both a nitrogen and an oxygen atom. The structure brings together two reactive centres within a single molecule: an ethyl ester group available for further transformation, and a basic tertiary amine nitrogen. In the laboratory this compound is classified as a heterocyclic building block, that is, a molecular starting material that arrives with the morpholine ring already in place so that researchers do not have to install it through additional steps that consume time and materials.
The strength of this compound lies in its bifunctional structure. The ester group can be hydrolysed to the corresponding carboxylic acid, reduced to an alcohol, or converted into an amide by reaction with an amine, while the morpholine nitrogen contributes moderate basicity, improved solubility in aqueous media, and the ability to form salts with acids. The molecule is also the characteristic product of an aza-Michael addition between morpholine and an acrylate ester, and for this reason it is frequently used as a reference product in studies of nucleophilic addition to conjugated alkenes. The morpholine ring itself is a widely encountered structural motif.
In Indonesian laboratories, this type of building block is typically used in synthetic organic chemistry groups at universities and research institutes, and in laboratories developing new compounds where a morpholine-bearing intermediate is required. It is also useful in teaching and method-development settings, where the aza-Michael reaction that produces it serves as a well-defined model system. Purchasing the ready-made building block lets a group move directly to the step that matters for its work rather than preparing the fragment in-house.
Laboratory Applications
Heterocyclic building block in multistep synthesis — the morpholine ring is delivered already assembled, letting researchers skip the extra installation steps that would otherwise consume reaction time and starting material.
Ester-based derivatisation chemistry — the ethyl ester can be hydrolysed to a carboxylic acid, reduced to an alcohol, or converted to an amide, giving one starting material several downstream routes.
Amide bond formation with amines — reaction of the ester with a chosen amine yields morpholine-containing amides, a convenient route when the target structure requires that motif retained.
Reference product for aza-Michael addition studies — as the characteristic adduct of morpholine and an acrylate ester, it serves as an authentic standard when following or verifying such additions.
Model substrate for nucleophilic addition to conjugated alkenes — its well-defined origin makes it useful in method development and teaching work on addition chemistry across activated double bonds.
Specifications
Brand: TCI (Tokyo Chemical Industry)
CAS number: 20120-24-5
Chemical name: Ethyl 3-(Morpholino)propionate
Category: Chemistry > Building Blocks > Heterocyclic Building Blocks
Pack sizes: available in standard TCI research-scale packaging; please confirm the pack size options when ordering
Storage: keep the container tightly closed in a cool, dry, well-ventilated place; refer to the manufacturer's label and safety data sheet for the specific storage condition
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong acids and strong oxidising agents. Keep the material in its original manufacturer's container, or in a chemically compatible sealed glass bottle if transfer is necessary, and make sure the container remains clearly labelled. Handle the compound in a fume hood using standard laboratory personal protective equipment: safety glasses, chemically resistant gloves, and a laboratory coat. Avoid contact with skin and eyes and avoid breathing vapour. Because the ester group is susceptible to hydrolysis, limit unnecessary exposure to moisture and close the container promptly after use. Always consult the manufacturer's safety data sheet before handling, and dispose of residues and contaminated materials in accordance with applicable laboratory waste procedures.
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