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Description
TCI D2075 1,11-Diaminoundecane is a long-chain aliphatic diamine carrying primary amine groups at both ends of an eleven-carbon chain. As a non-heterocyclic building block, this compound acts as a linker joining two reactive sites at once, which makes it highly sought after in laboratory work that requires the formation of molecular bridges of a defined length. Its role stands out in polymer synthesis, surface modification, the preparation of macrocyclic compounds, and the assembly of organic–inorganic hybrid materials, because the length of the methylene chain between the two amine groups can determine the geometry and mechanical properties of the final product.
The properties that lead researchers to select this compound are the combination of a flexible, hydrophobic hydrocarbon chain with two highly reactive and basic primary amine groups. The amine groups react readily with carboxylic acids and their derivatives to form amides, with aldehydes to form imines, and with epoxides to form crosslinked networks, and they can also coordinate to metal centres. The eleven-carbon chain length, being an odd number, gives a chain-packing pattern different from that of even-numbered homologues, which makes the compound interesting for comparative study.
In Indonesian laboratories, this building block is typically used in university and institutional research groups working on polymer chemistry, materials science, and organic synthesis, as well as in industrial R&D laboratories developing coatings, adhesives, and functionalised surfaces. It is normally ordered in research-scale quantities for method development, structure–property studies, and the preparation of intermediates rather than for routine analysis, and it is handled within a standard synthetic organic chemistry workflow using a fume hood and conventional glassware.
Laboratory Applications
- Polymer synthesis — the two terminal primary amine groups allow the molecule to be incorporated as a difunctional monomer or chain extender, with the eleven-methylene spacer setting the flexibility of the resulting polymer backbone.
- Polyamide and amide-bond chemistry — both amine ends react readily with carboxylic acids and their derivatives, making this diamine a direct route to amide linkages and amide-based repeating units.
- Epoxy crosslinking and network formation — the reactive primary amines open epoxide rings to build crosslinked networks, while the long hydrophobic chain contributes flexibility to the cured material.
- Surface modification and functionalisation — one amine can be anchored to a substrate while the other remains free, presenting a reactive amine terminus at a controlled distance from the surface.
- Macrocycle and hybrid material preparation — the defined chain length provides a molecular bridge of fixed span for macrocyclisation, metal coordination, and organic–inorganic hybrid material assembly.
Specifications
- Brand: TCI (Tokyo Chemical Industry)
- CAS number: 822-08-2
- Catalogue number: D2075
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Pack sizes: available in standard TCI research-scale packaging; please confirm the current pack options when ordering
- Storage: keep in a cool, dry, well-ventilated place in a tightly closed container
Handling and Storage
Store the container tightly closed in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources, and separated from acids and oxidising agents. Because primary amines are basic and can absorb carbon dioxide and moisture from the air, keep the original container sealed and consider inert-gas blanketing for frequently opened stock. Use the manufacturer's original glass or chemically compatible closed container for storage, and avoid transferring to unlabelled vessels. Handle the material inside a fume hood, wearing nitrile gloves, safety goggles, and a laboratory coat, since amines can irritate the skin, eyes, and respiratory tract. Consult the supplier's safety data sheet before use and dispose of residues and contaminated materials through the laboratory's chemical waste route.
