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Description
TCI C2234 trans-1,4-Cyclohexanedimethanol is a cyclic aliphatic diol classified among non-heterocyclic building blocks, carrying two primary hydroxyl groups attached at opposite positions of a cyclohexane ring. This specific trans arrangement gives the molecule a rigid framework that still retains a limited degree of flexibility, distinguishing it from ordinary straight-chain diols. In the laboratory, the compound serves as both a monomer and an intermediate that contributes two connection points at once, which is why it is widely used in the construction of polymer chains, the preparation of diesters, and the design of molecules that require a well-defined distance between functional groups.
The properties that make this material a preferred choice are its molecular symmetry and the fact that both hydroxyl groups are chemically equivalent, so reactions proceed more predictably than they do with asymmetric diols. A pure trans configuration yields derivative products with a higher degree of structural regularity, and this becomes especially important when researchers wish to control the thermal and mechanical behaviour of the resulting polymer. As a primary alcohol, its hydroxyl groups react with carboxylic acids, anhydrides, and isocyanates without demanding unusual conditions, which keeps synthetic routes straightforward and reproducible across repeated preparations.
In Indonesian laboratories, this building block is typically encountered in university research groups, polymer and materials science laboratories, and industrial R&D units working on coatings, resins, and specialty esters. It is normally handled at bench scale during method development and small-batch synthesis, where a defined and consistent starting material is essential for repeatable results. Researchers preparing publications or process trials rely on it as a reference-grade structural unit whose geometry can be assumed rather than re-verified for every experiment.
Laboratory Applications
- Polymer chain construction: the two equivalent primary hydroxyl groups act as reliable connection points, allowing controlled step-growth polymerisation with predictable incorporation into the growing backbone.
- Diester preparation: both hydroxyl groups react cleanly with carboxylic acids and anhydrides, producing symmetric diesters without the side-selectivity problems typical of asymmetric diol starting materials.
- Polyurethane and carbamate synthesis: as a primary alcohol it reacts readily with isocyanates under ordinary laboratory conditions, giving rigid cycloaliphatic segments within the resulting network.
- Spacer design in molecular architecture: the rigid trans-substituted cyclohexane ring fixes a well-defined distance between the two hydroxyl groups, useful when geometry must be controlled deliberately.
- Thermal and mechanical property studies: the pure trans configuration produces derivatives with higher structural regularity, letting researchers correlate monomer stereochemistry with the measured properties of materials.
Specifications
- Brand: TCI
- CAS Number: 3236-48-4
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Product Code: C2234
- Physical form: solid organic building block reagent
- Pack sizes: available in standard TCI laboratory pack sizes; please confirm the currently listed options when ordering
- Storage: keep in a tightly closed container in a cool, dry place
Handling and Storage
Store the container tightly closed in a cool, dry, well-ventilated area away from moisture, direct sunlight, and sources of ignition. Original manufacturer packaging or a clean, chemically compatible glass or HDPE container with a secure closure is suitable for storage and for any repackaging. Keep the material away from strong oxidising agents, acids, anhydrides, and isocyanates during storage, since these react with its hydroxyl groups. Handle in a fume hood or a well-ventilated laboratory area, wearing safety goggles, gloves, and a laboratory coat. Weigh and transfer the solid carefully to avoid generating dust, close the container immediately after use to limit moisture uptake, and consult the manufacturer's safety data sheet before first use.
