• Diethyl trans-1,4-Cyclohexanedicarboxylate (CAS 19145-96-1) - TCI D3639 - AMI Scientific
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TCI

CAS 19145-96-1

Diethyl trans-1,4-Cyclohexanedicarboxylate TCI D3639

Diethyl trans-1,4-Cyclohexanedicarboxylate TCI D3639
Rp 3.424.050,00
Rp 3.424.050,00
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TCI D3639 Diethyl trans-1,4-Cyclohexanedicarboxylate is the diethyl diester of 1,4-cyclohexanedicarboxylic acid, with both substituent groups fixed in the trans configuration. The compound belongs to the class of non-heterocyclic building blocks, and its role in the laboratory is to supply a rigid, geometrically defined cyclic aliphatic linking unit. In the trans form, the cyclohexane ring places the two ester groups in diequatorial positions far apart from one another, so the molecule acts as a linear spacer for larger molecular designs and for polymer chains, standing in for an aromatic ring wherever rigidity is required without the presence of a conjugated system.

The properties that make this compound widely used are its clearly defined stereochemical purity and its molecular symmetry. The two ester groups are equivalent, so they can be reacted together efficiently: both may be hydrolysed to the diacid, transesterified, converted to amides, or reduced to the corresponding diol. The saturated cyclohexane framework offers better resistance to oxidation and photochemical degradation than its aromatic counterpart, and yields materials with good optical clarity. The trans configuration is what preserves the extended, well-defined geometry throughout each of these transformations.

In Indonesian laboratories, the material is typically used in synthetic organic chemistry and materials research groups that require a defined aliphatic spacer rather than an aromatic one. It suits university and institutional research settings preparing diacids, diols, diamides, polyesters and polyamides on a laboratory scale, as well as method development work where a symmetric difunctional starting material simplifies reaction planning. Its handling profile as a stable diester makes it practical for routine bench use under normal laboratory conditions.

  • Polyester and polyamide synthesis: the symmetric, equivalent ester groups allow controlled step-growth polymerisation, while the trans-cyclohexane ring contributes rigidity to the resulting chain without an aromatic segment.
  • Preparation of trans-1,4-cyclohexanedicarboxylic acid: both esters can be hydrolysed together in a single, efficient operation, giving the diacid with the original trans stereochemistry retained intact.
  • Reduction to the corresponding diol: the two equivalent esters can be reduced simultaneously to yield a rigid cyclic aliphatic diol useful as a defined difunctional monomer or intermediate.
  • Diamide and bis-amide construction: reaction of both ester groups with amines produces symmetric diamides in which the cyclohexane core acts as a fixed-length, non-conjugated linker.
  • Optically clear materials research: the saturated framework resists oxidation and photochemical degradation better than aromatic analogues, making it suitable for preparing materials where good optical clarity matters.

Brand TCI
CAS number 19145-96-1
Molecular formula —
Purity —
Category Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes available in standard laboratory research pack sizes; please confirm the currently offered packaging when ordering
Physical form —
Storage keep in a tightly closed original container in a cool, dry, well-ventilated place away from light and incompatible materials
  • Chemical class: diethyl diester of 1,4-cyclohexanedicarboxylic acid, trans configuration

Store the product in its original tightly closed container in a cool, dry, well-ventilated area, protected from direct sunlight and away from strong oxidising agents, strong acids and strong bases. Glass containers with chemically resistant closures are suitable for storage and for the preparation of aliquots. Handle in a fume hood or a well-ventilated workspace, and wear safety glasses, gloves and a laboratory coat as standard practice. Avoid contact with skin and eyes and avoid breathing vapour or mist. Keep the container closed when not in use to limit moisture uptake, since esters are susceptible to hydrolysis. Label all decanted portions clearly, clean spills promptly using inert absorbent material, and dispose of residues and contaminated materials as chemical waste in accordance with institutional procedures. Always consult the manufacturer's safety data sheet before first use.

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