TCI C0479 1,4-Cyclohexanedimethanol (CAS 105-08-8) is an alicyclic diol supplied as a mixture of cis and trans isomers, widely known as CHDM. Its two primary hydroxyl groups are readily accessible, making it a valued diol monomer for polyesters, polyurethanes, and coating resins. Incorporating the saturated cyclohexane unit typically improves rigidity, toughness, and resistance to light-induced yellowing, while the cis/trans ratio influences crystallisation and thermal behaviour. Available in 25 g and 500 g packs, it should be kept tightly closed in a cool, dry place and handled with clean, dry tools to avoid moisture pickup and cross-contamination.
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