cyclohexanedimethanol
Sign in to saveAlso known as cyclohexane-1,4-dimethanol, (cyclohexane-1,4-diyl)dimethanol, bis(hydroxymethyl)cyclohexane, 1,4-bis(hydroxymethyl)cyclohexane
Cyclohexanedimethanol (CHDM) is a mixture of isomeric organic compounds with formula C6H10(CH2OH)2. It is a colorless low-melting solid used in the production of polyester resins. Commercial samples consist of a mixture of cis and trans isomers. It is a di-substituted derivative of cyclohexane and is classified as a diol, meaning that it has two OH functional groups. Commercial CHDM typically has a cis/trans ratio of 30:70.
Wikidata facts
- Mass
- 144.11503
Show 3 more facts
- canonical SMILES
- C1CC(CCC1CO)CO
- chemical formula
- C₈H₁₆O₂
- Commons category
- Cyclohexanedimethanol
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Article
4 sectionsContents
- Production
- Applications
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Cyclohexanedimethanol (CHDM) is a mixture of isomeric organic compounds with formula C6H10(CH2OH)2. It is a colorless low-melting solid used in the production of polyester resins. Commercial samples consist of a mixture of cis and trans isomers. It is a di-substituted derivative of cyclohexane and is classified as a diol, meaning that it has two OH functional groups. Commercial CHDM typically has a cis/trans ratio of 30:70.
==Production== CHDM is produced by catalytic hydrogenation of dimethyl terephthalate (DMT). The reaction conducted in two steps beginning with the conversion of DMT to the diester dimethyl 1,4-cyclohexanedicarboxylate (DMCD): C6H4(CO2CH3)2 + 3 H2 → C6H10(CO2CH3)2
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