1,6-hexanediol 1,6-hexanediol 1,6-hexanediol is an organic compound with the formula (ch2ch2ch2oh)2. it is a colorless water-soluble solid. 1,6-hexanediol names preferred iupac name hexane-1,6-diol other names hexamethylene glycol; 1,6-dihydroxyhexane; 1,6-hexylene glycol; hexamethylenediol; hdo identifiers cas number 629-11-8 y 3d model (jsmol) interactive image chebi chebi:43078 y chembl chembl458616 y chemspider 13839416 y drugbank db02210 y echa infocard 100.010.068 ec number 211-074-0 pubchem cid 12374 rtecs number mo2100000 unii zia319275i y comptox dashboard (epa) dtxsid1027265 inchi inchi=1s/c6h14o2/c7-5-3-1-2-4-6-8/h7-8h,1-6h2 ykey: xxmiopmdwaufgu-uhfffaoysa-n y smiles occcccco properties chemical formula c6h14o2 molar mass 118.176 g·mol−1 density 0.967 melting point 42 °c (108 °f; 315 k) boiling point 250 °c (482 °f; 523 k) solubility in water 500g/l solubility soluble in ethanol and acetone, slightly soluble in diethyl ether, insoluble in benzene. hazards flash point 102 °c (216 °f; 375 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references production 1,6-hexanediol is prepared by the hydrogenation of adipic acid or its esters. laboratory preparation could be achieved by reduction of adipates with lithium aluminium hydride, although this method is impractical on a commercial scale. properties as 1,6-hexanediol contains the hydroxyl group, it undergoes the typical chemical reactions of alcohols such as dehydration, substitution, esterification. dehydration of 1,6-hexanediol gives oxepane, 2-methyltetrahydropyran and 2-ethyltetrahydrofuran. corresponding thiophene and pyrrolidone can be made by reacting 1,6-hexanediol with hydrogen sulfide and ammonia respectively. uses 1,6-hexanediol is widely used for industrial polyester and polyurethane production.. 1,6-hexanediol can improve the hardness and flexibility of polyesters as it contains a fairly long hydrocarbon chain. in polyurethanes, it is used as a chain extender, and the resulting modified polyurethane has high resistance to hydrolysis as well as mechanical strength, but with a low glass transition temperature. it is also an intermediate to acrylics as a crosslinking agent, e.g. hexanediol diacrylate. unsaturated polyester resins have also been made from 1,6-hexanediol, along with styrene, maleic anhydride and fumaric acid. safety 1,6-hexanediol has low toxicity and low flammability, and is generally considered as safe. it is not irritating to skin, but may irritate the respiratory tract or mucous membranes. dust or vapor of the compound can irritate or damage the eyes.