can't read?
1,6-Hexanediol (HOCH2(CH2)4CH2OH) is a colorless crystalline solid that melts at 42 °C and boils at 250 °C.It is soluble in water and is hygroscopic.
H 1372 (OTTO) 1,6-Hexanediol, 99% Cas 629-11-8 - 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.