CAS Number: 102-40-9
Empirical Formula: C10H14O2
HER (hydroxyethyl resorcinal) is an aromatic diol chain extender of polyurethane pre-polymers. HER exhibits good compatibility with MDI and MDI prepolymers and is used in cast polyurethane and TPU applications. HER exhibits the characteristic of super-cooling and is less prone to solidification or precipitation vs HQEE (hydroquinone-bis-hydroxyethyl ether).
HER is a di-functional, aromatic diol with the chemical structure shown below: