Dihydroxy Trade name:popdh Chemical name:dihydroxy Molecular formula:c6h10o3 Cas:13580-38-6 Assay:50% Appearance:yellowish transparent liquid Related density@20c:1.06-1.11 Refractive index@20c:1.3900-1.4100 Ph value:1.0-2.0 Application:used with derivative of alkyne-alcohol, synergistic brightness to enhance leveling and filling up ability at low densities.