... ,4-Dioxane [Commodity name]1,4-Dioxane[CAS No.] 123-91-1[Formula] C4H8O2 [Molecular weight] 88.106 [ ... very good reputation in the international market.[Acidity] ≤0.01%(as CH3COOH) [Density]1.030-1.035g/ml(20 ... ) [Freezing point] ≥11.0 [Residue on distillation] ≤0.01% [Aldehyde]Meet the test [Peroxide ]≤0.005% (as H2O2) ... by many companies about 1,4-dioxane (CAS:123-91-1) and get a good result!Welcome ...