Product Name: 1,2-Pentanediol INCI Name: PENTYLENE GLYCOL Molecular Formula: C5H12O2 Molecular Weight: 104.15 Appearance: Clear colorless to light yellow liquid Purity: 99% CAS NO.: 5343-92-0 EINECS No.: 226-285-3 1,2-Pentanediol is used in synthesizing quinoxalines from biomass-derived glycols. Also used in the synthesis of propiconazole (P770100) a fungicide as well as other antifungals.