Synonyms: 1,4-Butylene glycol; Tetramethylene glycol Formula: HO(CH₂)₄OH Formula Weight: 90.12 CAS No.: 110-63-4 Purity: 99% Density: 1.017 g/mL at 25 °C(lit.) Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: …