N-propyl Vinyl Ether AppearaÃÃé»ù±ûÃà N-propyl Vinyl Ether Appearance Colorless and transparent liquid Molecular formula C5H10O Formula weight 86.13 Density 0.768 Assay 98%min Boiling point 65¡æ Flash point -22¡æ CAS No 764-47-6 nce Colorless and transparent liquid Molecular formula C5H10O Formula weight 86.13 Density 0.768 Assay 98%min Boiling point 65¡æ Flash point -22¡æ CAS No 764-47-6