Name:n-Butyl Bromide CAS NO:109-65-9 Molecular Formula:C4H9Br Molecular Weight:137.02 Appearance Colorless transparent liquid Assay í¦ 99.7% Moisture í_ 0.05% Color í_ 20APHA Non-volatile residue í_ 50ppm Free acid í_ 50ppm. Usage: Organic synthesis intermediate. 220L steel-lined drum, 250kg/drum.