It is colorless transparent gas under normal temperature and turns into transparent liquid under pressure. Relative S.G.:0.5879(25),BP-6.9,FP-77.Insoluble in water;soluble in organic solvents.Inflammable and explosive. Technical index ItemIndexAnalysisResultsTestingMethodAppearanceColorless and transparent, no mechanical impurities QualifiedVisualPurity:%(V/V) ≥ 98.599.99GCMethanol and impurities:%(m/m)<1.5---GCMoisture,10-6,(m/m)---100GCApplication It is the monomer of polyisobutylene, BR and isoprene, or used as composing valuable lubricant,gasoline additive,catalyst for CPBR polymerization ,inhibitor and pesticide etc. Packing and Storage Stoted in pressurized gas cylinder(0.98MPa in 40 ) in cool and iairness place. Faraway from fire and heat, avoid direct sunlight,Reserved separately from oxidizers and oxygen.