UN1075 PETROLEUM GASES,LIQUEFIED (N-BUTANE, ISOBUTANE) 2.1 0.100% METHANE, 0.050% CARBON DIOXIDE, 0.100% ETHANE, 0.200% PROPANE, 0.900% ISO-BUTANE, 0.600% ISO-PENTANE, 0.100% N-PENTANE, 0.050% HEXANES+, 0.050% NEOPENTANE 97.850% N-BUTANE, CERTIFEID, 1000CC PISTON CYL, CUSTOMER OWNED, LIQUID PHASE