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Butane gas

Names Preferred IUPAC nameButaneSystematic IUPAC nameTetracarbane (never recommended)Other names Butyl hydrideQuartaneR600Identifiers CAS Number106-97-83D model (JSmol)Interactive imageBeilstein Reference969129 ChEBICHEBI:37808ChEMBLChEMBL134702ChemSpider7555ECHA InfoCard100.003.136EC Number203-448-7E numberE943a (glazing agents, ...)Gmelin Reference1148 KEGGD03186MeSHbutanePubChemCID7843RTECS numberEJ4200000UNII6LV4FOR43RUN number1011 CompTox Dashboard(EPA)DTXSID7024665InChIInChI=1S/C4H10/c1-3-4-2/h3-4H2,1-2H3Key: IJDNQMDRQITEOD-UHFFFAOYSA-NSMILESCCCCProperties Chemical formulaC4H10Molar mass58.124 g·mol Appearance Colorless gas OdorGasoline-like or natural gas-like Density2.48 kg/m (at 15 °C (59 °F)) Melting point−140 to −134 °C; −220 to −209 °F; 133 to 139 K Boiling point−1 to 1 °C; 30 to 34 °F; 272 to 274 K Solubility in water61 mg/L (at 20 °C (68 °F)) log P2.745 Vapor pressure~170 kPa at 283 K Henry's lawconstant (kH)11 nmol Pa kg Magnetic susceptibility (χ)−57.4·10 cm/mol Thermochemistry Heat capacity(C)98.49 J/(K·mol) Std enthalpy offormation(ΔfH298)−126.3–−124.9 kJ/mol Std enthalpy ofcombustion(ΔcH298)−2.8781–−2.8769 MJ/mol Hazards GHS labelling: PictogramsSignal wordDangerHazard statementsH220Precautionary statementsP203, P210, P222, P280, P377, P381, P403NFPA 704 (fire diamond) 140SAFlash point−60 °C (−76 °F; 213 K) Autoignitiontemperature405 °C (761 °F; 678 K) Explosive limits1.8–8.4% NIOSH (US health exposure limits): PEL (Permissible)none REL (Recommended)TWA 800 ppm (1900 mg/m) IDLH (Immediate danger)1600 ppm Related compounds Related alkanesPropaneIsobutanePentaneRelated compoundsPerfluorobutaneSupplementary data page Butane (data page)Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Yverify ( ?)

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