Isobutane

• Catalog No.: Isobutane
• CAS Number: 75-28-5
• M. F.: C4H10
• M. W.: 58.1222

SYNONYMS

• IUPAC name: 2-methylpropane
• IUPAC Traditional name: isobutane

DATABASE IDS

• KEGG ID: D04623
• Gmelin ID: 1301
• CHEBI ID: 30363
• CAS Number: 75-28-5
• Chemspider ID: 6120
• Beilstein Number: 1730720
• EC Number: 200-857-2
• Wikipedia Title: Isobutane
• Unique Ingredient Identifier: BXR49TP611
• PubChem CID: 6360

PROPERTIES

• Apperance: Colorless gas
• Auto Ignition Point: 460 °C
• Boiling Point: -13.15 - -9.14999999999998°C (260 - 264 K)
• Std enthalpy of combustion: -2.86959–-2.86841 MJ mol^-1
• Std enthalpy of formation: -134.8–-133.6 kJ mol^-1
• Density: 2.51 mg mL^-1 (at 15 °C, 100 kPa)
• Flash Point: -83 °C
• Heat Capacity: 96.65 J K^-1 mol^-1
• Henry Constant: 8.6 nmol Pa^-1 kg^-1
• Melting Point: -233.15 - -33.15°C (40 - 240 K)
• Odor: Odorless
• Vapor Pressure: 204.8 kPa (at 21 °C)
• EU Index: 601-004-00-0
• Explode Limits: 1.4–8.3%
• GHS Signal Word: DANGER
• European Hazard Symbols: Highly flammable (F+)
• NFPA704:
  

  4

  1

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• Risk Statements: R12
• RTECS: TZ4300000
• Safety Statements: S2, S16
• UN Number: 1969
• GHS Hazard statements: 220
• GHS Precautionary statements: 210