Pentane

• Catalog No.: Pentane
• CAS Number: 109-66-0
• M. F.: C5H12
• M. W.: 72.14878

SYNONYMS

• IUPAC name: pentane
• IUPAC Traditional name: pentane

DATABASE IDS

• CHEMBL: 16102
• Unique Ingredient Identifier: 4FEX897A91
• Chemspider ID: 7712
• Wikipedia Title: Pentane
• MeSH Name: pentane
• Gmelin ID: 1766
• PubChem CID: 8003
• DrugBank ID: DB03119
• CAS Number: 109-66-0
• CHEBI ID: 37830
• EC Number: 203-692-4
• Beilstein Number: 969132

PROPERTIES

• Absorption Wavelength: 200 nm
• pKa: ~45
• Apperance: Colourless liquid
• Auto Ignition Point: 260.0 °C
• pKb: ~59
• Boiling Point: 35.85 - 36.25°C (309 - 309.4 K)
• Std enthalpy of combustion: -3.5095–-3.5085 MJ mol^-1
• Std enthalpy of formation: -174.1–-172.9 kJ mol^-1
• Density: 0.626 g mL^-1
• Flash Point: -49.0 °C
• Heat Capacity: 167.19 J K^-1 mol^-1
• Henry Constant: 7.8 nmol Pa^-1 kg^-1
• Melting Point: -130.45 - -129.05°C (142.7 - 144.1 K)
• Std molar entropy: 263.47 J K^-1 mol^-1
• Odor: Odourless
• Partition Coefficient: 3.255
• Refractive Index: 1.358
• Solubility: 40 mg L^-1 (at 20 °C) in water
• Vapor Pressure: 57.90 kPa (at 20.0 °C)
• Viscosity: 240 μPa s (at 20 °C)
• EU Index: 601-006-00-1
• Explode Limits: 1.4–8.3%
• GHS Signal Word: DANGER
• European Hazard Symbols: Highly flammable (F+)
• European Hazard Symbols: Harmful (Xn)
• European Hazard Symbols: Nature polluting (N)
• LD50: 3 g kg^-1 (dermal, rabbit)
• LD50: 5 g kg^-1 (oral, mouse)
• NFPA704:
  

  4

  1

  0
• Risk Statements: R12, R51/53, R65, R66, R67
• RTECS: RZ9450000
• Safety Statements: S2, S16, S29, S33
• UN Number: 1265
• GHS Hazard statements: 225, 304, 336, 411
• GHS Precautionary statements: 210, 261, 273, 301+310, 331