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Chemical Properties

CAS Registry Number: 124-18-5

Selected information from two of the National Library of Medicine's databases: ChemIDPlus2 and HSDB3.

Names 1

  • Decyl Hydride

Structure

Chemical Structure for Chemical Abstracts Service Registry Number 124-18-5 from NLM

Synonyms (Sources: NTP,HSDB,RTECS,MESH)2

  • 4-01-00-00464 (Beilstein Handbook Reference)
  • BRN 1696981
  • Decyl hydride
  • HSDB 63
  • n-Decane

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Other Registry Numbers2

  • None Found

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Chemical Properties3

Property Description
Boiling Point
  • 174.1 deg C
Color/Form
  • Colorless liquid
Corrosivity
  • None Found
Critical Temperature & Pressure
  • Critical temperature = 617.7 K; critical pressure = 2.11 MPa
Density/Specific Gravity
  • 0.7300 g/cu cm @ 20 deg C
Dissociation Constants
  • None Found
Heat Of Combustion
  • -6778.29 kJ/mol @ 25 deg C
Heat Of Vaporization
  • 39.58 kJ/mol @ 174.15 deg C; 51.42 kJ/mol @ 25 deg C
Melting Point
  • -29.7 deg C
Molecular Weight
  • 142.28
Odor
  • None Found
Other Chemical/Physical Properties
  • Color, Saybolt: +30
  • Conversion factor: 1 ppm= 5.81 mg/cu m= 0.00581 mg/l; 1 mg/cu m= 0.172 ppm
  • Critical temperature: 617.60 K; Critical pressure: 2104 kPa; Specific gravity, liquid, at 288.72 K: 0.7342; Gross heating value at 288.72 K, 101.325 kPa (1 atm): 288.05 MJ/cu m. /from table/
  • Enthalpy of fusion: 28.72 kJ/mol @ -29.6 deg C
  • Equilibrium mol fraction in air @ 25 deg C: 0.002
  • Hydroxyl radical reaction rate constant: 1.16X10-11 cu cm/molecule sec @ 25 deg C
  • Molar heat capacity at constant pressure: (liquid) 314.4 J/mol K @ 298.15 K
  • Static relative permittivity = 1.9853 @ 293.2 K
Relative Evaporation Rate
  • First-order evaporation constants of n-decane in 3-mm layer No 2 fuel oil, darkened room, wind speed: 21 km/hr: @ 5 deg C, 1.19X10-3/min; @ 10 deg C, 1.87X10-3/min; @ 20 deg C, 3.44X10-3/min; @ 30 deg C, 6.98X10-3/min
Solubilities
  • 0.009 mg/l at 20 deg C in distilled water, 0.087 mg/l at 20 deg C in salt water
  • In water, 5.20X10-2 mg/l @ 25 deg C
  • Miscible with ethanol; soluble in ether; slightly soluble in carbon tetrachloride
Spectral Properties
  • C-13 NMR: 56 (Stothers, Carbon=13 NMR Spectroscopy, Academic Press, New York)
  • H-1 NMR: 201 (Sadtler Research Laboratories spectral collection)
  • IR: 8332 (Sadtler Research Laboratories IR grating collection)
  • Index of refraction: 1.4102 @ 20 deg C
  • MASS: 61533 (NIST/EPA/MSDC Mass Spectral Database, 1990 Version)
  • Raman: 363 (Sadtler Research Laboratories spectral collection)
  • SADTLER REFERENCE NUMBER: 4527 (IR, PRISM); 149 (NMR)
  • UV: 2-509 (Philip et al., Organic Electronic Spectral Data, John Wiley & Sons, New York)
Surface Tension
  • 24.75 mN/m @ 10 deg C; 23.37 mN/m @ 25 deg C; 21.07 mN/m @ 50 deg C; 18.77 mN/m @ 75 deg C; 16.47 mN/m @ 100 deg C
Taste
  • None Found
Vapor Density
  • 4.90 (Air= 1)
Vapor Pressure
  • 1.43 mm Hg @ 25 deg C
Viscosity
  • 2.188 mPa s @ -25 deg C; 1.277 mPa s @ 0 deg C; 0.838 mPa s @ 25 deg C; 0.598 mPa s @ 50 deg C; 0.453 mPa s @ 75 deg C; 0.359 mPa s @ 100 deg C
log P (octanol-water)
  • log Kow = 5.01
pH
  • None Found

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Uses3

  • Component of engine fuel **PEER REVIEWED**
  • ORGANIC SYNTHESIS; SOLVENT; STANDARDIZED HYDROCARBON; JET-FUEL RESEARCH **PEER REVIEWED**
  • STANDARDIZATION OF AIRCRAFT ENGINE CARBURETORS; CALIBRATION OF JET ENGINE NOZZLES **PEER REVIEWED**

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Notes (Sources: NTP,HSDB,RTECS,MESH)2

  • None Found.

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Superlist Classes2

  • None Found

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Links to Additional Information2

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Footnotes

1 Source: the NTP's CEBS database.

2 Source: the National Library of Medicine's ChemIDPlus, 02/28/2017.

3 Source: the National Library of Medicine's Hazardous Substance Database, 02/28/2017.

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