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ChemSpider 2D Image | Ethylene | C2H4

Ethylene

  • Molecular FormulaC2H4
  • Average mass28.053 Da
  • Monoisotopic mass28.031300 Da
  • ChemSpider ID6085

More details:



Featured data source



Validated by Experts, Validated by Users, Non-Validated, Removed by Users

200-815-3 [EINECS]
74-85-1 [RN]
Athylen [German]
Bicarburretted hydrogen
dicarbene
Ethene [ACD/Index Name]
Ethylen [German] [ACD/IUPAC Name]
Ethylene [ACD/IUPAC Name]
Éthylène [French] [ACD/IUPAC Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Ethylene, refrigerated liquid (cryogenic liquid) [UN1038] [Flammable gas] [DBID]
UNII-91GW059KN7 [DBID]
03598_FLUKA [DBID]
181900_ALDRICH [DBID]
269352_ALDRICH [DBID]
295329_ALDRICH [DBID]
332119_ALDRICH [DBID]
427772_ALDRICH [DBID]
427780_ALDRICH [DBID]
427799_ALDRICH [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless gas OU Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable. Highly flammable - note wide explosion limits.Incompatible with strong oxidizing agents. Readily formsexplosive mixtures with air. OU Chemical Safety Data (No longer updated) More details
    • Safety:

      CAUTION: May be harmful if swallowed Alfa Aesar 41731, 42607, 43949, 43951
      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar A10239
      Safety glasses. Good ventilation; remove allsources of ignition, including sources ofstatic electricity. OU Chemical Safety Data (No longer updated) More details
  • Gas Chromatography
    • Retention Index (Kovats):

      192 (estimated with error: 39) NIST Spectra mainlib_18814, replib_18815
      178.1 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Description: 5C(10min)=>5C/min=>50C(48min)=>1.5C/min=>195C(91min); CAS no: 74851; Active phase: Petrocol DH-100; Carrier gas: He; Data type: Kovats RI; Authors: Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22.) NIST Spectra nist ri
      164 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min; CAS no: 74851; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Kovats RI; Authors: Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. Chromatogr., 639, 1993, 239-253.) NIST Spectra nist ri
      166 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.50 mm; Column length: 150 m; Column type: Capillary; Start T: 20 C; CAS no: 74851; Active phase: OV-1; Carrier gas: He; Data type: Kovats RI; Authors: Nijs, H.H.; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Sci., 19, 1981, 40-45.) NIST Spectra nist ri
      175 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 300 ft; Column type: Capillary; Start T: 40 C; CAS no: 74851; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Matukuma, A., Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data, Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 7, 1969, 55-75.) NIST Spectra nist ri
      177 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 27 C; CAS no: 74851; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 49 C; CAS no: 74851; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217.) NIST Spectra nist ri
      178 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 67 C; CAS no: 74851; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 86 C; CAS no: 74851; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      178 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 74851; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Chen, Y.; Feng, C., QSPR study on gas chromatography retention index of some organic pollutants, Comput. Appl. Chem. (China), 24(10), 2007, 1404-1408.) NIST Spectra nist ri
      166 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 250 C; CAS no: 74851; Active phase: OV-101; Carrier gas: N2/He; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Experimentally measured retention indices., 2005., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 74851; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Mutual Correlation between Gas Chromatographic Retention Indices of Unsaturated and Saturated Hydrocarbons found by Molecular Dynamics, Z. Anal. Chem., 55(10), 2000, 1091-1097, In original 1091-1097.) NIST Spectra nist ri
      165 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Description: 40C(6min)=>5C/min=>80C=>10C/min=>200C; CAS no: 74851; Active phase: SPB-1; Carrier gas: He; Phase thickness: 5 um; Data type: Normal alkane RI; Authors: Flanagan, R.J.; Streete, P.J.; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 52 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 220 C; CAS no: 74851; Active phase: OV-101; Carrier gas: N2; Data type: Normal alkane RI; Authors: Chupalov, A.A.; Zenkevich, I.G., Chromatographic Characterization of Structural Transformations of Organic Compounds in Diels-Alder Reaction. Aliphatic Dienes and Dienophyls, Zh. Org. Khim., 32(6), 1996, 675-684, In original 675-684., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 74851; Active phase: Polydimethyl siloxanes; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Influence of the Variations of Dynamics Molecular Parameterts on the Additivity of Chromatigraphic Retention Indices of Products of Organic Reactions Relative to Initial Reagents, Dokl. Akad. Nauk (Rus.), 353(5), 1997, 625-627, In original 625-627., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 74851; Active phase: Polydimethyl siloxanes; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Chupalov, A.A.; Herzschuh, R., Correlation of the Increments of Gas Chromatographic Retention Indices with the Differences of Innermolecular Energies of Reagents and Products of Chemical Reactions, Zh. Org. Khim. (Rus.), 32(11), 1996, 1685-1691, In original 1685-1691.) NIST Spectra nist ri
      188 (Program type: Complex; Column... (show more) class: Standard non-polar; Column length: 20 ft; Column type: Packed; Description: 50C910min)=>20C/min=>90(6min)=>10C/min=>150C(hold); CAS no: 74851; Active phase: SE-30; Carrier gas: N2; Substrate: Chromosorb W; Data type: Normal alkane RI; Authors: Robinson, P.G.; Odell, A.L., A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices, J. Chromatogr., 57, 1971, 1-10.) NIST Spectra nist ri
      180 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column length: 10 ft; Column type: Packed; Description: 25C(5min)=>2C/min=>35=>4C/min=>95C(hold); CAS no: 74851; Active phase: Squalane; Carrier gas: N2; Substrate: Embacel; Data type: Normal alkane RI; Authors: Robinson, P.G.; Odell, A.L., A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices, J. Chromatogr., 57, 1971, 1-10., Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 74851; Active phase: Porapack Q; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Rodin, A.A., Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices, J. Ecol. Chem. (Rus.), 13(1), 2004, 22-28.) NIST Spectra nist ri
      177 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 5 K/min; Start T: 50 C; End T: 220 C; End time: 0 min; Start time: 0 min; CAS no: 74851; Active phase: Porapack Q; Carrier gas: Nitrogen; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Konukhova, S.V., Gas Chromatographic Identification of Ecologically Safe Freones, Vestn. of St. Petersburg Univ. (Rus.), , 1992, 66-70, In original 66-70.) NIST Spectra nist ri
    • Retention Index (Linear):

      183 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; Heat rate: 10 K/min; Start T: 0 C; End T: 220 C; CAS no: 74851; Active phase: Chromosorb 101; Data type: Linear RI; Authors: Voorhees, K.J.; Hileman, F.D.; Einhorn, I.N., Generation of retention index standards by pyrolysis of hydrocarbons, Anal. Chem., 47(14), 1975, 2385-2389.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 0.5±0.1 g/cm3
Boiling Point: -103.7±7.0 °C at 760 mmHg
Vapour Pressure: 43302.6±0.1 mmHg at 25°C
Enthalpy of Vaporization: 15.7±0.8 kJ/mol
Flash Point: -125.1±13.0 °C
Index of Refraction: 1.295
Molar Refractivity: 10.7±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.32
ACD/LogD (pH 5.5): 1.35
ACD/BCF (pH 5.5): 6.22
ACD/KOC (pH 5.5): 128.73
ACD/LogD (pH 7.4): 1.35
ACD/BCF (pH 7.4): 6.22
ACD/KOC (pH 7.4): 128.73
Polar Surface Area: 0 Å2
Polarizability: 4.2±0.5 10-24cm3
Surface Tension: 9.7±3.0 dyne/cm
Molar Volume: 58.1±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.27
    Log Kow (Exper. database match) =  1.13
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  -49.21  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -150.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.14E+004  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -169 deg C
    BP  (exp database):  -103.7 deg C
    VP  (exp database):  5.21E+04 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3449
       log Kow used: 1.13 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  131 mg/L (25 deg C)
        Exper. Ref:  MCAULIFFE,C (1966)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  770.94 mg/L
    Wat Sol (Exper. database match) =  131.00
       Exper. Ref:  MCAULIFFE,C (1966)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.78E-002  atm-m3/mole
   Group Method:   1.62E-001  atm-m3/mole
   Exper Database: 2.28E-01  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.133E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.13  (exp database)
  Log Kaw used:  0.969  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  0.161
      Log Koa (experimental database):  0.280

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7342
   Biowin2 (Non-Linear Model)     :   0.9315
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1372  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8073  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6534
   Biowin6 (MITI Non-Linear Model):   0.8617
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5420
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4632
     BioHC Half-Life (days)     :   2.9054

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  6.95E+006 Pa (5.21E+004 mm Hg)
  Log Koa (Exp database): 0.280
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.32E-013 
       Octanol/air (Koa) model:  4.68E-013 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.56E-011 
       Mackay model           :  3.45E-011 
       Octanol/air (Koa) model:  3.74E-011 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.5200 E-12 cm3/molecule-sec
      Half-Life =     1.255 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    15.065 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 2.51E-011 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  14.3
      Log Koc:  1.155 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.170 (BCF = 1.479)
       log Kow used: 1.13 (expkow database)

 Volatilization from Water:
    Henry LC:  0.228 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:     0.5418  hours   (32.51 min)
    Half-Life from Model Lake :      50.32  hours   (2.097 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              98.88  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     0.30  percent
    Total to Air:               98.57  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       26              25.3         1000       
   Water     72.9            360          1000       
   Soil      0.976           720          1000       
   Sediment  0.15            3.24e+003    0          
     Persistence Time: 84.3 hr




                    

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