ChemSpider 2D Image | Cyclooctatetraene | C8H8

Cyclooctatetraene

  • Molecular FormulaC8H8
  • Average mass104.149 Da
  • Monoisotopic mass104.062599 Da
  • ChemSpider ID553448

  • Double-bond stereo - Double-bond stereo

More details:

Featured data source
The Merck Index Online

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

Cyclooctatetraene [Wiki]
(1Z,2Z,4Z,6Z)-Cyclooctatetraene
(5Z,7Z)-cycloocta-1,3,5,7-tetraene
(8)Annulene
[8]Annulene
1,3,5,7-Cyclooctatetraen [German] [ACD/IUPAC Name]
1,3,5,7-Cyclooctatetraene [ACD/Index Name] [ACD/IUPAC Name]
1,3,5,7-Cyclooctatétraène [French] [ACD/IUPAC Name]
211-080-3 [EINECS]
629-20-9 [RN]
More...

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

MFCD00004161 [DBID]
138924_ALDRICH [DBID]
29640_FLUKA [DBID]
C-9270 [DBID]
GY 0175600 [DBID]
NSC 5093 [DBID]
NSC5093 [DBID]
TL8004319 [DBID]
UN2358 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous

    • Appearance:

      colourless to light yellow liquid OU Chemical Safety Data (No longer updated) More details

    • Stability:

      Unstable - commercial product may be stabilized by the addition of a small amount ofhydroquinone. May form explosive peroxides in storage. Do not distill to small volume. Readily forms explosive mixtu res with air. Flammable. Incompatible with air, strong oxidizing agents. OU Chemical Safety Data (No longer updated) More details

    • Safety:

      10-36/37/38-62 Alfa Aesar B22636
      10-36/37/38-65 Alfa Aesar B22636
      16-26-37-62 Alfa Aesar B22636
      3 Alfa Aesar B22636
      9-16-23-26-33-36/37-60-62 Alfa Aesar B22636
      Danger Alfa Aesar B22636
      DANGER: FLAMMABLE, irritates skin, eyes, lungs Alfa Aesar B22636
      H225-H304-H315-H319-H335 Alfa Aesar B22636
      P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar B22636
      Safety glasses, adequate ventilation. If using a previously-openedbottle test for peroxides prior to use. If white crystals are apparent aroundthe neck of a bottle, do not open since peroxides may dec omposeexplosively as a result of the friction of turning the bottle cap. OU Chemical Safety Data (No longer updated) More details

    • Chemical Class:

      An antiaromatic annulene that is cyclooctane having four double bonds at positions 1, 3, 5 and 7. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:47034, CHEBI:47034
  • Gas Chromatography

    • Retention Index (Kovats):

      888 (estimated with error: 39) NIST Spectra mainlib_1259, replib_113230, replib_154586, replib_61548
      850 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Capillary; Start T: 70 C; CAS no: 629209; Active phase: Squalane; Data type: Kovats RI; Authors: Schomburg, G., Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesattigte cyclische Kohlenwasserstoffe, J. Chromatogr., 23, 1966, 18-41.) NIST Spectra nist ri

    • Retention Index (Lee):

      136.7 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 280 C; End time: 30 min; CAS no: 629209; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.33 um; Data type: Lee RI; Authors: Wang, S.-F.; Liu, B.-Z.; Sun, K.-J.; Su, Q.-D., Gas chromatographic-mass spectrometric determination of polycyclic aromatic hydrocarbons formed during the pyrolysis of phenylalanine, J. Chromatogr. A, 1025, 2004, 255-261.) NIST Spectra nist ri

    • Retention Index (Normal Alkane):

      889 (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: 629209; 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
      850 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 629209; Active phase: Squalane; Data type: Normal alkane RI; Authors: Chen, H.-F., Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression, Anal. Chim. Acta, 609, 2008, 24-36.) NIST Spectra nist ri
      894 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 50 C; End T: 200 C; End time: 2 min; Start time: 3 min; CAS no: 629209; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Wang, H.-Y.; Guo-Y. -L., Rapid analysis of the volatile compounds in the rhizomes of Rhodiola sachalinensis and Rhodiola sacra by static headspace-gas chromatography-tandem mass spectrometry, Anal. Letters, 37(10), 2004, 2151-2161.) NIST Spectra nist ri
      883.4 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 280 C; End time: 30 min; CAS no: 629209; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Wang, S.-F.; Liu, B.-Z.; Sun, K.-J.; Su, Q.-D., Gas chromatographic-mass spectrometric determination of polycyclic aromatic hydrocarbons formed during the pyrolysis of phenylalanine, J. Chromatogr. A, 1025, 2004, 255-261.) NIST Spectra nist ri
      846 (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: 629209; 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.) NIST Spectra nist ri
      1244 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 629209; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Editorial paper, Solid Phase Microextraction (SPME) Application Guide, The Reporter Europe (Supelco), 16(5), 2005, 12-12.) NIST Spectra nist ri
      1248.7 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Riganakos, K.A.; Koller, W.D.; Ehlermann, D.A.E.; Bauer, B.; Kontominas, M.G., Effects of ionizing radiation on properties of monolayer and multilayer flexible food packaging materials, Radiat. Phys. Chem., 54, 1999, 527-540.) NIST Spectra nist ri
      1258.8 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Riganakos, K.A.; Koller, W.D.; Ehlermann, D.A.E.; Bauer, B.; Kontominas, M.G., Effects of ionizing radiation on properties of monolayer and multilayer flexible food packaging materials, Radiat. Phys. Chem., 54, 1999, 527-540.) NIST Spectra nist ri
      1261.2 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Riganakos, K.A.; Koller, W.D.; Ehlermann, D.A.E.; Bauer, B.; Kontominas, M.G., Effects of ionizing radiation on properties of monolayer and multilayer flexible food packaging materials, Radiat. Phys. Chem., 54, 1999, 527-540.) NIST Spectra nist ri
      1261.4 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Riganakos, K.A.; Koller, W.D.; Ehlermann, D.A.E.; Bauer, B.; Kontominas, M.G., Effects of ionizing radiation on properties of monolayer and multilayer flexible food packaging materials, Radiat. Phys. Chem., 54, 1999, 527-540.) NIST Spectra nist ri

    • Retention Index (Linear):

      880 (Program type: Complex; Column... (show more) class: Standard non-polar; Column length: 3.05 m; Column type: Packed; Description: 40C(5min)=>10C/min =>200C or 250C (60min); CAS no: 629209; Active phase: SE-30; Substrate: Supelcoport; Chromosorb; Data type: Linear RI; Authors: Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. Chromatogr., 436, 1988, 137-172., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 3.05 m; Column type: Packed; Heat rate: 10 K/min; Start T: 40 C; End T: 210 C; End time: 30 min; Start time: 10 min; CAS no: 629209; Active phase: SE-30; Carrier gas: He; Substrate: Chromosorb AW; Data type: Linear RI; Authors: Buchman, O.; Cao, G.-Y.; Peng, C.T., Structure assignment by retention index in gas-liquid radiochromatography of substituted cyclohexenes, J. Chromatogr., 312, 1984, 75-90.) NIST Spectra nist ri
      1244 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 45 C; End T: 250 C; Start time: 10 s; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Verzera, A.; Campisi, S.; Zappala, M., SUPELCO. Using SPME-GC-MS to characterize volatile components of honey as indicators of botanical origin, 2005., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 45 C; End T: 250 C; Start time: 10 s; CAS no: 629209; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Verzera, A.; Campisi, S.; Zappala, M.; Bonaccorsi, I., SPME-GC-MS analysis of honey volatile components for the characterization of different floral origin, Am. Lab. Fairfield Conn., 33(15), 2001, 18-21.) NIST Spectra nist ri
      1264 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 230 C; CAS no: 629209; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Peralta, R.R.; Osajima, Y., Headspace gas analysis of fish sauce, J. Agric. Food Chem., 44, 1996, 3601-3605.) NIST Spectra nist ri
      1199 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column length: 3.05 m; Column type: Packed; Heat rate: 8 K/min; Start T: 40 C; End T: 200 C; End time: 60 min; Start time: 4 min; CAS no: 629209; Active phase: Carbowax 20M; Substrate: Supelcoport; Data type: Linear RI; Authors: Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 586, 1991, 85-112.) NIST Spectra nist ri
      1226 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column length: 3.05 m; Column type: Packed; Heat rate: 10 K/min; Start T: 40 C; End T: 210 C; End time: 30 min; Start time: 10 min; CAS no: 629209; Active phase: Carbowax 20M; Carrier gas: He; Substrate: Supelcoport; Data type: Linear RI; Authors: Buchman, O.; Cao, G.-Y.; Peng, C.T., Structure assignment by retention index in gas-liquid radiochromatography of substituted cyclohexenes, J. Chromatogr., 312, 1984, 75-90.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 140.5±0.0 °C at 760 mmHg
Vapour Pressure: 7.6±0.1 mmHg at 25°C
Enthalpy of Vaporization: 36.2±0.8 kJ/mol
Flash Point: 22.2±0.0 °C
Index of Refraction: 1.526
Molar Refractivity: 35.3±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.55
ACD/LogD (pH 5.5): 2.92
ACD/BCF (pH 5.5): 96.87
ACD/KOC (pH 5.5): 919.04
ACD/LogD (pH 7.4): 2.92
ACD/BCF (pH 7.4): 96.87
ACD/KOC (pH 7.4): 919.04
Polar Surface Area: 0 Å2
Polarizability: 14.0±0.5 10-24cm3
Surface Tension: 38.0±3.0 dyne/cm
Molar Volume: 115.1±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) =  3.30
    Log Kow (Exper. database match) =  3.08
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  152.52  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -55.11  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.79  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -4.7 deg C
    BP  (exp database):  140.5 deg C
    VP  (exp database):  7.80E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  77.29
       log Kow used: 3.08 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  223.91 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.22E-002  atm-m3/mole
   Group Method:   8.88E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.381E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.08  (exp database)
  Log Kaw used:  0.405  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.675
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6980
   Biowin2 (Non-Linear Model)     :   0.8220
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9690  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6975  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4518
   Biowin6 (MITI Non-Linear Model):   0.4371
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2479
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4367
     BioHC Half-Life (days)     :   2.7331

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  1.04E+003 Pa (7.8 mm Hg)
  Log Koa (Koawin est  ): 2.675
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.88E-009 
       Octanol/air (Koa) model:  1.16E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.04E-007 
       Mackay model           :  2.31E-007 
       Octanol/air (Koa) model:  9.29E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 205.1900 E-12 cm3/molecule-sec
      Half-Life =     0.052 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.626 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.620000 E-17 cm3/molecule-sec
      Half-Life =     0.707 Days (at 7E11 mol/cm3)
      Half-Life =     16.978 Hrs
   Fraction sorbed to airborne particulates (phi): 1.67E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  562.9
      Log Koc:  2.750 

 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 = 1.672 (BCF = 46.95)
       log Kow used: 3.08 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000888 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.714  hours
    Half-Life from Model Lake :      104.3  hours   (4.345 days)

 Removal In Wastewater Treatment:
    Total removal:              31.34  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     5.39  percent
    Total to Air:               25.85  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.274           1.17         1000       
   Water     20.9            360          1000       
   Soil      78.4            720          1000       
   Sediment  0.407           3.24e+003    0          
     Persistence Time: 331 hr

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