ChemSpider 2D Image | 3,5-Octadiyne | C8H10


  • Molecular FormulaC8H10
  • Average mass106.165 Da
  • Monoisotopic mass106.078247 Da
  • ChemSpider ID123521

More details:

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

3,5-Octadiin [German] [ACD/IUPAC Name]
3,5-Octadiyne [ACD/Index Name] [ACD/IUPAC Name]
3,5-Octadiyne [French] [ACD/IUPAC Name]
16387-70-5 [RN]

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

NSC147147 [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      851 (estimated with error: 39) NIST Spectra mainlib_231838
    • Retention Index (Normal Alkane):

      972 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 16387705; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Non-Traditional Criteria for Gas-Chromatographic and Chromato-Mass-Spectrometric Identification of Organic Compounds, Zh. Anal. Khim., 53(8), 1998, 828-835, In original 828-835.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 0.8±0.1 g/cm3
Boiling Point: 163.5±0.0 °C at 760 mmHg
Vapour Pressure: 2.7±0.1 mmHg at 25°C
Enthalpy of Vaporization: 38.4±0.8 kJ/mol
Flash Point: 43.2±12.9 °C
Index of Refraction: 1.464
Molar Refractivity: 35.1±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 3.30
ACD/LogD (pH 5.5): 2.85
ACD/BCF (pH 5.5): 85.95
ACD/KOC (pH 5.5): 843.64
ACD/LogD (pH 7.4): 2.85
ACD/BCF (pH 7.4): 85.95
ACD/KOC (pH 7.4): 843.64
Polar Surface Area: 0 Å2
Polarizability: 13.9±0.5 10-24cm3
Surface Tension: 33.8±3.0 dyne/cm
Molar Volume: 127.2±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) =  3.37

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  152.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  11.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.57  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  42.84
       log Kow used: 3.37 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  192.87 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.51E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.490E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.37  (KowWin est)
  Log Kaw used:  -0.209  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.579
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6970
   Biowin2 (Non-Linear Model)     :   0.8177
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9646  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6946  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4959
   Biowin6 (MITI Non-Linear Model):   0.5887
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7289
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4288
     BioHC Half-Life (days)     :   2.6841

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  559 Pa (4.19 mm Hg)
  Log Koa (Koawin est  ): 3.579
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.37E-009 
       Octanol/air (Koa) model:  9.31E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.94E-007 
       Mackay model           :  4.3E-007 
       Octanol/air (Koa) model:  7.45E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  72.4026 E-12 cm3/molecule-sec
      Half-Life =     0.148 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.773 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.006000 E-17 cm3/molecule-sec
      Half-Life =   191.000 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 3.12E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  506.7
      Log Koc:  2.705 

 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 = 1.897 (BCF = 78.87)
       log Kow used: 3.37 (estimated)

 Volatilization from Water:
    Henry LC:  0.0151 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.091  hours
    Half-Life from Model Lake :       98.3  hours   (4.096 days)

 Removal In Wastewater Treatment:
    Total removal:              86.12  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     6.06  percent
    Total to Air:               80.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.21            3.54         1000       
   Water     38.7            360          1000       
   Soil      57.8            720          1000       
   Sediment  1.32            3.24e+003    0          
     Persistence Time: 160 hr


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