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Search term: InChI=1/C8H16O2/c1-3-5-7(4-2)6-8(9)10/h7H,3-6H2,1-2H3,(H,9,10)/f/h9H (Found by conversion of search term to chemical structure (tautomer/stereo mismatch))

ChemSpider 2D Image | 3-Ethylhexanoic acid | C8H16O2

3-Ethylhexanoic acid

  • Molecular FormulaC8H16O2
  • Average mass144.211 Da
  • Monoisotopic mass144.115036 Da
  • ChemSpider ID35506

More details:






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

3-Ethylhexanoic acid [ACD/IUPAC Name]
3-Ethylhexansäure [German] [ACD/IUPAC Name]
Acide 3-éthylhexanoïque [French] [ACD/IUPAC Name]
Hexanoic acid, 3-ethyl- [ACD/Index Name]
3-ETHYLHEXANOICACID
41065-91-2 [RN]
MFCD00049200

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

Density: 0.9±0.1 g/cm3
Boiling Point: 234.6±8.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 51.9±6.0 kJ/mol
Flash Point: 116.6±6.9 °C
Index of Refraction: 1.435
Molar Refractivity: 40.6±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.72
ACD/LogD (pH 5.5): 1.74
ACD/BCF (pH 5.5): 8.02
ACD/KOC (pH 5.5): 92.57
ACD/LogD (pH 7.4): -0.05
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.49
Polar Surface Area: 37 Å2
Polarizability: 16.1±0.5 10-24cm3
Surface Tension: 31.8±3.0 dyne/cm
Molar Volume: 155.6±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) =  2.96

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  234.20  (Adapted Stein & Brown method)
    Melting Pt (deg C):  37.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0458  (Modified Grain method)
    Subcooled liquid VP: 0.0596 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  592.1
       log Kow used: 2.96 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1861.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.00E-006  atm-m3/mole
   Group Method:   2.81E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.468E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.96  (KowWin est)
  Log Kaw used:  -3.911  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.871
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7516
   Biowin2 (Non-Linear Model)     :   0.8326
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2451  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0252  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6121
   Biowin6 (MITI Non-Linear Model):   0.7602
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8018
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  7.95 Pa (0.0596 mm Hg)
  Log Koa (Koawin est  ): 6.871
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.78E-007 
       Octanol/air (Koa) model:  1.82E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.36E-005 
       Mackay model           :  3.02E-005 
       Octanol/air (Koa) model:  0.000146 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.0369 E-12 cm3/molecule-sec
      Half-Life =     1.184 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    14.203 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.19E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  23.57
      Log Koc:  1.372 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 2.96 (estimated)

 Volatilization from Water:
    Henry LC:  2.81E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      251.4  hours   (10.48 days)
    Half-Life from Model Lake :       2844  hours   (118.5 days)

 Removal In Wastewater Treatment:
    Total removal:               5.51  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     5.24  percent
    Total to Air:                0.15  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2               28.4         1000       
   Water     24.9            360          1000       
   Soil      72.7            720          1000       
   Sediment  0.387           3.24e+003    0          
     Persistence Time: 472 hr




                    

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