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ChemSpider 2D Image | 4-Hexynal | C6H8O

4-Hexynal

  • Molecular FormulaC6H8O
  • Average mass96.127 Da
  • Monoisotopic mass96.057518 Da
  • ChemSpider ID9150611

More details:

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

4-Hexinal [German] [ACD/IUPAC Name]
4-Hexynal [ACD/Index Name] [ACD/IUPAC Name]
4-Hexynal [French] [ACD/IUPAC Name]
41143-14-0 [RN]
hex-4-ynal
MFCD16824624

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

Density: 0.9±0.1 g/cm3
Boiling Point: 149.5±23.0 °C at 760 mmHg
Vapour Pressure: 4.0±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.6±3.0 kJ/mol
Flash Point: 42.4±17.6 °C
Index of Refraction: 1.432
Molar Refractivity: 28.0±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 1.02
ACD/LogD (pH 5.5): 1.15
ACD/BCF (pH 5.5): 4.38
ACD/KOC (pH 5.5): 100.10
ACD/LogD (pH 7.4): 1.15
ACD/BCF (pH 7.4): 4.38
ACD/KOC (pH 7.4): 100.10
Polar Surface Area: 17 Å2
Polarizability: 11.1±0.5 10-24cm3
Surface Tension: 32.3±3.0 dyne/cm
Molar Volume: 108.2±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) =  1.08

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  148.46  (Adapted Stein & Brown method)
    Melting Pt (deg C):  2.67  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.31  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.426e+004
       log Kow used: 1.08 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  23834 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.31E-005  atm-m3/mole
   Group Method:   1.99E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.823E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.08  (KowWin est)
  Log Kaw used:  -3.271  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.351
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9864
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0091  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9057  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9368
   Biowin6 (MITI Non-Linear Model):   0.9668
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9311
 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):  525 Pa (3.94 mm Hg)
  Log Koa (Koawin est  ): 4.351
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.71E-009 
       Octanol/air (Koa) model:  5.51E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.06E-007 
       Mackay model           :  4.57E-007 
       Octanol/air (Koa) model:  4.41E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  52.4002 E-12 cm3/molecule-sec
      Half-Life =     0.204 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.449 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.003000 E-17 cm3/molecule-sec
      Half-Life =   382.000 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 3.32E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  17.34
      Log Koc:  1.239 

 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 = 0.134 (BCF = 1.361)
       log Kow used: 1.08 (estimated)

 Volatilization from Water:
    Henry LC:  1.99E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      289.5  hours   (12.06 days)
    Half-Life from Model Lake :       3240  hours   (135 days)

 Removal In Wastewater Treatment:
    Total removal:               2.01  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.80  percent
    Total to Air:                0.11  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.667           4.9          1000       
   Water     43.4            360          1000       
   Soil      55.9            720          1000       
   Sediment  0.0884          3.24e+003    0          
     Persistence Time: 355 hr

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