ChemSpider 2D Image | Psyllic acid | C33H66O2

Psyllic acid

  • Molecular FormulaC33H66O2
  • Average mass494.876 Da
  • Monoisotopic mass494.506287 Da
  • ChemSpider ID157945

More details:






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

Acide tritriacontanoïque [French] [ACD/IUPAC Name]
Ceromelissic acid
Psyllic acid [Wiki]
Pysslostearic acid
Tritriacontanoic acid [ACD/Index Name] [ACD/IUPAC Name]
Tritriacontansäure [German] [ACD/IUPAC Name]
38232-03-0 [RN]
Anti-TIMP-2

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

LMFA01010033 [DBID]
T5160_SIGMA [DBID]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 456.1±8.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.5±3.0 kJ/mol
Flash Point: 202.9±13.3 °C
Index of Refraction: 1.463
Molar Refractivity: 156.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 31
#Rule of 5 Violations: 1
ACD/LogP: 16.19
ACD/LogD (pH 5.5): 13.24
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 10000000.00
ACD/LogD (pH 7.4): 11.45
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 2649657.00
Polar Surface Area: 37 Å2
Polarizability: 62.0±0.5 10-24cm3
Surface Tension: 33.6±3.0 dyne/cm
Molar Volume: 567.9±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) =  15.31

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  556.10  (Adapted Stein & Brown method)
    Melting Pt (deg C):  238.66  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.99E-012  (Modified Grain method)
    Subcooled liquid VP: 1.01E-009 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):  1.611e-010
       log Kow used: 15.31 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.9489e-007 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Surfactants-anionic-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.57E-003  atm-m3/mole
   Group Method:   1.31E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.017E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  15.31  (KowWin est)
  Log Kaw used:  -0.836  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.146
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6931
   Biowin2 (Non-Linear Model)     :   0.1777
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7685  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7884  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9533
   Biowin6 (MITI Non-Linear Model):   0.9374
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.4312
 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):  1.35E-007 Pa (1.01E-009 mm Hg)
  Log Koa (Koawin est  ): 16.146
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  22.3 
       Octanol/air (Koa) model:  3.44E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.999 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  43.6761 E-12 cm3/molecule-sec
      Half-Life =     0.245 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.939 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.135E+008
      Log Koc:  8.055 

 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: 15.31 (estimated)

 Volatilization from Water:
    Henry LC:  0.0131 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.369  hours
    Half-Life from Model Lake :      212.4  hours   (8.849 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.16            5.88         1000       
   Water     3.59            360          1000       
   Soil      30.8            720          1000       
   Sediment  65.4            3.24e+003    0          
     Persistence Time: 1.32e+003 hr




                    

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