ChemSpider 2D Image | 2-Methylhydrocinnamic acid | C10H12O2

2-Methylhydrocinnamic acid

  • Molecular FormulaC10H12O2
  • Average mass164.201 Da
  • Monoisotopic mass164.083725 Da
  • ChemSpider ID28703

More details:






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

22084-89-5 [RN]
2-Methylhydrocinnamic acid
3-(2-Methylphenyl)propanoic acid [ACD/IUPAC Name]
3-(2-Methylphenyl)propansäure [German] [ACD/IUPAC Name]
3-(2-Methylphenyl)propionic acid
Acide 3-(2-méthylphényl)propanoïque [French] [ACD/IUPAC Name]
Benzenepropanoic acid, 2-methyl- [ACD/Index Name]
[22084-89-5] [RN]
1643-26-1 [RN]
1-methyl-3-prop-2-enylbenzene
More...

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

MFCD00079773 [DBID]
22084-89-5/77480-25-2 [DBID]
433330_ALDRICH [DBID]
CCRIS 4693 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 293.3±9.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 56.3±3.0 kJ/mol
Flash Point: 190.5±13.9 °C
Index of Refraction: 1.538
Molar Refractivity: 46.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.30
ACD/LogD (pH 5.5): 1.45
ACD/BCF (pH 5.5): 4.57
ACD/KOC (pH 5.5): 58.40
ACD/LogD (pH 7.4): -0.36
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 37 Å2
Polarizability: 18.6±0.5 10-24cm3
Surface Tension: 42.9±3.0 dyne/cm
Molar Volume: 149.7±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) =  2.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  298.00  (Adapted Stein & Brown method)
    Melting Pt (deg C):  83.17  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000603  (Modified Grain method)
    Subcooled liquid VP: 0.00217 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):  618.9
       log Kow used: 2.83 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  670.99 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 :   6.48E-008  atm-m3/mole
   Group Method:   9.30E-009  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.105E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.83  (KowWin est)
  Log Kaw used:  -5.577  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.407
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8514
   Biowin2 (Non-Linear Model)     :   0.9223
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0512  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8593  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4728
   Biowin6 (MITI Non-Linear Model):   0.5031
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1736
 Ready Biodegradability Prediction:   NO

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

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.289 Pa (0.00217 mm Hg)
  Log Koa (Koawin est  ): 8.407
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.04E-005 
       Octanol/air (Koa) model:  6.27E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000374 
       Mackay model           :  0.000829 
       Octanol/air (Koa) model:  0.00499 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.8680 E-12 cm3/molecule-sec
      Half-Life =     1.206 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    14.474 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000602 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  79.84
      Log Koc:  1.902 

 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: 2.83 (estimated)

 Volatilization from Water:
    Henry LC:  9.3E-009 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 8.067E+004  hours   (3361 days)
    Half-Life from Model Lake : 8.802E+005  hours   (3.667E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               4.48  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     4.37  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       0.151           28.9         1000       
   Water     17.9            360          1000       
   Soil      81.7            720          1000       
   Sediment  0.219           3.24e+003    0          
     Persistence Time: 734 hr




                    

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