ChemSpider 2D Image | Carnosic acid | C20H28O4

Carnosic acid

  • Molecular FormulaC20H28O4
  • Average mass332.434 Da
  • Monoisotopic mass332.198761 Da
  • ChemSpider ID58635
  • defined stereocentres - 2 of 2 defined stereocentres

More details:

Featured data source

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

11,12-Dihydroxyabieta-8,11,13-trien-20-oic acid [ACD/IUPAC Name]
11,12-Dihydroxyabieta-8,11,13-trien-20-säure [German] [ACD/IUPAC Name]
4a(2H)-Phenanthrenecarboxylic acid, 1,3,4,9,10,10a-hexahydro-5,6-dihydroxy-1,1-dimethyl-7-(1-methylethyl)-, (4aR,10aS)- [ACD/Index Name]
Acide 11,12-dihydroxyabiéta-8,11,13-trién-20-oïque [French] [ACD/IUPAC Name]
Carnosic acid [Wiki]
(4aR,10aS)-1,3,4,9,10,10a-Hexahydro-5,6-dihydroxy-1,1-dimethyl-7-(1-methylethyl)-4a(2H)-phenanthrenecarboxylic acid
(4aR,10aS)-5,6-dihydroxy-1,1-dimethyl-7-(propan-2-yl)-1,3,4,9,10,10a-hexahydrophenanthrene-4a(2H)-carboxylic acid
(4aR,10aS)-5,6-dihydroxy-1,1-dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene-4a-carboxylic acid
(4aR,10aS)-5,6-dihydroxy-7-isopropyl-1,1-dimethyl-2,3,4,9,10,10a-hexahydrophenanthrene-4a-carboxylic acid

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

NCI60_033653 [DBID]
NSC694080 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 506.4±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 81.7±3.0 kJ/mol
Flash Point: 274.2±26.6 °C
Index of Refraction: 1.576
Molar Refractivity: 92.8±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 4.93
ACD/LogD (pH 5.5): 3.53
ACD/BCF (pH 5.5): 131.01
ACD/KOC (pH 5.5): 461.60
ACD/LogD (pH 7.4): 1.76
ACD/BCF (pH 7.4): 2.27
ACD/KOC (pH 7.4): 7.99
Polar Surface Area: 78 Å2
Polarizability: 36.8±0.5 10-24cm3
Surface Tension: 49.2±3.0 dyne/cm
Molar Volume: 280.6±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) =  5.20

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  472.92  (Adapted Stein & Brown method)
    Melting Pt (deg C):  199.95  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.12E-011  (Modified Grain method)
    Subcooled liquid VP: 3.59E-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):  2.727
       log Kow used: 5.20 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  24.479 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.93E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.213E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.20  (KowWin est)
  Log Kaw used:  -13.103  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  18.303
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6351
   Biowin2 (Non-Linear Model)     :   0.1760
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3679  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3891  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2037
   Biowin6 (MITI Non-Linear Model):   0.0470
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5416
 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):  4.79E-007 Pa (3.59E-009 mm Hg)
  Log Koa (Koawin est  ): 18.303
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.27 
       Octanol/air (Koa) model:  4.93E+005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.996 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 176.0833 E-12 cm3/molecule-sec
      Half-Life =     0.061 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.729 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.997 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  6.136E+004
      Log Koc:  4.788 

 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 = 0.750 (BCF = 5.623)
       log Kow used: 5.20 (estimated)

 Volatilization from Water:
    Henry LC:  1.93E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.531E+011  hours   (2.305E+010 days)
    Half-Life from Model Lake : 6.034E+012  hours   (2.514E+011 days)

 Removal In Wastewater Treatment:
    Total removal:              83.11  percent
    Total biodegradation:        0.71  percent
    Total sludge adsorption:    82.40  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       3.58e-006       1.46         1000       
   Water     7.1             900          1000       
   Soil      68              1.8e+003     1000       
   Sediment  24.9            8.1e+003     0          
     Persistence Time: 2.42e+003 hr


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