ChemSpider 2D Image | 2,3-Di-O-acetyl-4,6-O-(4-methoxybenzylidene)-D-glucopyranose | C18H22O9

2,3-Di-O-acetyl-4,6-O-(4-methoxybenzylidene)-D-glucopyranose

  • Molecular FormulaC18H22O9
  • Average mass382.362 Da
  • Monoisotopic mass382.126373 Da
  • ChemSpider ID9968935

  • defined stereocentres - 5 of 6 defined stereocentres

More details:

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

2,3-Di-O-acetyl-4,6-O-(4-methoxybenzyliden)-D-glucopyranose [German] [ACD/IUPAC Name]
2,3-Di-O-acetyl-4,6-O-(4-methoxybenzylidene)-D-glucopyranose [ACD/IUPAC Name]
2,3-Di-O-acétyl-4,6-O-(4-méthoxybenzylidène)-D-glucopyranose [French] [ACD/IUPAC Name]
D-Glucopyranose, 4,6-O-[(4-methoxyphenyl)methylene]-, 2,3-diacetate [ACD/Index Name]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 505.7±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 81.6±3.0 kJ/mol
Flash Point: 177.3±23.6 °C
Index of Refraction: 1.558
Molar Refractivity: 90.3±0.4 cm3
#H bond acceptors: 9
#H bond donors: 1
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 2.71
ACD/LogD (pH 5.5): 2.02
ACD/BCF (pH 5.5): 20.13
ACD/KOC (pH 5.5): 298.43
ACD/LogD (pH 7.4): 2.02
ACD/BCF (pH 7.4): 20.12
ACD/KOC (pH 7.4): 298.41
Polar Surface Area: 110 Å2
Polarizability: 35.8±0.5 10-24cm3
Surface Tension: 54.3±5.0 dyne/cm
Molar Volume: 280.3±5.0 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) =  -1.09

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  452.03  (Adapted Stein & Brown method)
    Melting Pt (deg C):  165.47  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.89E-010  (Modified Grain method)
    Subcooled liquid VP: 5.29E-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):  1.085e+005
       log Kow used: -1.09 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.2534e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.36E-020  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.764E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.09  (KowWin est)
  Log Kaw used:  -17.862  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.772
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1624
   Biowin2 (Non-Linear Model)     :   0.2343
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7104  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.9313  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7291
   Biowin6 (MITI Non-Linear Model):   0.2271
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2087
 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):  7.05E-007 Pa (5.29E-009 mm Hg)
  Log Koa (Koawin est  ): 16.772
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.25 
       Octanol/air (Koa) model:  1.45E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.994 
       Mackay model           :  0.997 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 137.1842 E-12 cm3/molecule-sec
      Half-Life =     0.078 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.936 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.995 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.816E-001  L/mol-sec
  Kb Half-Life at pH 8:      44.162  days   
  Kb Half-Life at pH 7:       1.209  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -1.09 (estimated)

 Volatilization from Water:
    Henry LC:  3.36E-020 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.407E+016  hours   (1.42E+015 days)
    Half-Life from Model Lake : 3.717E+017  hours   (1.549E+016 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       9.2e-011        1.87         1000       
   Water     46.4            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0891          8.1e+003     0          
     Persistence Time: 973 hr

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