ChemSpider 2D Image | alpha-Cellobiose | C12H22O11

α-Cellobiose

  • Molecular FormulaC12H22O11
  • Average mass342.297 Da
  • Monoisotopic mass342.116211 Da
  • ChemSpider ID389834

  • defined stereocentres - 10 of 10 defined stereocentres

More details:

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

α-Cellobiose
1-β-D-Glucopyranosyl-4-α-D-glucopyranose
4-O-β-D-Glucopyranosyl-α-D-glucopyranose [ACD/IUPAC Name]
4-O-β-D-Glucopyranosyl-α-D-glucopyranose [German] [ACD/IUPAC Name]
4-O-β-D-Glucopyranosyl-α-D-glucopyranose [French] [ACD/IUPAC Name]
a-Cellobiose
α-D-Glucopyranose, 4-O-β-D-glucopyranosyl- [ACD/Index Name]
β-D-glucopyranosyl-(1->4)-α-D-glucopyranose
&α;-D-cellobiose
&β;-D-glucosyl-(1→4)-&;α;-D-glucose
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

C06421 [DBID]
CHEBI:28676 [DBID]
DivK1c_006540 [DBID]
KBio1_001484 [DBID]
KBio2_001634 [DBID]
KBio2_004202 [DBID]
KBio2_006770 [DBID]
KBio3_002414 [DBID]
KBioGR_001992 [DBID]
KBioSS_001634 [DBID]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.8±0.1 g/cm3
Boiling Point: 667.9±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±4.6 mmHg at 25°C
Enthalpy of Vaporization: 112.4±6.0 kJ/mol
Flash Point: 357.8±31.5 °C
Index of Refraction: 1.652
Molar Refractivity: 70.8±0.4 cm3
#H bond acceptors: 11
#H bond donors: 8
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 2
ACD/LogP: -3.41
ACD/LogD (pH 5.5): -4.10
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.10
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 190 Å2
Polarizability: 28.1±0.5 10-24cm3
Surface Tension: 110.9±5.0 dyne/cm
Molar Volume: 193.6±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) =  -5.12

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  591.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  255.42  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.33E-017  (Modified Grain method)
    MP  (exp database):  254 deg C
    Subcooled liquid VP: 1.67E-014 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):  1e+006
       log Kow used: -5.12 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  5.22e+004 mg/L (20 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
    Wat Sol (Exper. database match) =  52200.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.47E-022  atm-m3/mole
   Group Method:   9.81E-045  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.401E-023 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -5.12  (KowWin est)
  Log Kaw used:  -19.738  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.618
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8123
   Biowin2 (Non-Linear Model)     :   0.0392
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.6965  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.3603  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.2106
   Biowin6 (MITI Non-Linear Model):   0.4800
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.5729
 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):  2.23E-012 Pa (1.67E-014 mm Hg)
  Log Koa (Koawin est  ): 14.618
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.35E+006 
       Octanol/air (Koa) model:  102 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 173.9146 E-12 cm3/molecule-sec
      Half-Life =     0.062 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.738 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1 (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]:
    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: -5.12 (estimated)

 Volatilization from Water:
    Henry LC:  4.47E-022 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.423E+018  hours   (1.01E+017 days)
    Half-Life from Model Lake : 2.644E+019  hours   (1.102E+018 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       1.4e-006        1.48         1000       
   Water     34.5            208          1000       
   Soil      65.5            416          1000       
   Sediment  0.0596          1.87e+003    0          
     Persistence Time: 387 hr

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