ChemSpider 2D Image | (S)-4,5-dihydroxypentane-2,3-dione | C5H8O4

(S)-4,5-dihydroxypentane-2,3-dione

  • Molecular FormulaC5H8O4
  • Average mass132.115 Da
  • Monoisotopic mass132.042252 Da
  • ChemSpider ID9346083

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(4S)-4,5-Dihydroxy-2,3-pentandion [German] [ACD/IUPAC Name]
(4S)-4,5-Dihydroxy-2,3-pentanedione [ACD/IUPAC Name]
(4S)-4,5-Dihydroxy-2,3-pentanedione [French] [ACD/IUPAC Name]
(S)-4,5-dihydroxypentane-2,3-dione
2,3-Pentanedione, 4,5-dihydroxy-, (4S)- [ACD/Index Name]
2,3-Pentanedione,4,5-dihydroxy-, (4S)-
710324-30-4 [RN]
(S)-4,5-dihydroxy-2,3-pentanedione
(S)-4,5-dihydroxypentan-2,3-dione
(S)-4,5-dihydroxypentane-2,3-dione
More...

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

Density: 1.3±0.1 g/cm3
Boiling Point: 263.0±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 58.2±6.0 kJ/mol
Flash Point: 127.1±21.1 °C
Index of Refraction: 1.474
Molar Refractivity: 28.3±0.3 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -2.43
ACD/LogD (pH 5.5): -1.52
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 3.55
ACD/LogD (pH 7.4): -1.52
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 3.55
Polar Surface Area: 75 Å2
Polarizability: 11.2±0.5 10-24cm3
Surface Tension: 53.3±3.0 dyne/cm
Molar Volume: 100.7±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) =  -2.24

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  268.46  (Adapted Stein & Brown method)
    Melting Pt (deg C):  61.27  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00027  (Modified Grain method)
    Subcooled liquid VP: 0.000589 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: -2.24 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.49E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.694E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.24  (KowWin est)
  Log Kaw used:  -7.215  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.975
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0021
   Biowin2 (Non-Linear Model)     :   0.9667
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2271  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9160  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6405
   Biowin6 (MITI Non-Linear Model):   0.7444
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8822
 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):  0.0785 Pa (0.000589 mm Hg)
  Log Koa (Koawin est  ): 4.975
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.82E-005 
       Octanol/air (Koa) model:  2.32E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00138 
       Mackay model           :  0.00305 
       Octanol/air (Koa) model:  1.85E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  19.3949 E-12 cm3/molecule-sec
      Half-Life =     0.551 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.618 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00221 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1
      Log Koc:  0.000 

 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: -2.24 (estimated)

 Volatilization from Water:
    Henry LC:  1.49E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.517E+005  hours   (1.882E+004 days)
    Half-Life from Model Lake : 4.927E+006  hours   (2.053E+005 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       0.0344          13.2         1000       
   Water     39.2            360          1000       
   Soil      60.7            720          1000       
   Sediment  0.0717          3.24e+003    0          
     Persistence Time: 571 hr

Click to predict properties on the Chemicalize site


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