ChemSpider 2D Image | gentisaldehyde | C7H6O3

gentisaldehyde

  • Molecular FormulaC7H6O3
  • Average mass138.121 Da
  • Monoisotopic mass138.031693 Da
  • ChemSpider ID64111

More details:






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

1194-98-5 [RN]
2,5-Dihydroxybenzaldehyd [German] [ACD/IUPAC Name]
2,5-Dihydroxybenzaldehyde [ACD/IUPAC Name]
2,5-Dihydroxybenzaldéhyde [French] [ACD/IUPAC Name]
214-789-6 [EINECS]
Benzaldehyde, 2,5-dihydroxy- [ACD/Index Name]
gentisaldehyde
VHR BQ EQ [WLN]
"2,5-DIHYDROXYBENZALDEHYDE"|"2,5-DIHYDROXYBENZALDEHYDE"
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

0Q83HDS90W [DBID]
MFCD00003333 [DBID]
AIDS220859 [DBID]
AIDS-220859 [DBID]
AIDS220866 [DBID]
AIDS-220866 [DBID]
C05585 [DBID]
CCRIS 4693 [DBID]
D108200_ALDRICH [DBID]
NCIOpen2_000629 [DBID]
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.4±0.1 g/cm3
Boiling Point: 276.1±20.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 53.5±3.0 kJ/mol
Flash Point: 135.1±18.3 °C
Index of Refraction: 1.674
Molar Refractivity: 36.8±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.12
ACD/LogD (pH 5.5): 1.22
ACD/BCF (pH 5.5): 4.95
ACD/KOC (pH 5.5): 109.27
ACD/LogD (pH 7.4): 1.20
ACD/BCF (pH 7.4): 4.78
ACD/KOC (pH 7.4): 105.60
Polar Surface Area: 58 Å2
Polarizability: 14.6±0.5 10-24cm3
Surface Tension: 69.0±3.0 dyne/cm
Molar Volume: 98.0±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) =  1.53

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  289.49  (Adapted Stein & Brown method)
    Melting Pt (deg C):  88.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000116  (Modified Grain method)
    Subcooled liquid VP: 0.000472 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):  1.61e+004
       log Kow used: 1.53 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1.38e+004 mg/L (25 deg C)
        Exper. Ref:  JIN,LJ ET AL. (1998)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.2297e+005 mg/L
    Wat Sol (Exper. database match) =  13800.00
       Exper. Ref:  JIN,LJ ET AL. (1998)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aldehydes
       Phenols
       Quinone/Hydroquinone

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.83E-010  atm-m3/mole
   Group Method:   4.25E-013  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.309E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.53  (KowWin est)
  Log Kaw used:  -8.126  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.656
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1980
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0290  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9245  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8657
   Biowin6 (MITI Non-Linear Model):   0.9321
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8338
 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):  0.0629 Pa (0.000472 mm Hg)
  Log Koa (Koawin est  ): 9.656
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.77E-005 
       Octanol/air (Koa) model:  0.00111 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00172 
       Mackay model           :  0.0038 
       Octanol/air (Koa) model:  0.0817 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  28.7955 E-12 cm3/molecule-sec
      Half-Life =     0.371 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.457 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.00276 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  87.49
      Log Koc:  1.942 

 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 = 0.476 (BCF = 2.99)
       log Kow used: 1.53 (estimated)

 Volatilization from Water:
    Henry LC:  1.83E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  3.76E+006  hours   (1.567E+005 days)
    Half-Life from Model Lake : 4.102E+007  hours   (1.709E+006 days)

 Removal In Wastewater Treatment:
    Total removal:               1.98  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.89  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       0.0038          8.91         1000       
   Water     28.8            360          1000       
   Soil      71.2            720          1000       
   Sediment  0.0695          3.24e+003    0          
     Persistence Time: 654 hr




                    

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