ChemSpider 2D Image | Thiomalic acid | C4H6O4S

Thiomalic acid

  • Molecular FormulaC4H6O4S
  • Average mass150.153 Da
  • Monoisotopic mass149.998672 Da
  • ChemSpider ID6032

More details:



Featured data source



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

211-423-7 [EINECS]
2-mercaptosuccinic acid
2-Sulfanylbernsteinsäure [German] [ACD/IUPAC Name]
2-sulfanylbutanedioic acid
2-Sulfanylsuccinic acid [ACD/IUPAC Name]
2-thiomalic acid
644-87-1 [RN]
70-49-5 [RN]
Acide 2-sulfanylsuccinique [French] [ACD/IUPAC Name]
Butanedioic acid, 2-mercapto- [ACD/Index Name]
More...

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

88460_FLUKA [DBID]
AI3-22956 [DBID]
AIDS005359 [DBID]
AIDS-005359 [DBID]
BRN 1099858 [DBID]
M6182_ALDRICH [DBID]
NCI60_003949 [DBID]
NSC 7302 [DBID]
NSC3211 [DBID]
NSC41809 [DBID]
More...

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

Density: 1.5±0.1 g/cm3
Boiling Point: 256.3±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 54.4±6.0 kJ/mol
Flash Point: 108.8±24.6 °C
Index of Refraction: 1.556
Molar Refractivity: 31.6±0.3 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 0.35
ACD/LogD (pH 5.5): -2.95
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.44
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 113 Å2
Polarizability: 12.5±0.5 10-24cm3
Surface Tension: 70.0±3.0 dyne/cm
Molar Volume: 98.2±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) =  -0.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  322.07  (Adapted Stein & Brown method)
    Melting Pt (deg C):  106.88  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.29E-005  (Modified Grain method)
    MP  (exp database):  149 deg C
    Subcooled liquid VP: 0.0006 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: -0.88 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  5e+005 mg/L (40 deg C)
        Exper. Ref:  MERCK INDEX (1996)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.1542e+005 mg/L
    Wat Sol (Exper. database match) =  500000.00
       Exper. Ref:  MERCK INDEX (1996)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Thiols(mercaptans)-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.92E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.500E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.88  (KowWin est)
  Log Kaw used:  -11.105  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.225
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8214
   Biowin2 (Non-Linear Model)     :   0.8969
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.5966  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.4022  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6265
   Biowin6 (MITI Non-Linear Model):   0.6878
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.0698
 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):  0.08 Pa (0.0006 mm Hg)
  Log Koa (Koawin est  ): 10.225
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.75E-005 
       Octanol/air (Koa) model:  0.00412 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00135 
       Mackay model           :  0.00299 
       Octanol/air (Koa) model:  0.248 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  48.3609 E-12 cm3/molecule-sec
      Half-Life =     0.221 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.654 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00217 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10.44
      Log Koc:  1.019 

 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: -0.88 (estimated)

 Volatilization from Water:
    Henry LC:  1.92E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.737E+009  hours   (1.557E+008 days)
    Half-Life from Model Lake : 4.076E+010  hours   (1.698E+009 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       6.79e-006       5.31         1000       
   Water     34.4            208          1000       
   Soil      65.5            416          1000       
   Sediment  0.0596          1.87e+003    0          
     Persistence Time: 387 hr




                    

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