ChemSpider 2D Image | S-Ethyl-N-(phenylcarbamothioyl)-L-cysteine | C12H16N2O2S2

S-Ethyl-N-(phenylcarbamothioyl)-L-cysteine

  • Molecular FormulaC12H16N2O2S2
  • Average mass284.398 Da
  • Monoisotopic mass284.065308 Da
  • ChemSpider ID2301461

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

L-Cysteine, S-ethyl-N-[(phenylamino)thioxomethyl]- [ACD/Index Name]
S-Ethyl-N-(phenylcarbamothioyl)-L-cystein [German] [ACD/IUPAC Name]
S-Ethyl-N-(phenylcarbamothioyl)-L-cysteine [ACD/IUPAC Name]
S-Éthyl-N-(phénylcarbamothioyl)-L-cystéine [French] [ACD/IUPAC Name]
(2R)-3-(ETHYLSULFANYL)-2-[(PHENYLCARBAMOTHIOYL)AMINO]PROPANOIC ACID
(R)-3-(Ethylthio)-2-(3-phenylthioureido)propanoic acid
118573-61-8 [RN]
phenylthiocarbamyl-S-ethylcysteine
Ptcsec

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

Density: 1.3±0.1 g/cm3
Boiling Point: 454.1±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.2±3.0 kJ/mol
Flash Point: 228.4±31.5 °C
Index of Refraction: 1.664
Molar Refractivity: 79.4±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 8
#Rule of 5 Violations: 0
ACD/LogP: 2.47
ACD/LogD (pH 5.5): -1.00
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.05
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 119 Å2
Polarizability: 31.5±0.5 10-24cm3
Surface Tension: 65.5±3.0 dyne/cm
Molar Volume: 214.2±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) =  -0.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  435.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  181.14  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.6E-008  (Modified Grain method)
    Subcooled liquid VP: 1.1E-006 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):  12.71
       log Kow used: -0.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.92454 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.34E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.655E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.36  (KowWin est)
  Log Kaw used:  -10.661  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.301
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0231
   Biowin2 (Non-Linear Model)     :   0.9838
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9031  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0333  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2635
   Biowin6 (MITI Non-Linear Model):   0.0924
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0026
 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):  0.000147 Pa (1.1E-006 mm Hg)
  Log Koa (Koawin est  ): 10.301
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0205 
       Octanol/air (Koa) model:  0.00491 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.425 
       Mackay model           :  0.621 
       Octanol/air (Koa) model:  0.282 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 140.9350 E-12 cm3/molecule-sec
      Half-Life =     0.076 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.911 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.523 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  28.82
      Log Koc:  1.460 

 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: -0.36 (estimated)

 Volatilization from Water:
    Henry LC:  5.34E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.849E+009  hours   (7.704E+007 days)
    Half-Life from Model Lake : 2.017E+010  hours   (8.404E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       2.5e-005        1.82         1000       
   Water     38.8            360          1000       
   Soil      61.2            720          1000       
   Sediment  0.0712          3.24e+003    0          
     Persistence Time: 580 hr

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