ChemSpider 2D Image | 5-Methyl-1,2,3-thiadiazole-4-thiolate | C3H3N2S2

5-Methyl-1,2,3-thiadiazole-4-thiolate

  • Molecular FormulaC3H3N2S2
  • Average mass131.200 Da
  • Monoisotopic mass130.974319 Da
  • ChemSpider ID10549439

  • Charge - Charge

More details:

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

1,2,3-Thiadiazole-4-thiol, 5-methyl-, ion(1-) [ACD/Index Name]
5-Methyl-1,2,3-thiadiazol-4-thiolat [German] [ACD/IUPAC Name]
5-Methyl-1,2,3-thiadiazole-4-thiolate [ACD/IUPAC Name]
5-Méthyl-1,2,3-thiadiazole-4-thiolate [French] [ACD/IUPAC Name]

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

Density:
Boiling Point: 220.1±32.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 43.8±3.0 kJ/mol
Flash Point: 86.9±25.1 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.55
ACD/LogD (pH 5.5): -0.54
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.61
ACD/LogD (pH 7.4): -1.68
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 54 Å2
Polarizability:
Surface Tension:
Molar Volume:

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.41

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  264.71  (Adapted Stein & Brown method)
    Melting Pt (deg C):  67.95  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00491  (Modified Grain method)
    Subcooled liquid VP: 0.0124 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):  5604
       log Kow used: 1.41 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  10663 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.86E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.524E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.41  (KowWin est)
  Log Kaw used:  -4.119  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.529
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7393
   Biowin2 (Non-Linear Model)     :   0.8467
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8322  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5885  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3603
   Biowin6 (MITI Non-Linear Model):   0.2722
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4643
 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):  1.65 Pa (0.0124 mm Hg)
  Log Koa (Koawin est  ): 5.529
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.81E-006 
       Octanol/air (Koa) model:  8.3E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.55E-005 
       Mackay model           :  0.000145 
       Octanol/air (Koa) model:  6.64E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.8360 E-12 cm3/molecule-sec
      Half-Life =    12.794 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000105 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  26.04
      Log Koc:  1.416 

 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 = 0.388 (BCF = 2.442)
       log Kow used: 1.41 (estimated)

 Volatilization from Water:
    Henry LC:  1.86E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      363.1  hours   (15.13 days)
    Half-Life from Model Lake :       4057  hours   (169.1 days)

 Removal In Wastewater Treatment:
    Total removal:               2.05  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.85  percent
    Total to Air:                0.11  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       6               307          1000       
   Water     36.8            360          1000       
   Soil      57.1            720          1000       
   Sediment  0.0837          3.24e+003    0          
     Persistence Time: 423 hr

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