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ChemSpider 2D Image | 2,1-Benzothiazole | C7H5NS

2,1-Benzothiazole

  • Molecular FormulaC7H5NS
  • Average mass135.186 Da
  • Monoisotopic mass135.014267 Da
  • ChemSpider ID553575

More details:

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

2,1-Benzisothiazole [ACD/Index Name]
2,1-Benzothiazol [German] [ACD/IUPAC Name]
2,1-Benzothiazole [ACD/IUPAC Name]
2,1-Benzothiazole [French] [ACD/IUPAC Name]
1,2-Benzisothiazole [ACD/Index Name]
271-61-4 [RN]
MFCD11109146

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

Density: 1.3±0.1 g/cm3
Boiling Point: 220.0±9.0 °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: 89.5±9.1 °C
Index of Refraction: 1.689
Molar Refractivity: 40.6±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.52
ACD/LogD (pH 5.5): 2.45
ACD/BCF (pH 5.5): 42.55
ACD/KOC (pH 5.5): 503.88
ACD/LogD (pH 7.4): 2.47
ACD/BCF (pH 7.4): 44.39
ACD/KOC (pH 7.4): 525.59
Polar Surface Area: 41 Å2
Polarizability: 16.1±0.5 10-24cm3
Surface Tension: 54.3±3.0 dyne/cm
Molar Volume: 106.3±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) =  2.17

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  248.94  (Adapted Stein & Brown method)
    Melting Pt (deg C):  56.58  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0143  (Modified Grain method)
    Subcooled liquid VP: 0.0281 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):  1232
       log Kow used: 2.17 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  746.66 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.18E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.065E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.17  (KowWin est)
  Log Kaw used:  -3.767  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.937
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6832
   Biowin2 (Non-Linear Model)     :   0.7482
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9004  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6527  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3511
   Biowin6 (MITI Non-Linear Model):   0.3151
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3589
 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):  3.75 Pa (0.0281 mm Hg)
  Log Koa (Koawin est  ): 5.937
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.01E-007 
       Octanol/air (Koa) model:  2.12E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.89E-005 
       Mackay model           :  6.41E-005 
       Octanol/air (Koa) model:  1.7E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   7.0000 E-12 cm3/molecule-sec
      Half-Life =     1.528 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    18.336 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.65E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  996.2
      Log Koc:  2.998 

 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 = 0.970 (BCF = 9.335)
       log Kow used: 2.17 (estimated)

 Volatilization from Water:
    Henry LC:  4.18E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:        164  hours   (6.835 days)
    Half-Life from Model Lake :       1887  hours   (78.63 days)

 Removal In Wastewater Treatment:
    Total removal:               2.67  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.33  percent
    Total to Air:                0.23  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.65            36.7         1000       
   Water     29.3            360          1000       
   Soil      67.9            720          1000       
   Sediment  0.127           3.24e+003    0          
     Persistence Time: 439 hr

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