ChemSpider 2D Image | MFCD04114157 | C6H7NO3S

MFCD04114157

  • Molecular FormulaC6H7NO3S
  • Average mass173.190 Da
  • Monoisotopic mass173.014664 Da
  • ChemSpider ID2043529

More details:

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

18616-04-1 [RN]
2-Pyridinesulfonic acid, 4-methyl- [ACD/Index Name]
4-Methyl-2-pyridinesulfonic acid [ACD/IUPAC Name]
4-Methyl-2-pyridinsulfonsäure [German] [ACD/IUPAC Name]
4-Methylpyridine-2-sulfonic acid
Acide 4-méthyl-2-pyridinesulfonique [French] [ACD/IUPAC Name]
MFCD04114157
2-Pyridinesulfonicacid, 4-methyl-
2-Pyridinesulfonicacid,4-methyl-

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

Density: 1.4±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.563
Molar Refractivity: 39.5±0.4 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -0.15
ACD/LogD (pH 5.5): -3.92
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.92
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 76 Å2
Polarizability: 15.7±0.5 10-24cm3
Surface Tension: 56.8±3.0 dyne/cm
Molar Volume: 121.7±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) =  -1.81

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  337.49  (Adapted Stein & Brown method)
    Melting Pt (deg C):  113.93  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.58E-006  (Modified Grain method)
    Subcooled liquid VP: 1.19E-005 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: -1.81 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 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 :   1.41E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.601E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.81  (KowWin est)
  Log Kaw used:  -8.239  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.429
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3414
   Biowin2 (Non-Linear Model)     :   0.1766
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6696  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5322  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2517
   Biowin6 (MITI Non-Linear Model):   0.1696
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4423
 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):  0.00159 Pa (1.19E-005 mm Hg)
  Log Koa (Koawin est  ): 6.429
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00189 
       Octanol/air (Koa) model:  6.59E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0639 
       Mackay model           :  0.131 
       Octanol/air (Koa) model:  5.27E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.4825 E-12 cm3/molecule-sec
      Half-Life =    22.167 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0977 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  19.12
      Log Koc:  1.282 

 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: -1.81 (estimated)

 Volatilization from Water:
    Henry LC:  1.41E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.465E+006  hours   (2.277E+005 days)
    Half-Life from Model Lake : 5.961E+007  hours   (2.484E+006 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       0.00213         532          1000       
   Water     46.5            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0892          8.1e+003     0          
     Persistence Time: 972 hr

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