2,2dithiodibenzoic acid C14H10O4S2 structure

C14H10O4S2 structure
Molecular Formula C14H10O4S2
Average mass 306.357 Da
Density 1.5±0.1 g/cm3
Boiling Point 493.1±30.0 °C at 760 mmHg
Flash Point 252.0±24.6 °C
Molar Refractivity 80.0±0.4 cm3
Polarizability 31.7±0.5 10-24cm3
Surface Tension 83.9±5.0 dyne/cm
Molar Volume 199.3±5.0 cm3

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

Density: 1.5±0.1 g/cm3
Boiling Point: 493.1±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 80.1±3.0 kJ/mol
Flash Point: 252.0±24.6 °C
Index of Refraction: 1.736
Molar Refractivity: 80.0±0.4 cm3
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 4.16
ACD/LogD (pH 5.5): 0.27
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): 0.01
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 125 Å2
Polarizability: 31.7±0.5 10-24cm3
Surface Tension: 83.9±5.0 dyne/cm
Molar Volume: 199.3±5.0 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) = 3.38

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 502.04 (Adapted Stein & Brown method)
 Melting Pt (deg C): 213.55 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.03E-011 (Modified Grain method)
 MP (exp database): 287-290 deg C
 Subcooled liquid VP: 2.44E-008 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): 14.51
 log Kow used: 3.38 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 15.548 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 : 1.96E-014 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 8.417E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.38 (KowWin est)
 Log Kaw used: -12.096 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 15.476
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9554
 Biowin2 (Non-Linear Model) : 0.9708
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6979 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4212 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6204
 Biowin6 (MITI Non-Linear Model): 0.3852
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.6038
 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): 3.25E-006 Pa (2.44E-008 mm Hg)
 Log Koa (Koawin est ): 15.476
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.922 
 Octanol/air (Koa) model: 735 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.971 
 Mackay model : 0.987 
 Octanol/air (Koa) model: 1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 235.3492 E-12 cm3/molecule-sec
 Half-Life = 0.045 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.545 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.979 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 9388
 Log Koc: 3.973 

 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: 3.38 (estimated)

 Volatilization from Water:
 Henry LC: 1.96E-014 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 5.228E+010 hours (2.178E+009 days)
 Half-Life from Model Lake : 5.704E+011 hours (2.377E+010 days)

 Removal In Wastewater Treatment:
 Total removal: 10.58 percent
 Total biodegradation: 0.16 percent
 Total sludge adsorption: 10.41 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 5.94e-005 1.09 1000 
 Water 11.8 900 1000 
 Soil 87.5 1.8e+003 1000 
 Sediment 0.645 8.1e+003 0 
 Persistence Time: 1.83e+003 hr




 

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