3,4,5-Triiodobenzoic acid C7H3I3O2 structure – Flashcards

Flashcard maker : Cara Robinson

C7H3I3O2 structure
Molecular Formula C7H3I3O2
Average mass 499.811 Da
Density 3.0±0.1 g/cm3
Boiling Point 446.3±45.0 °C at 760 mmHg
Flash Point 223.7±28.7 °C
Molar Refractivity 71.9±0.3 cm3
Polarizability 28.5±0.5 10-24cm3
Surface Tension 75.8±3.0 dyne/cm
Molar Volume 168.2±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      292.5 °C Jean-Claude Bradley Open Melting Point Dataset 18231

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

Density: 3.0±0.1 g/cm3
Boiling Point: 446.3±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 74.2±3.0 kJ/mol
Flash Point: 223.7±28.7 °C
Index of Refraction: 1.800
Molar Refractivity: 71.9±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 4.81
ACD/LogD (pH 5.5): 2.34
ACD/BCF (pH 5.5): 10.82
ACD/KOC (pH 5.5): 47.28
ACD/LogD (pH 7.4): 1.37
ACD/BCF (pH 7.4): 1.17
ACD/KOC (pH 7.4): 5.13
Polar Surface Area: 37 Å2
Polarizability: 28.5±0.5 10-24cm3
Surface Tension: 75.8±3.0 dyne/cm
Molar Volume: 168.2±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) = 5.38

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 415.77 (Adapted Stein & Brown method)
 Melting Pt (deg C): 162.13 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.64E-009 (Modified Grain method)
 MP (exp database): 292.5 deg C
 Subcooled liquid VP: 3.43E-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): 0.01841
 log Kow used: 5.38 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.089672 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 : 1.35E-009 atm-m3/mole
 Group Method: 1.44E-009 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.300E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 5.38 (KowWin est)
 Log Kaw used: -7.258 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 12.638
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -1.5894
 Biowin2 (Non-Linear Model) : 0.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.0477 (months )
 Biowin4 (Primary Survey Model) : 2.7532 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -1.5335
 Biowin6 (MITI Non-Linear Model): 0.0000
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.9108
 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): 0.000457 Pa (3.43E-006 mm Hg)
 Log Koa (Koawin est ): 12.638
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00656 
 Octanol/air (Koa) model: 1.07 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.192 
 Mackay model : 0.344 
 Octanol/air (Koa) model: 0.988 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.5964 E-12 cm3/molecule-sec
 Half-Life = 17.935 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.268 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 64.16
 Log Koc: 1.807 

 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 = 0.750 (BCF = 5.623)
 log Kow used: 5.38 (estimated)

 Volatilization from Water:
 Henry LC: 1.44E-009 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 9.09E+005 hours (3.787E+004 days)
 Half-Life from Model Lake : 9.916E+006 hours (4.132E+005 days)

 Removal In Wastewater Treatment:
 Total removal: 86.57 percent
 Total biodegradation: 0.74 percent
 Total sludge adsorption: 85.83 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 0.0459 430 1000 
 Water 4.63 1.44e+003 1000 
 Soil 64 2.88e+003 1000 
 Sediment 31.4 1.3e+004 0 
 Persistence Time: 3.99e+003 hr




 

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