Porphine C20H12N4 structure – Flashcards

Flashcard maker : Jamie Hutchinson

Molecular Formula C20H12N4
Average mass 308.336 Da
Density 1.3±0.1 g/cm3
Boiling Point 558.5±50.0 °C at 760 mmHg
Flash Point 284.9±30.9 °C
Molar Refractivity 94.2±0.5 cm3
Polarizability 37.3±0.5 10-24cm3
Surface Tension 56.1±7.0 dyne/cm
Molar Volume 230.8±7.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      360 °C Jean-Claude Bradley Open Melting Point Dataset 26250

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

Density: 1.3±0.1 g/cm3
Boiling Point: 558.5±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 80.9±3.0 kJ/mol
Flash Point: 284.9±30.9 °C
Index of Refraction: 1.752
Molar Refractivity: 94.2±0.5 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.19
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 49 Å2
Polarizability: 37.3±0.5 10-24cm3
Surface Tension: 56.1±7.0 dyne/cm
Molar Volume: 230.8±7.0 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) = 10.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 457.12 (Adapted Stein & Brown method)
 Melting Pt (deg C): 192.57 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 5.69E-009 (Modified Grain method)
 Subcooled liquid VP: 3.27E-007 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): 1.929e-005
 log Kow used: 10.25 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 4.9897e-005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.87E-006 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.197E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 10.25 (KowWin est)
 Log Kaw used: -3.701 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 13.951
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6008
 Biowin2 (Non-Linear Model) : 0.2027
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5178 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4029 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.1309
 Biowin6 (MITI Non-Linear Model): 0.0024
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.0462
 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): 4.36E-005 Pa (3.27E-007 mm Hg)
 Log Koa (Koawin est ): 13.951
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.0688 
 Octanol/air (Koa) model: 21.9 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.713 
 Mackay model : 0.846 
 Octanol/air (Koa) model: 0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 456.0000 E-12 cm3/molecule-sec
 Half-Life = 0.023 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 16.888 Min
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 3.240000 E-17 cm3/molecule-sec
 Half-Life = 0.354 Days (at 7E11 mol/cm3)
 Half-Life = 8.489 Hrs
 Fraction sorbed to airborne particulates (phi): 0.78 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 7.881E+006
 Log Koc: 6.897 

 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: 10.25 (estimated)

 Volatilization from Water:
 Henry LC: 4.87E-006 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 212.9 hours (8.871 days)
 Half-Life from Model Lake : 2470 hours (102.9 days)

 Removal In Wastewater Treatment:
 Total removal: 94.04 percent
 Total biodegradation: 0.78 percent
 Total sludge adsorption: 93.26 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 0.00796 0.528 1000 
 Water 1.9 900 1000 
 Soil 28.2 1.8e+003 1000 
 Sediment 69.9 8.1e+003 0 
 Persistence Time: 3.11e+003 hr




 

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