Picolinic acid C6H5NO2 structure

C6H5NO2 structure
Molecular Formula C6H5NO2
Average mass 123.109 Da
Density 1.3±0.1 g/cm3
Boiling Point 292.5±13.0 °C at 760 mmHg
Flash Point 130.7±19.8 °C
Molar Refractivity 31.3±0.3 cm3
Polarizability 12.4±0.5 10-24cm3
Surface Tension 58.8±3.0 dyne/cm
Molar Volume 95.2±3.0 cm3

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

Density: 1.3±0.1 g/cm3
Boiling Point: 292.5±13.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 56.2±3.0 kJ/mol
Flash Point: 130.7±19.8 °C
Index of Refraction: 1.571
Molar Refractivity: 31.3±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -0.10
ACD/LogD (pH 5.5): -1.49
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.64
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 50 Å2
Polarizability: 12.4±0.5 10-24cm3
Surface Tension: 58.8±3.0 dyne/cm
Molar Volume: 95.2±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) = 0.69
 Log Kow (Exper. database match) = 0.72
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 257.62 (Adapted Stein & Brown method)
 Melting Pt (deg C): 63.27 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.00136 (Modified Grain method)
 MP (exp database): 136.5 deg C
 Subcooled liquid VP: 0.018 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): 2.372e+004
 log Kow used: 0.72 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2.7444e+005 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 : 1.42E-010 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 9.288E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.72 (exp database)
 Log Kaw used: -8.236 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 8.956
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7112
 Biowin2 (Non-Linear Model) : 0.8854
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8008 (weeks )
 Biowin4 (Primary Survey Model) : 3.6591 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.7222
 Biowin6 (MITI Non-Linear Model): 0.8080
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.3610
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 2.4 Pa (0.018 mm Hg)
 Log Koa (Koawin est ): 8.956
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.25E-006 
 Octanol/air (Koa) model: 0.000222 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.51E-005 
 Mackay model : 0.0001 
 Octanol/air (Koa) model: 0.0174 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.6570 E-12 cm3/molecule-sec
 Half-Life = 16.280 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 7.26E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 14.49
 Log Koc: 1.161 

 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: 0.72 (expkow database)

 Volatilization from Water:
 Henry LC: 1.42E-010 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 4.575E+006 hours (1.906E+005 days)
 Half-Life from Model Lake : 4.991E+007 hours (2.079E+006 days)

 Removal In Wastewater Treatment:
 Total removal: 1.87 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.78 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 0.00325 391 1000 
 Water 36.5 360 1000 
 Soil 63.5 720 1000 
 Sediment 0.07 3.24e+003 0 
 Persistence Time: 596 hr




 

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