Benzohydroxamic acid C7H7NO2 structure

C7H7NO2 structure
Molecular Formula C7H7NO2
Average mass 137.136 Da
Density 1.2±0.1 g/cm3
Boiling Point
Flash Point
Molar Refractivity 36.8±0.3 cm3
Polarizability 14.6±0.5 10-24cm3
Surface Tension 51.9±3.0 dyne/cm
Molar Volume 110.8±3.0 cm3

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

Density: 1.2±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.578
Molar Refractivity: 36.8±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.26
ACD/LogD (pH 5.5): 0.44
ACD/BCF (pH 5.5): 1.27
ACD/KOC (pH 5.5): 41.26
ACD/LogD (pH 7.4): 0.43
ACD/BCF (pH 7.4): 1.23
ACD/KOC (pH 7.4): 40.00
Polar Surface Area: 49 Å2
Polarizability: 14.6±0.5 10-24cm3
Surface Tension: 51.9±3.0 dyne/cm
Molar Volume: 110.8±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) = 0.61
 Log Kow (Exper. database match) = 0.26
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 346.32 (Adapted Stein & Brown method)
 Melting Pt (deg C): 115.53 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 6.22E-007 (Modified Grain method)
 MP (exp database): 128 deg C
 Subcooled liquid VP: 6.65E-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): 5.161e+004
 log Kow used: 0.26 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 71346 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.44E-012 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.175E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.26 (exp database)
 Log Kaw used: -9.741 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 10.001
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8103
 Biowin2 (Non-Linear Model) : 0.9459
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9181 (weeks )
 Biowin4 (Primary Survey Model) : 3.6548 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3452
 Biowin6 (MITI Non-Linear Model): 0.3031
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.5771
 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): 0.000887 Pa (6.65E-006 mm Hg)
 Log Koa (Koawin est ): 10.001
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00338 
 Octanol/air (Koa) model: 0.00246 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.109 
 Mackay model : 0.213 
 Octanol/air (Koa) model: 0.164 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 7.2775 E-12 cm3/molecule-sec
 Half-Life = 1.470 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 17.637 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.161 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 99.63
 Log Koc: 1.998 

 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: 0.26 (expkow database)

 Volatilization from Water:
 Henry LC: 4.44E-012 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.544E+008 hours (6.434E+006 days)
 Half-Life from Model Lake : 1.685E+009 hours (7.019E+007 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.76 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 0.000123 35.3 1000 
 Water 38.1 360 1000 
 Soil 61.9 720 1000 
 Sediment 0.0708 3.24e+003 0 
 Persistence Time: 585 hr




 

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