2-Amino-4-pentynoic acid C5H7NO2 structure

C5H7NO2 structure
Molecular Formula C5H7NO2
Average mass 113.115 Da
Density 1.2±0.1 g/cm3
Boiling Point 272.1±35.0 °C at 760 mmHg
Flash Point 118.3±25.9 °C
Molar Refractivity 28.1±0.3 cm3
Polarizability 11.1±0.5 10-24cm3
Surface Tension 58.2±3.0 dyne/cm
Molar Volume 93.5±3.0 cm3

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

Density: 1.2±0.1 g/cm3
Boiling Point: 272.1±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 56.2±6.0 kJ/mol
Flash Point: 118.3±25.9 °C
Index of Refraction: 1.513
Molar Refractivity: 28.1±0.3 cm3
#H bond acceptors: 3
#H bond donors: 3
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: -0.03
ACD/LogD (pH 5.5): -2.48
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.51
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 63 Å2
Polarizability: 11.1±0.5 10-24cm3
Surface Tension: 58.2±3.0 dyne/cm
Molar Volume: 93.5±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) = -2.78
 Log Kow (Exper. database match) = -1.80
 Exper. Ref: BioByte (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 407.56 (Adapted Stein & Brown method)
 Melting Pt (deg C): 293.46 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 5.61E-009 (Modified Grain method)
 Subcooled liquid VP: 5.44E-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): 3.113e+004
 log Kow used: -1.80 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 93312 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.26E-010 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.682E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -1.80 (exp database)
 Log Kaw used: -7.875 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 6.075
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9202
 Biowin2 (Non-Linear Model) : 0.9591
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.3382 (days-weeks )
 Biowin4 (Primary Survey Model) : 4.1134 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5888
 Biowin6 (MITI Non-Linear Model): 0.6082
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.0603
 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): 0.000725 Pa (5.44E-006 mm Hg)
 Log Koa (Koawin est ): 6.075
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00414 
 Octanol/air (Koa) model: 2.92E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.13 
 Mackay model : 0.249 
 Octanol/air (Koa) model: 2.33E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 46.3126 E-12 cm3/molecule-sec
 Half-Life = 0.231 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.771 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 0.003000 E-17 cm3/molecule-sec
 Half-Life = 382.000 Days (at 7E11 mol/cm3)
 Fraction sorbed to airborne particulates (phi): 0.189 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 5.073
 Log Koc: 0.705 

 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: -1.80 (expkow database)

 Volatilization from Water:
 Henry LC: 3.26E-010 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.91E+006 hours (7.959E+004 days)
 Half-Life from Model Lake : 2.084E+007 hours (8.683E+005 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.75 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 0.0153 5.54 1000 
 Water 34.6 208 1000 
 Soil 65.3 416 1000 
 Sediment 0.0598 1.87e+003 0 
 Persistence Time: 384 hr




 

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