Methanolamine CH5NO structure – Flashcards

Flashcard maker : Marguerite Castillo

Molecular Formula CH5NO
Average mass 47.056 Da
Density 1.0±0.1 g/cm3
Boiling Point 129.8±23.0 °C at 760 mmHg
Flash Point 32.3±22.6 °C
Molar Refractivity 11.8±0.3 cm3
Polarizability 4.7±0.5 10-24cm3
Surface Tension 42.0±3.0 dyne/cm
Molar Volume 46.2±3.0 cm3
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon

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

Density: 1.0±0.1 g/cm3
Boiling Point: 129.8±23.0 °C at 760 mmHg
Vapour Pressure: 4.5±0.5 mmHg at 25°C
Enthalpy of Vaporization: 42.8±6.0 kJ/mol
Flash Point: 32.3±22.6 °C
Index of Refraction: 1.422
Molar Refractivity: 11.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 3
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.46
ACD/LogD (pH 5.5): -4.57
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -3.47
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 46 Å2
Polarizability: 4.7±0.5 10-24cm3
Surface Tension: 42.0±3.0 dyne/cm
Molar Volume: 46.2±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) = -2.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 105.67 (Adapted Stein & Brown method)
 Melting Pt (deg C): -40.01 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 14.9 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1e+006
 log Kow used: -2.10 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 5.53E-009 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 9.226E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -2.10 (KowWin est)
 Log Kaw used: -6.646 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.546
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0377
 Biowin2 (Non-Linear Model) : 0.9897
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.2796 (days-weeks )
 Biowin4 (Primary Survey Model) : 3.9526 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.8160
 Biowin6 (MITI Non-Linear Model): 0.9102
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.1721
 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): 1.85E+003 Pa (13.9 mm Hg)
 Log Koa (Koawin est ): 4.546
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.62E-009 
 Octanol/air (Koa) model: 8.63E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 5.85E-008 
 Mackay model : 1.29E-007 
 Octanol/air (Koa) model: 6.9E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 51.5417 E-12 cm3/molecule-sec
 Half-Life = 0.208 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.490 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 9.4E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 1
 Log Koc: 0.000 

 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: -2.10 (estimated)

 Volatilization from Water:
 Henry LC: 5.53E-009 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 7.263E+004 hours (3026 days)
 Half-Life from Model Lake : 7.924E+005 hours (3.302E+004 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 0.162 4.98 1000 
 Water 36 208 1000 
 Soil 63.8 416 1000 
 Sediment 0.0622 1.87e+003 0 
 Persistence Time: 349 hr




 

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