VG (nerve agent) C10H24NO3PS structure – Flashcards

Flashcard maker : Michael Seabolt

Molecular Formula C10H24NO3PS
Average mass 269.341 Da
Density 1.1±0.1 g/cm3
Boiling Point 315.1±44.0 °C at 760 mmHg
Flash Point 144.3±28.4 °C
Molar Refractivity 70.5±0.3 cm3
Polarizability 27.9±0.5 10-24cm3
Surface Tension 36.3±3.0 dyne/cm
Molar Volume 251.7±3.0 cm3
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon

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

Density: 1.1±0.1 g/cm3
Boiling Point: 315.1±44.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 55.6±3.0 kJ/mol
Flash Point: 144.3±28.4 °C
Index of Refraction: 1.472
Molar Refractivity: 70.5±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 10
#Rule of 5 Violations: 0
ACD/LogP: 2.51
ACD/LogD (pH 5.5): -0.95
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): 0.11
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 3.49
Polar Surface Area: 74 Å2
Polarizability: 27.9±0.5 10-24cm3
Surface Tension: 36.3±3.0 dyne/cm
Molar Volume: 251.7±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) = 1.70

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 337.07 (Adapted Stein & Brown method)
 Melting Pt (deg C): 78.71 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.000267 (Modified Grain method)
 MP (exp database): < 25 deg C
 BP (exp database): 110 @ 0.2 mm Hg deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 6591
 log Kow used: 1.70 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 46773 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.80E-010 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.436E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.70 (KowWin est)
 Log Kaw used: -7.941 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 9.641
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7280
 Biowin2 (Non-Linear Model) : 1.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5029 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.6365 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.2789
 Biowin6 (MITI Non-Linear Model): 0.0908
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.1259
 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): 0.0356 Pa (0.000267 mm Hg)
 Log Koa (Koawin est ): 9.641
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 8.43E-005 
 Octanol/air (Koa) model: 0.00107 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.00303 
 Mackay model : 0.0067 
 Octanol/air (Koa) model: 0.0791 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 156.5704 E-12 cm3/molecule-sec
 Half-Life = 0.068 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.820 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.00487 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 941.6
 Log Koc: 2.974 

 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 = 0.611 (BCF = 4.088)
 log Kow used: 1.70 (estimated)

 Volatilization from Water:
 Henry LC: 2.8E-010 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 3.432E+006 hours (1.43E+005 days)
 Half-Life from Model Lake : 3.744E+007 hours (1.56E+006 days)

 Removal In Wastewater Treatment:
 Total removal: 2.05 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.95 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 0.00292 1.64 1000 
 Water 29.1 900 1000 
 Soil 70.8 1.8e+003 1000 
 Sediment 0.084 8.1e+003 0 
 Persistence Time: 1.25e+003 hr




 

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