2-Ethoxy-1,3,2-dioxaphospholane 2-oxide C4H9O4P structure

C4H9O4P structure
Molecular Formula C4H9O4P
Average mass 152.086 Da
Density 1.3±0.1 g/cm3
Boiling Point 179.7±7.0 °C at 760 mmHg
Flash Point 76.8±38.5 °C
Molar Refractivity 30.5±0.4 cm3
Polarizability 12.1±0.5 10-24cm3
Surface Tension 34.0±5.0 dyne/cm
Molar Volume 121.3±5.0 cm3

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

Density: 1.3±0.1 g/cm3
Boiling Point: 179.7±7.0 °C at 760 mmHg
Vapour Pressure: 1.3±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.9±3.0 kJ/mol
Flash Point: 76.8±38.5 °C
Index of Refraction: 1.417
Molar Refractivity: 30.5±0.4 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -0.20
ACD/LogD (pH 5.5): -0.19
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 18.66
ACD/LogD (pH 7.4): -0.19
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 18.66
Polar Surface Area: 55 Å2
Polarizability: 12.1±0.5 10-24cm3
Surface Tension: 34.0±5.0 dyne/cm
Molar Volume: 121.3±5.0 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) = -0.22

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 214.75 (Adapted Stein & Brown method)
 Melting Pt (deg C): 0.54 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.171 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1.151e+005
 log Kow used: -0.22 (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:
 Esters
 Esters (phosphate)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.46E-007 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.973E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -0.22 (KowWin est)
 Log Kaw used: -5.224 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.004
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9891
 Biowin2 (Non-Linear Model) : 1.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0168 (weeks )
 Biowin4 (Primary Survey Model) : 4.0937 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5037
 Biowin6 (MITI Non-Linear Model): 0.5468
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.0695
 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): 21.2 Pa (0.159 mm Hg)
 Log Koa (Koawin est ): 5.004
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.42E-007 
 Octanol/air (Koa) model: 2.48E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 5.11E-006 
 Mackay model : 1.13E-005 
 Octanol/air (Koa) model: 1.98E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 49.4593 E-12 cm3/molecule-sec
 Half-Life = 0.216 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.595 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 8.22E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 15.66
 Log Koc: 1.195 

 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: -0.22 (estimated)

 Volatilization from Water:
 Henry LC: 1.46E-007 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 4947 hours (206.1 days)
 Half-Life from Model Lake : 5.407E+004 hours (2253 days)

 Removal In Wastewater Treatment:
 Total removal: 1.86 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.76 percent
 Total to Air: 0.01 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.603 5.19 1000 
 Water 46.3 360 1000 
 Soil 53 720 1000 
 Sediment 0.0852 3.24e+003 0 
 Persistence Time: 366 hr




 

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