1,5-Dimethoxypentane C7H16O2 structure

C7H16O2 structure
Molecular Formula C7H16O2
Average mass 132.201 Da
Density 0.8±0.1 g/cm3
Boiling Point 146.3±8.0 °C at 760 mmHg
Flash Point 26.6±11.8 °C
Molar Refractivity 38.0±0.3 cm3
Polarizability 15.1±0.5 10-24cm3
Surface Tension 24.8±3.0 dyne/cm
Molar Volume 156.8±3.0 cm3

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

Density: 0.8±0.1 g/cm3
Boiling Point: 146.3±8.0 °C at 760 mmHg
Vapour Pressure: 5.9±0.3 mmHg at 25°C
Enthalpy of Vaporization: 36.8±3.0 kJ/mol
Flash Point: 26.6±11.8 °C
Index of Refraction: 1.399
Molar Refractivity: 38.0±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 0.68
ACD/LogD (pH 5.5): 1.07
ACD/BCF (pH 5.5): 3.85
ACD/KOC (pH 5.5): 91.32
ACD/LogD (pH 7.4): 1.07
ACD/BCF (pH 7.4): 3.85
ACD/KOC (pH 7.4): 91.32
Polar Surface Area: 18 Å2
Polarizability: 15.1±0.5 10-24cm3
Surface Tension: 24.8±3.0 dyne/cm
Molar Volume: 156.8±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) = 1.27

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 144.42 (Adapted Stein & Brown method)
 Melting Pt (deg C): -44.69 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 6.56 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 7477
 log Kow used: 1.27 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 39086 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.13E-005 atm-m3/mole
 Group Method: 3.01E-006 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.526E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.27 (KowWin est)
 Log Kaw used: -2.893 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.163
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -0.0101
 Biowin2 (Non-Linear Model) : 0.0032
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8897 (weeks )
 Biowin4 (Primary Survey Model) : 3.6375 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5697
 Biowin6 (MITI Non-Linear Model): 0.6640
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.2924
 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): 807 Pa (6.05 mm Hg)
 Log Koa (Koawin est ): 4.163
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 3.72E-009 
 Octanol/air (Koa) model: 3.57E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.34E-007 
 Mackay model : 2.98E-007 
 Octanol/air (Koa) model: 2.86E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 25.1296 E-12 cm3/molecule-sec
 Half-Life = 0.426 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 5.108 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 2.16E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2.767
 Log Koc: 0.442 

 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 = 0.275 (BCF = 1.883)
 log Kow used: 1.27 (estimated)

 Volatilization from Water:
 Henry LC: 3.01E-006 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 224.8 hours (9.368 days)
 Half-Life from Model Lake : 2549 hours (106.2 days)

 Removal In Wastewater Treatment:
 Total removal: 2.09 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.83 percent
 Total to Air: 0.17 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.26 10.2 1000 
 Water 41.2 360 1000 
 Soil 57.5 720 1000 
 Sediment 0.0886 3.24e+003 0 
 Persistence Time: 365 hr




 

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