1,2-Difluorocyclohexane C6H10F2 structure

C6H10F2 structure
Molecular Formula C6H10F2
Average mass 120.140 Da
Density 1.0±0.1 g/cm3
Boiling Point 109.4±23.0 °C at 760 mmHg
Flash Point 12.1±10.5 °C
Molar Refractivity 28.0±0.4 cm3
Polarizability 11.1±0.5 10-24cm3
Surface Tension 19.9±5.0 dyne/cm
Molar Volume 120.7±5.0 cm3

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

Density: 1.0±0.1 g/cm3
Boiling Point: 109.4±23.0 °C at 760 mmHg
Vapour Pressure: 29.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 33.4±3.0 kJ/mol
Flash Point: 12.1±10.5 °C
Index of Refraction: 1.380
Molar Refractivity: 28.0±0.4 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.89
ACD/LogD (pH 5.5): 2.03
ACD/BCF (pH 5.5): 20.43
ACD/KOC (pH 5.5): 301.62
ACD/LogD (pH 7.4): 2.03
ACD/BCF (pH 7.4): 20.43
ACD/KOC (pH 7.4): 301.62
Polar Surface Area: 0 Å2
Polarizability: 11.1±0.5 10-24cm3
Surface Tension: 19.9±5.0 dyne/cm
Molar Volume: 120.7±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) = 2.91

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 80.28 (Adapted Stein & Brown method)
 Melting Pt (deg C): -89.12 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 95.5 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 59.42
 log Kow used: 2.91 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 429.07 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 5.30E-001 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.541E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.91 (KowWin est)
 Log Kaw used: 1.336 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 1.574
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6903
 Biowin2 (Non-Linear Model) : 0.7863
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9337 (weeks )
 Biowin4 (Primary Survey Model) : 3.6744 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4933
 Biowin6 (MITI Non-Linear Model): 0.0003
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4349
 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): 1.23E+004 Pa (92.6 mm Hg)
 Log Koa (Koawin est ): 1.574
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.43E-010 
 Octanol/air (Koa) model: 9.2E-012 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 8.78E-009 
 Mackay model : 1.94E-008 
 Octanol/air (Koa) model: 7.36E-010 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 3.4028 E-12 cm3/molecule-sec
 Half-Life = 3.143 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 37.719 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.41E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 443.1
 Log Koc: 2.646 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 8.119E-015 L/mol-sec
 Kb Half-Life at pH 8: 2.705E+012 years 
 Kb Half-Life at pH 7: 2.705E+013 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.541 (BCF = 34.73)
 log Kow used: 2.91 (estimated)

 Volatilization from Water:
 Henry LC: 0.53 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.12 hours
 Half-Life from Model Lake : 104.1 hours (4.338 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 99.52 percent
 Total biodegradation: 0.02 percent
 Total sludge adsorption: 2.12 percent
 Total to Air: 97.38 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 39.9 75.4 1000 
 Water 57.5 360 1000 
 Soil 1.82 720 1000 
 Sediment 0.814 3.24e+003 0 
 Persistence Time: 107 hr


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