ChemSpider 2D Image | methylphosphonicdifluorid | CH3F2OP


  • Molecular FormulaCH3F2OP
  • Average mass100.005 Da
  • Monoisotopic mass99.988960 Da
  • ChemSpider ID62813

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Difluorure méthylphosphonic
Difluorure méthylphosphonique [French] [ACD/IUPAC Name]
Methylphosphondifluorid [German] [ACD/IUPAC Name]
Methylphosphonic difluoride [ACD/IUPAC Name]
Phosphonic difluoride, P-methyl- [ACD/Index Name]
4-04-00-03508 [Beilstein]
676-99-3 [RN]

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

BRN 1739375 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 55.4±23.0 °C at 760 mmHg
Vapour Pressure: 249.6±0.1 mmHg at 25°C
Enthalpy of Vaporization: 28.6±3.0 kJ/mol
Flash Point: -12.7±22.6 °C
Index of Refraction: 1.276
Molar Refractivity: 13.9±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.27
ACD/LogD (pH 5.5): -0.13
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 20.26
ACD/LogD (pH 7.4): -0.13
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 20.26
Polar Surface Area: 27 Å2
Polarizability: 5.5±0.5 10-24cm3
Surface Tension: 17.2±3.0 dyne/cm
Molar Volume: 80.1±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) =  -0.75

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  59.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -108.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  200  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5.149e+005
       log Kow used: -0.75 (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:
       Acid Chloride/Halide

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.17E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.111E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.75  (KowWin est)
  Log Kaw used:  -3.052  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.302
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6999
   Biowin2 (Non-Linear Model)     :   0.8304
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9782  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7035  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4498
   Biowin6 (MITI Non-Linear Model):   0.0002
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7565
 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):  2.63E+004 Pa (197 mm Hg)
  Log Koa (Koawin est  ): 2.302
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.14E-010 
       Octanol/air (Koa) model:  4.92E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.13E-009 
       Mackay model           :  9.14E-009 
       Octanol/air (Koa) model:  3.94E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.1360 E-12 cm3/molecule-sec
      Half-Life =    78.647 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 6.63E-009 (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: -0.75 (estimated)

 Volatilization from Water:
    Henry LC:  2.17E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:         28  hours   (1.167 days)
    Half-Life from Model Lake :      389.3  hours   (16.22 days)

 Removal In Wastewater Treatment:
    Total removal:               3.02  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.74  percent
    Total to Air:                1.19  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       11.5            1.89e+003    1000       
   Water     44.4            360          1000       
   Soil      43.9            720          1000       
   Sediment  0.0814          3.24e+003    0          
     Persistence Time: 343 hr


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