ChemSpider 2D Image | Diethyl methylenemalonate | C8H12O4

Diethyl methylenemalonate

  • Molecular FormulaC8H12O4
  • Average mass172.178 Da
  • Monoisotopic mass172.073563 Da
  • ChemSpider ID85830

More details:

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

1,3-Diethyl 2-methylenepropanedioate
3377-20-6 [RN]
diethyl 2-methylenemalonate
Diethyl methylenemalonate [ACD/IUPAC Name]
Diethyl-methylenmalonat [German] [ACD/IUPAC Name]
Méthylènemalonate de diéthyle [French] [ACD/IUPAC Name]
Propanedioic acid, 2-methylene-, diethyl ester [ACD/Index Name]
[3377-20-6] [RN]
1,1-Dicarbethoxyethene
1,3-DIETHYL 2-METHYLIDENEPROPANEDIOATE
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

AI3-10018 [DBID]
BRN 1723773 [DBID]
CCRIS 4693 [DBID]
NCI60_001575 [DBID]
NSC18901 [DBID]

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.1±0.1 g/cm3
    Boiling Point: 174.4±13.0 °C at 760 mmHg
    Vapour Pressure: 1.2±0.3 mmHg at 25°C
    Enthalpy of Vaporization: 41.1±3.0 kJ/mol
    Flash Point: 73.0±18.2 °C
    Index of Refraction: 1.433
    Molar Refractivity: 42.2±0.3 cm3
    #H bond acceptors: 4
    #H bond donors: 0
    #Freely Rotating Bonds: 6
    #Rule of 5 Violations: 0
    ACD/LogP: 1.71
    ACD/LogD (pH 5.5): 1.68
    ACD/BCF (pH 5.5): 11.21
    ACD/KOC (pH 5.5): 196.26
    ACD/LogD (pH 7.4): 1.68
    ACD/BCF (pH 7.4): 11.21
    ACD/KOC (pH 7.4): 196.26
    Polar Surface Area: 53 Å2
    Polarizability: 16.7±0.5 10-24cm3
    Surface Tension: 31.6±3.0 dyne/cm
    Molar Volume: 162.4±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) =  1.31

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  179.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -81.49  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.976  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  4597
       log Kow used: 1.31 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  11930 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.44E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.810E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.31  (KowWin est)
  Log Kaw used:  -5.001  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.311
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0139
   Biowin2 (Non-Linear Model)     :   0.9998
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0991  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0572  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9994
   Biowin6 (MITI Non-Linear Model):   0.9678
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9256
 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):  118 Pa (0.887 mm Hg)
  Log Koa (Koawin est  ): 6.311
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.54E-008 
       Octanol/air (Koa) model:  5.02E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.16E-007 
       Mackay model           :  2.03E-006 
       Octanol/air (Koa) model:  4.02E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.6199 E-12 cm3/molecule-sec
      Half-Life =     1.112 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.342 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 1.47E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.427E-003  L/mol-sec
  Kb Half-Life at pH 8:       3.417  years  
  Kb Half-Life at pH 7:      34.171  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.306 (BCF = 2.024)
       log Kow used: 1.31 (estimated)

 Volatilization from Water:
    Henry LC:  2.44E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       3150  hours   (131.2 days)
    Half-Life from Model Lake : 3.447E+004  hours   (1436 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  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       1.61            22.8         1000       
   Water     37.8            360          1000       
   Soil      60.6            720          1000       
   Sediment  0.0824          3.24e+003    0          
     Persistence Time: 428 hr

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