ChemSpider 2D Image | Cyanoacetic anhydride | C6H4N2O3

Cyanoacetic anhydride

  • Molecular FormulaC6H4N2O3
  • Average mass152.108 Da
  • Monoisotopic mass152.022186 Da
  • ChemSpider ID104467

More details:






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

70776-23-7 [RN]
Acetic acid, 2-cyano-, 1,1′-anhydride
Anhydride cyanoacétique [French] [ACD/IUPAC Name]
Cyanessigsäureanhydrid [German] [ACD/IUPAC Name]
Cyanoacetic anhydride [ACD/IUPAC Name]
2-Cyanoacetic anhydride
2-CYANOACETYL 2-CYANOACETATE
6696-68-0 [RN]
ACETIC ACID CYANO-,ANHYDRIDE
Acetic acid, cyano-, anhydride
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.3±0.1 g/cm3
Boiling Point: 310.7±27.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 55.2±3.0 kJ/mol
Flash Point: 134.8±13.9 °C
Index of Refraction: 1.460
Molar Refractivity: 31.5±0.3 cm3
#H bond acceptors: 5
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: -1.53
ACD/LogD (pH 5.5): -4.34
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -4.34
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 91 Å2
Polarizability: 12.5±0.5 10-24cm3
Surface Tension: 58.0±3.0 dyne/cm
Molar Volume: 114.9±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) =  -2.27

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  265.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  43.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00824  (Modified Grain method)
    Subcooled liquid VP: 0.0121 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -2.27 (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:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.14E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.649E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.27  (KowWin est)
  Log Kaw used:  -9.600  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.330
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2891
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6983  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4979  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5018
   Biowin6 (MITI Non-Linear Model):   0.3685
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8881
 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):  1.61 Pa (0.0121 mm Hg)
  Log Koa (Koawin est  ): 7.330
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.86E-006 
       Octanol/air (Koa) model:  5.25E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.72E-005 
       Mackay model           :  0.000149 
       Octanol/air (Koa) model:  0.00042 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.1100 E-12 cm3/molecule-sec
      Half-Life =    97.214 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000108 (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 :  2.506E+005  L/mol-sec
  Kb Half-Life at pH 8:       2.765  seconds
  Kb Half-Life at pH 7:      27.654  seconds

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -2.27 (estimated)

 Volatilization from Water:
    Henry LC:  6.14E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.176E+008  hours   (4.9E+006 days)
    Half-Life from Model Lake : 1.283E+009  hours   (5.346E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       8.61e-005       2.33e+003    1000       
   Water     46.5            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0892          8.1e+003     0          
     Persistence Time: 973 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -2.27

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  265.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  43.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00824  (Modified Grain method)
    Subcooled liquid VP: 0.0121 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -2.27 (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:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.14E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.649E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.27  (KowWin est)
  Log Kaw used:  -9.600  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.330
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2891
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6983  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4979  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5018
   Biowin6 (MITI Non-Linear Model):   0.3685
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8881
 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):  1.61 Pa (0.0121 mm Hg)
  Log Koa (Koawin est  ): 7.330
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.86E-006 
       Octanol/air (Koa) model:  5.25E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.72E-005 
       Mackay model           :  0.000149 
       Octanol/air (Koa) model:  0.00042 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.1100 E-12 cm3/molecule-sec
      Half-Life =    97.214 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000108 (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 :  2.506E+005  L/mol-sec
  Kb Half-Life at pH 8:       2.765  seconds
  Kb Half-Life at pH 7:      27.654  seconds

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -2.27 (estimated)

 Volatilization from Water:
    Henry LC:  6.14E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.176E+008  hours   (4.9E+006 days)
    Half-Life from Model Lake : 1.283E+009  hours   (5.346E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       8.61e-005       2.33e+003    1000       
   Water     46.5            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0892          8.1e+003     0          
     Persistence Time: 973 hr




                    

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