ChemSpider 2D Image | Ethyl (4-amino-1,2,5-oxadiazol-3-yl)carbamate | C5H8N4O3

Ethyl (4-amino-1,2,5-oxadiazol-3-yl)carbamate

  • Molecular FormulaC5H8N4O3
  • Average mass172.142 Da
  • Monoisotopic mass172.059647 Da
  • ChemSpider ID3957115

More details:

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

(4-Amino-1,2,5-oxadiazol-3-yl)carbamate d'éthyle [French] [ACD/IUPAC Name]
Carbamic acid, N-(4-amino-1,2,5-oxadiazol-3-yl)-, ethyl ester [ACD/Index Name]
Ethyl (4-amino-1,2,5-oxadiazol-3-yl)carbamate [ACD/IUPAC Name]
Ethyl-(4-amino-1,2,5-oxadiazol-3-yl)carbamat [German] [ACD/IUPAC Name]
(4-Amino-furazan-3-yl)-carbamic acid ethyl ester
328275-05-4 [RN]
ethyl 4-amino-1,2,5-oxadiazol-3-ylcarbamate
MFCD00465035
N-(4-amino(1,2,5-oxadiazol-3-yl))ethoxycarboxamide

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

Density: 1.5±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.593
Molar Refractivity: 39.6±0.3 cm3
#H bond acceptors: 7
#H bond donors: 3
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 0.55
ACD/LogD (pH 5.5): 0.43
ACD/BCF (pH 5.5): 1.26
ACD/KOC (pH 5.5): 40.98
ACD/LogD (pH 7.4): 0.43
ACD/BCF (pH 7.4): 1.26
ACD/KOC (pH 7.4): 40.98
Polar Surface Area: 103 Å2
Polarizability: 15.7±0.5 10-24cm3
Surface Tension: 70.3±3.0 dyne/cm
Molar Volume: 116.9±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) =  0.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  296.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  100.02  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00044  (Modified Grain method)
    Subcooled liquid VP: 0.00237 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):  1.606e+004
       log Kow used: 0.67 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.3622e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aromatic Amines
       Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.60E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.205E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.67  (KowWin est)
  Log Kaw used:  -10.832  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.502
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5114
   Biowin2 (Non-Linear Model)     :   0.4174
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6371  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6846  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0487
   Biowin6 (MITI Non-Linear Model):   0.0572
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5047
 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):  0.316 Pa (0.00237 mm Hg)
  Log Koa (Koawin est  ): 11.502
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.49E-006 
       Octanol/air (Koa) model:  0.078 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000343 
       Mackay model           :  0.000759 
       Octanol/air (Koa) model:  0.862 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.6505 E-12 cm3/molecule-sec
      Half-Life =     1.236 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    14.838 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000551 (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 :  2.616E-004  L/mol-sec
  Kb Half-Life at pH 8:      83.944  years  
  Kb Half-Life at pH 7:     839.445  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.67 (estimated)

 Volatilization from Water:
    Henry LC:  3.6E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.134E+009  hours   (8.891E+007 days)
    Half-Life from Model Lake : 2.328E+010  hours   (9.699E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       4.85e-006       29.7         1000       
   Water     43.5            900          1000       
   Soil      56.4            1.8e+003     1000       
   Sediment  0.0873          8.1e+003     0          
     Persistence Time: 1.01e+003 hr

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