PLANNED MAINTENANCE

There will be scheduled maintenance work beginning on Wednesday 26th February 2020 from 11:00 AM through to 12.00 PM (GMT).

During this time, you may not be able to log into ChemSpider. We apologise for any inconvenience this might cause and thank you for your patience.


ChemSpider 2D Image | Phthalohydrazide | C8H10N4O2

Phthalohydrazide

  • Molecular FormulaC8H10N4O2
  • Average mass194.191 Da
  • Monoisotopic mass194.080383 Da
  • ChemSpider ID9542473

More details:






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

1,2-Benzenedicarbohydrazonic acid [ACD/Index Name] [ACD/IUPAC Name]
1,2-Benzenedicarboxylic acid, dihydrazide [ACD/Index Name]
Benzene-1,2-dicarbohydrazide
Benzol-1,2-dicarbohydrazid
Phtalohydrazide [French] [ACD/IUPAC Name]
Phthalhydrazide (VAN)
Phthalohydrazid [German] [ACD/IUPAC Name]
Phthalohydrazide [ACD/IUPAC Name]
1,2-Benzenedicarboxylic acid, monohydrazide [ACD/Index Name]
1445-69-8 [RN]
More...

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

Density: 1.3±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.629
Molar Refractivity: 51.3±0.3 cm3
#H bond acceptors: 6
#H bond donors: 6
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: -2.28
ACD/LogD (pH 5.5): -1.93
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 2.11
ACD/LogD (pH 7.4): -1.93
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 2.12
Polar Surface Area: 110 Å2
Polarizability: 20.3±0.5 10-24cm3
Surface Tension: 66.2±3.0 dyne/cm
Molar Volume: 144.5±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) =  -2.71

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  463.71  (Adapted Stein & Brown method)
    Melting Pt (deg C):  195.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.59E-009  (Modified Grain method)
    Subcooled liquid VP: 2.24E-007 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):  4.763e+005
       log Kow used: -2.71 (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:
       Hydrazines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.52E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.926E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -2.71  (KowWin est)
  Log Kaw used:  -14.987  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.277
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6551
   Biowin2 (Non-Linear Model)     :   0.5625
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7700  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5676  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2057
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4544
 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):  2.99E-005 Pa (2.24E-007 mm Hg)
  Log Koa (Koawin est  ): 12.277
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.1 
       Octanol/air (Koa) model:  0.465 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.784 
       Mackay model           :  0.889 
       Octanol/air (Koa) model:  0.974 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  11.7492 E-12 cm3/molecule-sec
      Half-Life =     0.910 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    10.924 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.837 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  61.24
      Log Koc:  1.787 

 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: -2.71 (estimated)

 Volatilization from Water:
    Henry LC:  2.52E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.238E+013  hours   (1.349E+012 days)
    Half-Life from Model Lake : 3.532E+014  hours   (1.472E+013 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       3.65e-009       21.8         1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr




                    

Click to predict properties on the Chemicalize site






Advertisement