Inherent Properties, Identifiers and References
ChemSpider ID: 144265
Empirical Formula: C14H8N2
Molecular Weight: 204.2267
Nominal Mass: 204 Da
Average Mass: 204.2267 Da
Monoisotopic Mass: 204.068748 Da
Quick Links: Permalink Similar Isomers
Systematic Name:
SMILES: n1c3c(ncc1)c2cccc4c2c3ccc4
InChI: InChI=1/C14H8N2/c1-3-9-4-2-6-11-12(9)10(5-1)13-14(11)16-8-7-15-13​/h1-8H
InChIKey: UEZUVIWRSYLYSJ-UHFFFAOYAO
(Details...) Original Reference(s)
Data Source External ID(s)
Molbank Molbank 2004 Page M386
Disclaimer (Details...) Supplemental Information
(Details...) Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

Acenaphth​o(1,2-b)p​yrazine

206-52-0 [RN]

acenaphth​o[1,2-b]p​yrazine

(Details...) Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

ZINC03851​890

(Details...) Predicted Properties
LogP: ACD/LogP: 3.02
XLogP: 3.30
# of Rule of 5 Violations: 0
ACD/LogD (pH 5.5): 3.02 ACD/LogD (pH 7.4): 3.02
ACD/BCF (pH 5.5): 116 ACD/BCF (pH 7.4): 116
ACD/KOC (pH 5.5): 1045.53 ACD/KOC (pH 7.4): 1045.56
#H bond acceptors: 2 #H bond donors: 0
#Freely Rotating Bonds: 0 Polar Surface Area: 25.78 Å2
Index of Refraction: 1.892 Molar Refractivity: 68.64 cm3
Molar Volume: 148.4 cm3 Polarizability: 27.21 10-24cm3
Surface Tension: 75.8 dyne/cm Density: 1.375 g/cm3
Flash Point: 176 °C Enthalpy of Vaporization: 61.45 kJ/mol
Boiling Point: 390.1 °C at 760 mmHg Vapour Pressure: 6.12E-06 mmHg at 25°C
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  382.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  142.51  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.41E-006  (Modified Grain method)
    Subcooled liquid VP: 2.18E-005 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):  11.21
       log Kow used: 2.88 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  36.161 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.50E-009  atm-m3/mole
   Group Method:   5.11E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.380E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.88  (KowWin est)
  Log Kaw used:  -6.735  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.615
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.0070
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9485  (months      )
   Biowin4 (Primary Survey Model) :   2.8508  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1703
   Biowin6 (MITI Non-Linear Model):   0.0825
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0726
 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):  0.00291 Pa (2.18E-005 mm Hg)
  Log Koa (Koawin est  ): 9.615
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00103 
       Octanol/air (Koa) model:  0.00101 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0359 
       Mackay model           :  0.0763 
       Octanol/air (Koa) model:  0.0749 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  27.0928 E-12 cm3/molecule-sec
      Half-Life =     0.395 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.737 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0561 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7680
      Log Koc:  3.885 

 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 = 1.518 (BCF = 32.94)
       log Kow used: 2.88 (estimated)

 Volatilization from Water:
    Henry LC:  4.5E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.859E+005  hours   (7747 days)
    Half-Life from Model Lake : 2.029E+006  hours   (8.452E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               4.79  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.67  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       0.0223          9.48         1000       
   Water     11.8            1.44e+003    1000       
   Soil      87.9            2.88e+003    1000       
   Sediment  0.224           1.3e+004     0          
     Persistence Time: 2.47e+003 hr