ChemSpider 2D Image | diethynylpyridine | C9H5N

diethynylpyridine

  • Molecular FormulaC9H5N
  • Average mass127.143 Da
  • Monoisotopic mass127.042198 Da
  • ChemSpider ID8805856

More details:

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

2,3-Diethinylpyridin [German] [ACD/IUPAC Name]
2,3-Diéthynylpyridine [French] [ACD/IUPAC Name]
diethynylpyridine
Pyridine, 2,3-diethynyl- [ACD/Index Name]
"2,3-DIETHYNYLPYRIDINE"|"2,3-DIETHYNYLPYRIDINE"
2,3-diethynylpyridine [ACD/IUPAC Name]
2,6-Diethynylpyridine [ACD/IUPAC Name]
216979-52-1 [RN]
75867-46-8 [RN]
MFCD28164156
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.1±0.1 g/cm3
Boiling Point: 226.4±25.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 44.4±3.0 kJ/mol
Flash Point: 89.4±15.8 °C
Index of Refraction: 1.570
Molar Refractivity: 38.7±0.4 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.09
ACD/LogD (pH 5.5): 1.20
ACD/BCF (pH 5.5): 4.78
ACD/KOC (pH 5.5): 106.63
ACD/LogD (pH 7.4): 1.20
ACD/BCF (pH 7.4): 4.78
ACD/KOC (pH 7.4): 106.64
Polar Surface Area: 13 Å2
Polarizability: 15.3±0.5 10-24cm3
Surface Tension: 51.8±5.0 dyne/cm
Molar Volume: 118.0±5.0 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) =  1.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  213.93  (Adapted Stein & Brown method)
    Melting Pt (deg C):  39.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.123  (Modified Grain method)
    Subcooled liquid VP: 0.165 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):  6791
       log Kow used: 1.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  11477 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.40E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.030E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.34  (KowWin est)
  Log Kaw used:  -4.857  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.197
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5324
   Biowin2 (Non-Linear Model)     :   0.3930
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7040  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6456  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3250
   Biowin6 (MITI Non-Linear Model):   0.2237
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.1909
 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):  22 Pa (0.165 mm Hg)
  Log Koa (Koawin est  ): 6.197
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.36E-007 
       Octanol/air (Koa) model:  3.86E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.93E-006 
       Mackay model           :  1.09E-005 
       Octanol/air (Koa) model:  3.09E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  14.0952 E-12 cm3/molecule-sec
      Half-Life =     0.759 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     9.106 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.072000 E-17 cm3/molecule-sec
      Half-Life =    15.917 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 7.92E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  330
      Log Koc:  2.518 

 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 = 0.330 (BCF = 2.14)
       log Kow used: 1.34 (estimated)

 Volatilization from Water:
    Henry LC:  3.4E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1943  hours   (80.95 days)
    Half-Life from Model Lake : 2.129E+004  hours   (887.1 days)

 Removal In Wastewater Treatment:
    Total removal:               1.95  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  percent
    Total to Air:                0.02  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.903           17.4         1000       
   Water     42.8            900          1000       
   Soil      56.2            1.8e+003     1000       
   Sediment  0.1             8.1e+003     0          
     Persistence Time: 702 hr

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