ChemSpider 2D Image | 1,2-dimethylcyclopropane | C5H10

1,2-dimethylcyclopropane

  • Molecular FormulaC5H10
  • Average mass70.133 Da
  • Monoisotopic mass70.078247 Da
  • ChemSpider ID92890

More details:

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

1,2-Dimethylcyclopropan [German] [ACD/IUPAC Name]
1,2-dimethylcyclopropane [ACD/IUPAC Name]
1,2-Diméthylcyclopropane [French] [ACD/IUPAC Name]
2511-95-7 [RN]
353270-76-5 [RN]
Cyclopropane, 1,2-dimethyl
Cyclopropane, 1,2-dimethyl- [ACD/Index Name]
(E)-1,2-Dimethylcyclopropane
2402-06-4 [RN]
930-18-7 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

GS9U39RG71 [DBID]

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

Density: 0.8±0.1 g/cm3
Boiling Point: 31.7±7.0 °C at 760 mmHg
Vapour Pressure: 598.0±0.0 mmHg at 25°C
Enthalpy of Vaporization: 26.6±0.8 kJ/mol
Flash Point: -53.9±11.7 °C
Index of Refraction: 1.413
Molar Refractivity: 23.3±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.68
ACD/LogD (pH 5.5): 2.22
ACD/BCF (pH 5.5): 28.58
ACD/KOC (pH 5.5): 383.58
ACD/LogD (pH 7.4): 2.22
ACD/BCF (pH 7.4): 28.58
ACD/KOC (pH 7.4): 383.58
Polar Surface Area: 0 Å2
Polarizability: 9.2±0.5 10-24cm3
Surface Tension: 20.7±3.0 dyne/cm
Molar Volume: 93.2±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) =  2.54

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  42.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -100.98  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  679  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -149.6 deg C
    BP  (exp database):  28.2 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  267.5
       log Kow used: 2.54 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  36.597 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.92E-001  atm-m3/mole
   Group Method:   1.99E-001  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.343E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.54  (KowWin est)
  Log Kaw used:  0.895  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  1.645
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7142
   Biowin2 (Non-Linear Model)     :   0.8821
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0442  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7465  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5489
   Biowin6 (MITI Non-Linear Model):   0.6265
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6358
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4392
     BioHC Half-Life (days)     :   2.7492

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  9.04E+004 Pa (678 mm Hg)
  Log Koa (Koawin est  ): 1.645
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.32E-011 
       Octanol/air (Koa) model:  1.08E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.2E-009 
       Mackay model           :  2.65E-009 
       Octanol/air (Koa) model:  8.67E-010 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.4802 E-12 cm3/molecule-sec
      Half-Life =    22.273 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.93E-009 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  70.62
      Log Koc:  1.849 

 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 = 1.254 (BCF = 17.94)
       log Kow used: 2.54 (estimated)

 Volatilization from Water:
    Henry LC:  0.192 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:     0.8572  hours   (51.43 min)
    Half-Life from Model Lake :      79.58  hours   (3.316 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              98.68  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     1.08  percent
    Total to Air:               97.58  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       53              534          1000       
   Water     45              360          1000       
   Soil      1.64            720          1000       
   Sediment  0.335           3.24e+003    0          
     Persistence Time: 137 hr

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