ChemSpider 2D Image | Argon | Ar

Argon

  • Molecular FormulaAr
  • Average mass39.948 Da
  • Monoisotopic mass39.962383 Da
  • ChemSpider ID22407

More details:






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

1290046-39-7 [RN]
231-147-0 [EINECS]
7440-37-1 [RN]
Argon [ACD/Index Name] [ACD/IUPAC Name] [Wiki]
Argon [German] [ACD/Index Name] [ACD/IUPAC Name]
Argon [French] [ACD/Index Name] [ACD/IUPAC Name]
Argon-40Ar
CF2300000
MFCD00003431
MFCD00151307
More...

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

67XQY1V3KH [DBID]
295000_ALDRICH [DBID]
Argon-40 [DBID]
CHEBI:33311 [DBID]
UN1006 [DBID]
UN1951 [DBID]
UNII:67XQY1V3KH [DBID]
UNII-67XQY1V3KH [DBID]

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

Density:
Boiling Point: -185.7±9.0 °C at 760 mmHg
Vapour Pressure: 342656.7±0.2 mmHg at 25°C
Enthalpy of Vaporization: 9.7±3.0 kJ/mol
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.66
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 0 Å2
Polarizability:
Surface Tension:
Molar Volume:

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.74
    Log Kow (Exper. database match) =  0.74
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  482.98  (Adapted Stein & Brown method)
    Melting Pt (deg C):  188.60  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.82E+007  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  < -185 deg C
    BP  (exp database):  -185.86 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.983e+004
       log Kow used: 0.74 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  70911 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.45E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.339E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.74  (exp database)
  Log Kaw used:  0.001  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  0.739
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7285
   Biowin2 (Non-Linear Model)     :   0.9199
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1109  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7901  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5933
   Biowin6 (MITI Non-Linear Model):   0.7978
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8361
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.35E+010 Pa (1.76E+008 mm Hg)
  Log Koa (Koawin est  ): 0.739
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.28E-016 
       Octanol/air (Koa) model:  1.35E-012 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.62E-015 
       Mackay model           :  1.02E-014 
       Octanol/air (Koa) model:  1.08E-010 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.0000 E-12 cm3/molecule-sec
      Half-Life =   -------
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 7.42E-015 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  14.3
      Log Koc:  1.155 

 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: 0.74 (expkow database)

 Volatilization from Water:
    Henry LC:  0.0245 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:     0.6601  hours   (39.60 min)
    Half-Life from Model Lake :       60.2  hours   (2.508 days)

 Removal In Wastewater Treatment:
    Total removal:              90.51  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     0.41  percent
    Total to Air:               90.08  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       56.1            1e+005       1000       
   Water     42.6            360          1000       
   Soil      1.27            720          1000       
   Sediment  0.0819          3.24e+003    0          
     Persistence Time: 146 hr




                    

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