ChemSpider 2D Image | Arsenic-71 | 71As

Arsenic-71

  • Molecular Formula71As
  • Average mass70.927 Da
  • Monoisotopic mass70.927116 Da
  • ChemSpider ID4892284
  • Non-standard isotope - Non-standard isotope


More details:






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

Arsenic, isotope of mass 71
Arsenic-71
16685-55-5 [RN]
71As

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

No predicted properties have been calculated for this compound.

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.68

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  473.40  (Adapted Stein & Brown method)
    Melting Pt (deg C):  188.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.14E+004  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -117 deg C
    BP  (exp database):  -62.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.471e+004
       log Kow used: 0.68 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.3836e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.73E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.246E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.68  (KowWin est)
  Log Kaw used:  1.500  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  -0.820
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7104
   Biowin2 (Non-Linear Model)     :   0.8701
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0269  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7353  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4803
   Biowin6 (MITI Non-Linear Model):   0.5684
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8361
 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):  9.45E+005 Pa (7.09E+003 mm Hg)
  Log Koa (Koawin est  ): -0.820
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.17E-012 
       Octanol/air (Koa) model:  3.72E-014 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.15E-010 
       Mackay model           :  2.54E-010 
       Octanol/air (Koa) model:  2.97E-012 

 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): 1.84E-010 (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: 0.68 (estimated)

 Volatilization from Water:
    Henry LC:  0.773 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:     0.9016  hours   (54.10 min)
    Half-Life from Model Lake :      83.87  hours   (3.494 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              99.67  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     0.26  percent
    Total to Air:               99.39  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       56.8            1e+005       1000       
   Water     42.6            360          1000       
   Soil      0.491           720          1000       
   Sediment  0.0815          3.24e+003    0          
     Persistence Time: 144 hr




                    

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