ChemSpider 2D Image | Chromium(III) oxide | Cr2O3

Chromium(III) oxide

  • Molecular FormulaCr2O3
  • Average mass151.990 Da
  • Monoisotopic mass151.865768 Da
  • ChemSpider ID451305

More details:

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

Chromium(III) oxide [Wiki]
Chromium(III) trioxide
12001-99-9 [RN]
1308-38-9 [RN]
215-160-9 [EINECS]
chromic oxide
Chromic oxide pigment
chromium (III) oxide

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

203068_SIAL [DBID]
393703_SIAL [DBID]

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

Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations:
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: 43 Å2
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) =  2.97

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  576.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  248.32  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.35E-012  (Modified Grain method)
    Subcooled liquid VP: 1.16E-009 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):  215.2
       log Kow used: 2.97 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.042E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6752
   Biowin2 (Non-Linear Model)     :   0.7007
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8633  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6285  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2600
   Biowin6 (MITI Non-Linear Model):   0.1345
 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):  1.55E-007 Pa (1.16E-009 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  19.4 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.999 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  not available

 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): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  80.77
      Log Koc:  1.907 

 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 = 1.589 (BCF = 38.79)
       log Kow used: 2.97 (estimated)

 Volatilization from Water:
    Henry LC:  4.04E-015 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 1.786E+011  hours   (7.44E+009 days)
    Half-Life from Model Lake : 1.948E+012  hours   (8.116E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               5.44  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     5.32  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       9.13e-005       1e+005       1000       
   Water     16.9            360          1000       
   Soil      82.8            720          1000       
   Sediment  0.268           3.24e+003    0          
     Persistence Time: 773 hr


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