ChemSpider 2D Image | Beryllium oxide | BeO

Beryllium oxide

  • Molecular FormulaBeO
  • Average mass25.012 Da
  • Monoisotopic mass25.007097 Da
  • ChemSpider ID14092

More details:

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

Beryllium oxide [Wiki]
Beryllium, oxo- [ACD/Index Name]
Oxoberyllium [German] [ACD/IUPAC Name]
Oxobéryllium [French] [ACD/IUPAC Name]
Oxoberylliumato(2-) [ACD/IUPAC Name]
1304-56-9 [RN]
215-133-1 [EINECS]
61279-73-0 [RN]
61279-74-1 [RN]

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

14260_FLUKA [DBID]
HSDB 1607 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      DANGER: Cancer risk; inhalation of fumes causes lung disease Alfa Aesar 10001, 35480

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: 1
#H bond donors: 0
#Freely Rotating Bonds: 0
#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: 17 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) =  1.43

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  564.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  242.69  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.01E-011  (Modified Grain method)
    Subcooled liquid VP: 2.3E-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):  6190
       log Kow used: 1.43 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  44398 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]:  5.369E-017 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)         :   0.7356
   Biowin2 (Non-Linear Model)     :   0.9342
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1439  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8117  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6377
   Biowin6 (MITI Non-Linear Model):   0.8586
 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):  3.07E-007 Pa (2.3E-009 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.78 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       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): 0.998 (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 = 0.400 (BCF = 2.514)
       log Kow used: 1.43 (estimated)

 Volatilization from Water:
    Henry LC:  5.37E-017 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 5.453E+012  hours   (2.272E+011 days)
    Half-Life from Model Lake : 5.949E+013  hours   (2.479E+012 days)

 Removal In Wastewater Treatment:
    Total removal:               1.95  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.86  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       7.13e-007       1e+005       1000       
   Water     30              360          1000       
   Soil      69.9            720          1000       
   Sediment  0.0689          3.24e+003    0          
     Persistence Time: 645 hr


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