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ChemSpider 2D Image | Magnesium | Mg

Magnesium

  • Molecular FormulaMg
  • Average mass24.305 Da
  • Monoisotopic mass23.985043 Da
  • ChemSpider ID4575328

More details:



Featured data source



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

Magnesium [ACD/Index Name] [ACD/IUPAC Name]
231-104-6 [EINECS]
7439-95-4 [RN]
magnesio [Italian]
Magnesium [German] [ACD/Index Name] [ACD/IUPAC Name]
Magnésium [French] [ACD/IUPAC Name]
magnesium atom
MFCD00085308 [MDL number]
elemental magnesium
More...

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

CHEBI:25107 [DBID]
13103_RIEDEL [DBID]
13112_RIEDEL [DBID]
200905_SIAL [DBID]
207276_ALDRICH [DBID]
253987_SIAL [DBID]
254118_ALDRICH [DBID]
254126_SIAL [DBID]
266302_SIAL [DBID]
299405_ALDRICH [DBID]
More...

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

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations:
ACD/LogP:
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) =  -0.57

 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):  2.95E-031  (Modified Grain method)
    MP  (exp database):  651 deg C
    BP  (exp database):  1100 deg C
    Subcooled liquid VP: 2.24E-023 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):  3.253e+005
       log Kow used: -0.57 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  46722 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]:  1.065E-037 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.57  (KowWin est)
  Log Kaw used:  0.001  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  -0.571
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7350
   Biowin2 (Non-Linear Model)     :   0.9331
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1410  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8098  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6338
   Biowin6 (MITI Non-Linear Model):   0.8539
 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):  2.99E-021 Pa (2.24E-023 mm Hg)
  Log Koa (Koawin est  ): -0.571
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1E+015 
       Octanol/air (Koa) model:  6.59E-014 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  5.27E-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 (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: -0.57 (estimated)

 Volatilization from Water:
    Henry LC:  0.0245 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:     0.5358  hours   (32.15 min)
    Half-Life from Model Lake :      48.86  hours   (2.036 days)

 Removal In Wastewater Treatment:
    Total removal:              90.51  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     0.39  percent
    Total to Air:               90.09  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       38.1            1e+005       1000       
   Water     55.7            360          1000       
   Soil      6.06            720          1000       
   Sediment  0.102           3.24e+003    0          
     Persistence Time: 182 hr




                    

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