Magnesium(II) ion Mg structure

Mg structure
Molecular Formula Mg
Average mass 24.304 Da
Density
Boiling Point
Flash Point
Molar Refractivity
Polarizability
Surface Tension
Molar Volume

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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