PLANNED MAINTENANCE

There will be scheduled maintenance work beginning on Wednesday 26th February 2020 from 11:00 AM through to 12.00 PM (GMT).

During this time, you may not be able to log into ChemSpider. We apologise for any inconvenience this might cause and thank you for your patience.


ChemSpider 2D Image | 1,4:3,6-Dianhydro-2,5-bis-O-(trimethylsilyl)hexitol | C12H26O4Si2

1,4:3,6-Dianhydro-2,5-bis-O-(trimethylsilyl)hexitol

  • Molecular FormulaC12H26O4Si2
  • Average mass290.503 Da
  • Monoisotopic mass290.136963 Da
  • ChemSpider ID461437

More details:






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

1,4:3,6-Dianhydro-2,5-bis-O-(trimethylsilyl)hexitol [ACD/IUPAC Name]
1,4:3,6-Dianhydro-2,5-bis-O-(trimethylsilyl)hexitol [German] [ACD/IUPAC Name]
1,4:3,6-Dianhydro-2,5-bis-O-(triméthylsilyl)hexitol [French] [ACD/IUPAC Name]
Hexitol, 1,4:3,6-dianhydro-2,5-bis-O-(trimethylsilyl)- [ACD/Index Name]
1,4:3,6-Dianhydromannitol, TMS

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

Density: 1.0±0.1 g/cm3
Boiling Point: 284.0±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 50.2±3.0 kJ/mol
Flash Point: 103.8±27.7 °C
Index of Refraction: 1.454
Molar Refractivity: 77.9±0.4 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 2.75
ACD/LogD (pH 5.5): 2.80
ACD/BCF (pH 5.5): 79.43
ACD/KOC (pH 5.5): 797.26
ACD/LogD (pH 7.4): 2.80
ACD/BCF (pH 7.4): 79.43
ACD/KOC (pH 7.4): 797.26
Polar Surface Area: 37 Å2
Polarizability: 30.9±0.5 10-24cm3
Surface Tension: 25.2±5.0 dyne/cm
Molar Volume: 287.9±5.0 cm3

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.93

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  279.80  (Adapted Stein & Brown method)
    Melting Pt (deg C):  58.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00276  (Modified Grain method)
    Subcooled liquid VP: 0.00566 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):  312.1
       log Kow used: 1.93 (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:
       Silanes (alkoxy)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.79E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.380E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.93  (KowWin est)
  Log Kaw used:  -5.943  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.873
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.0855
   Biowin2 (Non-Linear Model)     :   0.0003
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5398  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4091  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0575
   Biowin6 (MITI Non-Linear Model):   0.0025
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2381
 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):  0.755 Pa (0.00566 mm Hg)
  Log Koa (Koawin est  ): 7.873
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.98E-006 
       Octanol/air (Koa) model:  1.83E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000144 
       Mackay model           :  0.000318 
       Octanol/air (Koa) model:  0.00146 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  47.4510 E-12 cm3/molecule-sec
      Half-Life =     0.225 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.705 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000231 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  270.3
      Log Koc:  2.432 

 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 = 0.788 (BCF = 6.134)
       log Kow used: 1.93 (estimated)

 Volatilization from Water:
    Henry LC:  2.79E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.577E+004  hours   (1490 days)
    Half-Life from Model Lake : 3.904E+005  hours   (1.626E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               2.19  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.09  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       0.147           5.41         1000       
   Water     28              900          1000       
   Soil      71.7            1.8e+003     1000       
   Sediment  0.1             8.1e+003     0          
     Persistence Time: 1.03e+003 hr




                    

Click to predict properties on the Chemicalize site






Advertisement