ChemSpider 2D Image | MFCD00009332 | C8H18S

MFCD00009332

  • Molecular FormulaC8H18S
  • Average mass146.294 Da
  • Monoisotopic mass146.112915 Da
  • ChemSpider ID455409

More details:






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

2-(butan-2-ylsulfanyl)butane
2-(sec-Butylsulfanyl)butan [German] [ACD/IUPAC Name]
2-(sec-Butylsulfanyl)butane [ACD/IUPAC Name]
2-(sec-Butylsulfanyl)butane [French] [ACD/IUPAC Name]
210-938-4 [EINECS]
626-26-6 [RN]
Butane, 2,2'-thiobis- [ACD/Index Name]
dibutan-2-yl sulfide
Di-sec-butyl sulfide
MFCD00009332
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

124311_ALDRICH [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      939 (estimated with error: 46) NIST Spectra mainlib_234821, replib_4296, replib_249699
      983 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 626266; Active phase: Apiezon M; Carrier gas: He or N2; Substrate: Chromosorb W, AW-DMCS; Data type: Kovats RI; Authors: Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V., Gas chromatographic retention indices for sulphur(II)-containing organic substances, J. Anal. Chem. USSR (Engl. Transl.), 40(4), 1985, 576-586, In original 709-720.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      983 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 626266; Active phase: Apiezon M; Data type: Normal alkane RI; Authors: Liu, L.; Cao, C.-Z.; Xie, B.; Zou, L.-K., Research of QSSR on chromatography retention index of sulfides and mercaptans, Journal of Hunan University of Science and Technology, 20(4), 2005, 74-80.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 0.8±0.1 g/cm3
Boiling Point: 165.0±0.0 °C at 760 mmHg
Vapour Pressure: 2.5±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.5±3.0 kJ/mol
Flash Point: 39.4±0.0 °C
Index of Refraction: 1.449
Molar Refractivity: 47.0±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 3.71
ACD/LogD (pH 5.5): 3.81
ACD/BCF (pH 5.5): 463.96
ACD/KOC (pH 5.5): 2820.15
ACD/LogD (pH 7.4): 3.81
ACD/BCF (pH 7.4): 463.96
ACD/KOC (pH 7.4): 2820.15
Polar Surface Area: 25 Å2
Polarizability: 18.6±0.5 10-24cm3
Surface Tension: 26.0±3.0 dyne/cm
Molar Volume: 175.3±3.0 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) =  3.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  157.26  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -55.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.98  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  165 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  52.53
       log Kow used: 3.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  79.253 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.30E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.255E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.72  (KowWin est)
  Log Kaw used:  -0.755  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.475
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6779
   Biowin2 (Non-Linear Model)     :   0.7173
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8759  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6367  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2761
   Biowin6 (MITI Non-Linear Model):   0.2768
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2381
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.8834
     BioHC Half-Life (days)     :   7.6455

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  240 Pa (1.8 mm Hg)
  Log Koa (Koawin est  ): 4.475
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.25E-008 
       Octanol/air (Koa) model:  7.33E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.51E-007 
       Mackay model           :  1E-006 
       Octanol/air (Koa) model:  5.86E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  41.8915 E-12 cm3/molecule-sec
      Half-Life =     0.255 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.064 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 7.26E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  720.7
      Log Koc:  2.858 

 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 = 2.163 (BCF = 145.7)
       log Kow used: 3.72 (estimated)

 Volatilization from Water:
    Henry LC:  0.0043 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.399  hours
    Half-Life from Model Lake :      116.7  hours   (4.862 days)

 Removal In Wastewater Treatment:
    Total removal:              67.56  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:    13.80  percent
    Total to Air:               53.64  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.41            6.13         1000       
   Water     19.3            360          1000       
   Soil      78              720          1000       
   Sediment  1.35            3.24e+003    0          
     Persistence Time: 328 hr




                    

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