ChemSpider 2D Image | Dibutyl phthalate | C16H22O4

Dibutyl phthalate

  • Molecular FormulaC16H22O4
  • Average mass278.344 Da
  • Monoisotopic mass278.151794 Da
  • ChemSpider ID17381

More details:






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

Di-n-butyl isophthalate
1,3-Benzenedicarboxylic acid, dibutyl ester [ACD/Index Name]
1,3-Benzenedicarboxylic acid, dibutyl ester (9CI)
1,3-Dibutyl 1,3-benzenedicarboxylate
3126-90-7 [RN]
Dibutyl isophthalate [ACD/IUPAC Name]
Dibutyl phthalate [ACD/IUPAC Name] [Wiki]
Dibutyl-isophthalat [German] [ACD/IUPAC Name]
Di-n-butylisophthlate
Isophtalate de dibutyle [French] [ACD/IUPAC Name]
More...

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

9JXO0GKJ2Y [DBID]
BRN 2217869 [DBID]
NSC 6348 [DBID]
NSC6348 [DBID]
UNII:9JXO0GKJ2Y [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      2037 (estimated with error: 47) NIST Spectra mainlib_343987
      2025 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 230 C; CAS no: 3126907; Active phase: OV-101; Carrier gas: H2; Phase thickness: 0.35 um; Data type: Kovats RI; Authors: Friocourt, M.P.; Berthou, F.; Picart, D.; Dreano, Y.; Floch, H.H., Glass Capillary Column Gas Chromatography of Phthalate Esters, J. Chromatogr., 172, 1979, 261-271., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 230 C; CAS no: 3126907; Active phase: OV-101; Carrier gas: N2; Phase thickness: 0.35 um; Data type: Kovats RI; Authors: Friocourt, M.P.; Berthou, F.; Picart, D.; Dreano, Y.; Floch, H.H., Glass Capillary Column Gas Chromatography of Phthalate Esters, J. Chromatogr., 172, 1979, 261-271.) NIST Spectra nist ri
      2030 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 251 C; CAS no: 3126907; Active phase: SE-30; Carrier gas: He; Phase thickness: 0.39 um; Data type: Kovats RI; Authors: Friocourt, M.P.; Berthou, F.; Picart, D.; Dreano, Y.; Floch, H.H., Glass Capillary Column Gas Chromatography of Phthalate Esters, J. Chromatogr., 172, 1979, 261-271.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1996 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 260 C; CAS no: 3126907; Active phase: Ultra-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1(2), 1991, 333-358.) NIST Spectra nist ri

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

Density: 1.1±0.1 g/cm3
Boiling Point: 341.8±10.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 58.6±3.0 kJ/mol
Flash Point: 180.2±8.5 °C
Index of Refraction: 1.499
Molar Refractivity: 77.6±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 10
#Rule of 5 Violations: 1
ACD/LogP: 5.64
ACD/LogD (pH 5.5): 4.94
ACD/BCF (pH 5.5): 3348.35
ACD/KOC (pH 5.5): 11605.63
ACD/LogD (pH 7.4): 4.94
ACD/BCF (pH 7.4): 3348.35
ACD/KOC (pH 7.4): 11605.63
Polar Surface Area: 53 Å2
Polarizability: 30.8±0.5 10-24cm3
Surface Tension: 37.9±3.0 dyne/cm
Molar Volume: 264.3±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) =  4.61
    Log Kow (Exper. database match) =  4.26
       Exper. Ref:  Pomona (1987)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  337.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  6.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000255  (Modified Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.768
       log Kow used: 4.26 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6.4114 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.22E-006  atm-m3/mole
   Group Method:   4.45E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.479E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.26  (exp database)
  Log Kaw used:  -4.302  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.562
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1803
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.4612  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.4422  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9017
   Biowin6 (MITI Non-Linear Model):   0.9226
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1594
 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):  0.034 Pa (0.000255 mm Hg)
  Log Koa (Koawin est  ): 8.562
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.82E-005 
       Octanol/air (Koa) model:  8.95E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00318 
       Mackay model           :  0.00701 
       Octanol/air (Koa) model:  0.00711 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.3383 E-12 cm3/molecule-sec
      Half-Life =     1.145 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.745 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00509 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1430
      Log Koc:  3.155 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.238E-001  L/mol-sec
  Kb Half-Life at pH 8:      35.848  days   
  Kb Half-Life at pH 7:     358.485  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.580 (BCF = 380.4)
       log Kow used: 4.26 (expkow database)

 Volatilization from Water:
    Henry LC:  4.45E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       2197  hours   (91.53 days)
    Half-Life from Model Lake :  2.41E+004  hours   (1004 days)

 Removal In Wastewater Treatment:
    Total removal:              43.13  percent
    Total biodegradation:        0.42  percent
    Total sludge adsorption:    42.69  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.47            27.5         1000       
   Water     24.1            208          1000       
   Soil      70              416          1000       
   Sediment  3.43            1.87e+003    0          
     Persistence Time: 323 hr




                    

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