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Inherent Properties, Identifiers and References
ChemSpider ID: 6559
Empirical Formula: C20H30O4
Molecular Weight: 334.4498
Nominal Mass: 334 Da
Average Mass: 334.4498 Da
Monoisotopic Mass: 334.214409 Da
Quick Links: Permalink Similar Isomers
Systematic Name: O2-butyl O1-(2-ethylhexyl) benzene-1,2-dicarboxylate
SMILES: O=C(OCC(CC)CCCC)c1ccccc1C(=O)OCCCC
InChI: InChI=1/C20H30O4/c1-4-7-11-16(6-3)15-24-20(22)18-13-10-9-12-17(18​)19(21)23-14-8-5-2/h9-10,12-13,16H,4-8,11,14-15H2,1-3H3
InChIKey: AVOLBYOSCILFLL-UHFFFAOYAE
(Details...) Original Reference(s) Filter
Data Source External ID(s)
ChemIDplus 000085698
DiscoveryGate 6818
EINECS N/A
EPA DSSTox 201_HPVCSI_v2c
NIST 578949890
NIST Chemistry WebBook 578949890
PubChem 6818
(Details...) Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

1,2-Benze​nedicarbo​xylic aci​d, butyl ​2-ethylhe​xyl ester

201-623-2 [EINECS/ELINCS]

2-ETHYLHE​XYL BUTYL​ PHTHALATE

butyl 2-e​thylhexyl​ benzene-​1,2-dicar​boxylate

Phthalic ​acid, but​yl 2-ethy​lhexyl es​ter

85-69-8 [RN]

butyl 2-e​thylhexyl​ phthalate

(Details...) Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

HSDB 5251

(Details...) Predicted Properties
LogP: ACD/LogP: 6.77
XLogP: 6.60
ALOGPS: 6.01
# of Rule of 5 Violations: 1
ACD/LogD (pH 5.5): 6.77 ACD/LogD (pH 7.4): 6.77
ACD/BCF (pH 5.5): 81819.09 ACD/BCF (pH 7.4): 81819.09
ACD/KOC (pH 5.5): 114340.82 ACD/KOC (pH 7.4): 114340.82
#H bond acceptors: 4 #H bond donors: 0
#Freely Rotating Bonds: 13 Polar Surface Area: 52.6 Å2
Index of Refraction: 1.492 Molar Refractivity: 96.08 cm3
Molar Volume: 330.6 cm3 Polarizability: 38.09 10-24cm3
Surface Tension: 36.4 dyne/cm Density: 1.011 g/cm3
Flash Point: 189.9 °C Enthalpy of Vaporization: 60.45 kJ/mol
Boiling Point: 359 °C at 760 mmHg Vapour Pressure: 2.46E-05 mmHg at 25°C
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  6.50

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  377.53  (Adapted Stein & Brown method)
    Melting Pt (deg C):  34.96  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.9E-005  (Modified Grain method)
    MP  (exp database):  < 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.02156
       log Kow used: 6.50 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.091806 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.80E-006  atm-m3/mole
   Group Method:   2.13E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.919E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.50  (KowWin est)
  Log Kaw used:  -3.809  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.309
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1535
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.3372  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.3613  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7834
   Biowin6 (MITI Non-Linear Model):   0.8372
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0340
 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):  0.00387 Pa (2.9E-005 mm Hg)
  Log Koa (Koawin est  ): 10.309
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000776 
       Octanol/air (Koa) model:  0.005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0273 
       Mackay model           :  0.0584 
       Octanol/air (Koa) model:  0.286 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  15.6162 E-12 cm3/molecule-sec
      Half-Life =     0.685 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.219 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0429 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.554E+004
      Log Koc:  4.191 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  5.262E-002  L/mol-sec
  Kb Half-Life at pH 8:     152.442  days   
  Kb Half-Life at pH 7:       4.174  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.806 (BCF = 639.3)
       log Kow used: 6.50 (estimated)

 Volatilization from Water:
    Henry LC:  2.13E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      504.6  hours   (21.02 days)
    Half-Life from Model Lake :       5658  hours   (235.7 days)

 Removal In Wastewater Treatment:
    Total removal:              93.43  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    92.66  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       1               16.4         1000       
   Water     7.54            208          1000       
   Soil      33.8            416          1000       
   Sediment  57.7            1.87e+003    0          
     Persistence Time: 611 hr




        
Descriptors: 0, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 22, 4, 4, 0, 6, 4, 2, 0, 0, 0, 0, 0
CategoryTargetPDB CodeLASSO Score
MetalloenzymesACE, angiotensin-converting enzyme1o860.03
Nuclear Hormone ReceptorsPPARg, peroxisome proliferator activated receptor1fm90.03
Nuclear Hormone ReceptorsRXRa, retinoic X receptor R1mvc0.03
KinasesSRC, tyrosine kinase SRC2src0.01
Serine ProteasesThrombin1ba80.01
Other EnzymesHMGR, hydroxymethylglutaryl-CoA reductase1hw80.01
Other EnzymesHIVPR, HIV protease1hpx0.01
MetalloenzymesPDE5, phosphodiesterase 51xp00.01
Nuclear Hormone ReceptorsMR, mineralocorticoid receptor2aa20.01
Other EnzymesPARP, poly(ADP-ribose) polymerase1efy0.01
Other EnzymesPNP, purine nucleoside phosphorylase1b8o0.00
Other EnzymesAmpC, AmpC beta-lactamase1xgj0.00
Nuclear Hormone ReceptorsER, estrogen receptor; agonist1l2i0.00
Nuclear Hormone ReceptorsPR, progesterone receptor1sr70.00
Folate EnzymesDHFR, dihydrofolate reductase3dfr0.00
KinasesVEGFr2, vascular endothelial growth factor receptor1vr20.00
Serine ProteasesTrypsin1bju0.00
Other EnzymesGPB, glycogen phosphorylase1a8i0.00
Other EnzymesSAHH, S-adenosyl-homocysteine hydrolase1a7a0.00
KinasesFGFr1, fibroblast growth factor receptor kinase1agw0.00
Other EnzymesInhA, enoyl ACP reductase1p440.00
Other EnzymesCOX-2, cyclooxygenase-21cx20.00
MetalloenzymesCOMT, catechol O-methyltransferase1h1d0.00
KinasesTK, thymidine kinase1kim0.00
Other EnzymesALR2, aldose reductase1ah30.00
Other EnzymesAChE, acetylcholinesterase1eve0.00
KinasesCDK2, cyclindependent kinase 21ckp0.00
KinasesP38 MAP, P38 mitogen activated protein1kv20.00
Nuclear Hormone ReceptorsAR, androgen receptor1xq20.00
Folate EnzymesGART, glycinamide ribonucleotide transformylase1c2t0.00
KinasesPDGFrb, platelet derived growth factor receptor kinaseN/A0.00
Other EnzymesNA, neuraminidase1a4g0.00
KinasesHSP90, human heat shock protein 901uy60.00
Other EnzymesHIVRT, HIV reverse transcriptase1rt10.00
MetalloenzymesADA, adenosine deaminase1stw0.00
Serine ProteasesFXa, factor Xa1f0r0.00
KinasesEGFr, epidermal growth factor receptor1m170.00