ChemSpider 2D Image | Metalaxyl | C15H21NO4

Metalaxyl

  • Molecular FormulaC15H21NO4
  • Average mass279.332 Da
  • Monoisotopic mass279.147064 Da
  • ChemSpider ID38839

More details:






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

16K4M187IF
1OVY1&NV1O1&R B1 F1 &&(RS) Form [WLN]
1OVY1&NV1O1&R B1 F1 &&(RS)- or DL- Form [WLN]
2-[(2,6-Dimethylphenyl)-(2-methoxyacetyl)amino]propionic acid methyl ester
260-979-7 [EINECS]
57837-19-1 [RN]
Alanine, N-(2,6-dimethylphenyl)-N-(2-methoxyacetyl)-, methyl ester [ACD/Index Name]
Alanine, N-(methoxyacetyl)-N-(2,6-xylyl)-, methyl ester, DL-
Apron 350FW
Apron 35J
More...

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

36153_RIEDEL [DBID]
BRN 2947777 [DBID]
C10947 [DBID]
Caswell No. 375AA [DBID]
CG 117 [DBID]
CGA 48988 [DBID]
EPA Pesticide Chemical Code 113501 [DBID]
HSDB 7061 [DBID]
PS1099_SUPELCO [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      GHS07 Biosynth W-105438
      H302; H317; H412 Biosynth W-105438
      P273; P280 Biosynth W-105438
      Warning Biosynth W-105438
    • Chemical Class:

      An alanine derivative that is methyl alaninate in which one of the hydrogens attached to the nitrogen is substituted by a methoxyacetyl group, while the other is substituted by a 2,6-dimethylphenyl gr oup. ChEBI CHEBI:82790
  • Gas Chromatography
    • Retention Index (Kovats):

      1996 (estimated with error: 89) NIST Spectra mainlib_119023, mainlib_290444, replib_117371, replib_190406, replib_289970, replib_378591
    • Retention Index (Normal Alkane):

      1874.8 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 280 C; Start time: 4 min; CAS no: 57837191; Active phase: CP-Sil5 CB MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Dalluge, J.; van Rijn, M.; Beens, J.; Vreuls, R.J.J.; Brinkman, U.A.Th., Comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection applied to the determination of pesticides in food extracts, J. Chromatogr. A, 965, 2002, 207-217.) NIST Spectra nist ri
      1882.9 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 12 m; Column type: Capillary; Heat rate: 18 K/min; Start T: 60 C; End T: 265 C; Start time: 1 min; CAS no: 57837191; Active phase: HP-1; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Liao, W.; Joe, T.; Cusick, W.G., Multiresidue screening method for fresh fruits and vegetables with gas chromatographic/mass spectrometric detection, J. Ass. Offic. Anal. Chem, 74(3), 1991, 554-565.) NIST Spectra nist ri
      1883 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Description: 80 0C (0.5 min) ^ 25 0C/min -> 185 0C ^ 5 0C/min -> 225 0C (3 min); CAS no: 57837191; Active phase: Methyl Silicone; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Szeto, S.Y.; Price, P.M., Persistence of pesticide residues in mineral and organic soils in the Fraser Valley of British Columbia, J. Agric. Food Chem., 39(9), 1991, 1679-1684.) NIST Spectra nist ri
      1891.4 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 1.1 m; Column type: Packed; Heat rate: 8.5 K/min; Start T: 50 C; End T: 300 C; CAS no: 57837191; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W HP; Data type: Normal alkane RI; Authors: Saxton, W.L., Emergence temperature indices and relative retention times of pesticides and industrial chemicals determined by linear programmed temperature gas chromatography, J. Chromatogr., 393, 1987, 175-194.) NIST Spectra nist ri
      1883.8 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.247 mm; Column length: 15 m; Column type: Capillary; Description: 1 min at 90 C; 90-150 C at 20 deg/min; 150-250 C at 5 deg/min; hold at 250 C for elution of last component; CAS no: 57837191; Active phase: SE-30; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ripley, B.D.; Braun, H.E., Retention time data for organochlorine, organophosphorus, and organonitrogen pesticides on SE-30 capillary column and application of capillary gas chromatography to pesticide residue analysis, J. Ass. Offic. Anal. Chem, 66(5), 1983, 1084-1095.) NIST Spectra nist ri
      1916 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C(1 min) ^ 25 0C/min -> 125 0C ^ 10 0C/min -> 300 0C (10 min); CAS no: 57837191; Active phase: 5 % Phenyl methyl siloxane; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Department of Food Safety, Ministry of Health; Welfare, Analytical methods for residual compositional substances of agricultural chemicals, feed aadditives, and veterinary drugs in foods, 2006.) NIST Spectra nist ri
      1895.9 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 80C(1min) => 10C/min =>160C (5min) => 3C/min =>240C =>25C/min =>280C(10min); CAS no: 57837191; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Chu, X.-G.; Hu, X.-Z.; Yao, H.-Y., Determination of 266 pesticide residues in apple juice by matrix solid-phase dispersion and gas chromatography-mass selective detection, J. Chromatogr. A, 1063, 2005, 201-210.) NIST Spectra nist ri
      1911 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (1 min) ^ 20 0C/min -> 150 0C ^ 10 0C/min -> 280 0C; CAS no: 57837191; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kawara, K.; Asada, T.; Oikawa, K.; Tanabe, A., Multiresidue determination of pesticides in sediments by ultrasonically assisted extraction and gas chromatography/mass spectrometry, J. AOAC International, 88(5), 2005, 1440-1451.) NIST Spectra nist ri
      1902 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 70C(2min) =>25C/min =>150C=>3C/min => 200C=> 8C/min =>280C(10min); CAS no: 57837191; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Wong, J.W.; Webster, M.G.; Bezabeh, D.Z.; Hengel, M.J.; Ngim, K.K.; Krynitsky, A.J.; Ebeler, S.E., Multiresidue determination of pesticides in malt beverages by capillary gas chromatography with mass spectrometry and selected ion monitoring, J. Agric. Food Chem., 52, 2004, 6361-6372.) NIST Spectra nist ri
      1918.4 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 57 C; End T: 290 C; End time: 15 min; Start time: 1.5 min; CAS no: 57837191; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.2 um; Data type: Normal alkane RI; Authors: Haib, J.; Hofer, I.; Renaud, J.-M., Analysis of multiple pesticide residues in tobacco using pressurized liquid extraction, automated solid-phase extraction clean-up and gas chromatography-tandem mass spectrometry, J. Chromatogr. A, 1020, 2003, 173-187.) NIST Spectra nist ri
      1899.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 70 C (3.5 min) ^ 50 C/min -> 150 C ^ 5 C/min -> 180 C (5 min) ^ 4 C/min -> 205 C (5 min) ^ 4 C/min -> 300 C (5 min); CAS no: 57837191; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Martinez Vidal, J.L.; Arrebola, F.J.; Mateu-Sanchez, M., Application of gas chromatography-tandem mass spectrometry to the analysis of pesticides in fruits and vegetables, J. Chromatogr. A, 959, 2002, 203-213.) NIST Spectra nist ri
      1897.1 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (3 min) ^ 25 0C/min -> 125 0C ^ 10 0C/min -> 275 0C (25 min); CAS no: 57837191; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lehotay, S.J., Analysis of pesticide residues in mixed fruit and vegetable extracts by direct sample introduction/gas chromatography/tandem mass spectrometry, J. AOAC Int., 83(3), 2000, 680-697.) NIST Spectra nist ri
      1900 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 75C =>10C/min =>200C(2min)=5C/min =>250C=> 10C/min =>290C (6.5min); CAS no: 57837191; Active phase: NB-5; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: Sasano, R.; Hamada, T.; Kurano, M.; Furuno, M., On-line coupling of solid-phase extraction to gas chromatography with fast solvent vaporization and concentration in an open injector liner. Analysis of pesticides in aqueous samples, J. Chromatogr. A, 896, 2000, 41-49.) NIST Spectra nist ri
      1905.7 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Description: 100C(1min) => 30C/min=> 150C(2min) => 3C/min=> 205C => 10C/min =>260C(29min); CAS no: 57837191; Active phase: SE-54; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Stan, H.-J., Pesticide residue analysis in foodstuffs applying capillary gas chromatography with mass spectrometric detection State-of-the-art use of modified DFG-multimethod S19 and automated data evaluation, J. Chromatogr. A, 892, 2000, 347-377.) NIST Spectra nist ri
      1903.4 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 C (1.13 min) ^ 30 C/min -> 150 C ^ 3 C/min -> 205 C ^ 10 C/min -> 250 C (20 min); CAS no: 57837191; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Cook, J.; Engel, M.; Wylie, P.; Quimby, B., Multiresidue screening of pesticides in foods using retention time locking, GC-AED, database search, and GC/MS identification, J. AOAC Int., 82(2), 1999, 313-326.) NIST Spectra nist ri
      1893.3 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 60 C; End T: 260 C; End time: 12 min; CAS no: 57837191; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mogadati, P.; Louis, J.B.; Rosen, J.D., Multiresidue determination of pesticides in high-organic-content soils by solid-phase extraction and gas chromatography/mass spectrometry, J. AOAC Int., 82(3), 1999, 705-715.) NIST Spectra nist ri
      1894.1 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 29 m; Column type: Capillary; Description: 80 C (1 min) ^ 6 C/min -> 200 C (3 min) ^ 6 C/min -> 260 C (8 min); CAS no: 57837191; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Papadopoulou-Mourkidou, E.; Patsias, J.; Kotopoulou, A., Determination of pesticides in soils by gas chromatography-ion trap mass spectrometry, J. AOAC Int., 80(2), 1997, 447-454.) NIST Spectra nist ri
      1879 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 80(1)-6^ ->200(3)-6^ -> 260(10); CAS no: 57837191; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Patsias, J.; Papadopoulou-Mourkidou, E., Rapid method for the analysis of a variety of chemical classes of pesticides in surface and ground waters by off-line solid phase extraction and gas chromatography-ion trap mass spectrometry, J. Chromatogr. A, 740, 1996, 83-98.) NIST Spectra nist ri
      1897.9 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Description: 85 0C (1 min) ^ 40 0C/min -> 150 0C (2 min) ^ 10 0C/min -> 280 0C (20 min); CAS no: 57837191; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Holland, P.T.; McNaughton, D.E.; Malcolm, C.P., Multiresidue analysis of pesticides in wines by solid-phase extraction, J. AOAC Int., 77(1), 1994, 79-86.) NIST Spectra nist ri
      1882 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 90 C; End T: 270 C; Start time: 1 min; CAS no: 57837191; Active phase: SE-54; Carrier gas: He; Data type: Normal alkane RI; Authors: Ripley, B.D., Gas chromatography-mass spectrometry of acylalanine fungicides, J. Agric. Food Chem., 33(4), 1985, 560-563.) NIST Spectra nist ri
    • Retention Index (Linear):

      1905 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 300 C; CAS no: 57837191; Active phase: SLB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Mondello, L.; Casilli, A.; Tranchida, P.Q.; Presti, M.L.; Dugo, P.; Dugo, G., Comprehensive gas chromatography coupled to mass spectrometry for the separation of pesticides in a very complex matrix, Anal. Bioanal. Chem., 389, 2007, 1755-1763.) NIST Spectra nist ri
      1910 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 300 C; CAS no: 57837191; Active phase: SLB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Mondello, L.; Casilli, A.; Tranchida, P.Q.; Presti, M.L.; Dugo, P.; Dugo, G., Comprehensive gas chromatography coupled to mass spectrometry for the separation of pesticides in a very complex matrix, Anal. Bioanal. Chem., 389, 2007, 1755-1763.) 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: 394.3±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 64.4±3.0 kJ/mol
Flash Point: 192.3±27.9 °C
Index of Refraction: 1.528
Molar Refractivity: 76.9±0.3 cm3
#H bond acceptors: 5
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 2.15
ACD/LogD (pH 5.5): 1.88
ACD/BCF (pH 5.5): 15.86
ACD/KOC (pH 5.5): 251.67
ACD/LogD (pH 7.4): 1.88
ACD/BCF (pH 7.4): 15.86
ACD/KOC (pH 7.4): 251.69
Polar Surface Area: 56 Å2
Polarizability: 30.5±0.5 10-24cm3
Surface Tension: 40.5±3.0 dyne/cm
Molar Volume: 249.8±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) =  1.70
    Log Kow (Exper. database match) =  1.65
       Exper. Ref:  Hansch,C et al. (1995)
    Log Kow (Exper. database match) =  1.71
       Exper. Ref:  Tomlin,C (1997)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  377.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  130.49  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.85E-005  (Modified Grain method)
    MP  (exp database):  -38.7 deg C
    BP  (exp database):  270 dec deg C
    VP  (exp database):  2.48E-05 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  560
       log Kow used: 1.71 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  8400 mg/L (22 deg C)
        Exper. Ref:  TOMLIN,C (1994)
     Water Sol (Exper. database match) =  2.6e+004 mg/L (25 deg C)
        Exper. Ref:  TOMLIN,C (1997)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9248.3 mg/L
    Wat Sol (Exper. database match) =  8400.00
       Exper. Ref:  TOMLIN,C (1994)
    Wat Sol (Exper. database match) =  26000.00
       Exper. Ref:  TOMLIN,C (1997)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.05E-010  atm-m3/mole
   Group Method:   Incomplete
   Exper Database: 2.95E-09  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.871E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.71  (exp database)
  Log Kaw used:  -7.843  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  9.553
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7609
   Biowin2 (Non-Linear Model)     :   0.9717
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5095  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7323  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4605
   Biowin6 (MITI Non-Linear Model):   0.2787
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.2256
 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):  0.00331 Pa (2.48E-005 mm Hg)
  Log Koa (Koawin est  ): 9.553
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000907 
       Octanol/air (Koa) model:  0.000877 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0317 
       Mackay model           :  0.0677 
       Octanol/air (Koa) model:  0.0656 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  26.8839 E-12 cm3/molecule-sec
      Half-Life =     0.398 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.774 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0497 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  22.6
      Log Koc:  1.354 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.628E-002  L/mol-sec
  Kb Half-Life at pH 8:     173.333  days   
  Kb Half-Life at pH 7:       4.746  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.617 (BCF = 4.137)
       log Kow used: 1.71 (expkow database)

 Volatilization from Water:
    Henry LC:  2.95E-009 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River: 3.317E+005  hours   (1.382E+004 days)
    Half-Life from Model Lake : 3.619E+006  hours   (1.508E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               2.05  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.96  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       0.0299          9.55         1000       
   Water     29.1            900          1000       
   Soil      70.8            1.8e+003     1000       
   Sediment  0.0847          8.1e+003     0          
     Persistence Time: 1.23e+003 hr




                    

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