Metribuzin C8H14N4OS structure – Flashcards

Flashcard maker : Alicia Bennett

Molecular Formula C8H14N4OS
Average mass 214.288 Da
Density 1.3±0.1 g/cm3
Boiling Point 312.4±25.0 °C at 760 mmHg
Flash Point 142.7±23.2 °C
Molar Refractivity 57.3±0.5 cm3
Polarizability 22.7±0.5 10-24cm3
Surface Tension 47.4±7.0 dyne/cm
Molar Volume 163.5±7.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      126 °C Jean-Claude Bradley Open Melting Point Dataset 17514
      123-125 °C LabNetwork LN00465365
      142-144 °C BIONET-Key Organics GS-3125
    • Experimental Vapor Pressure:

      0 mmHg NIOSH XZ2990000
    • Experimental LogP:

      1.297 Vitas-M STK830450
      1.3735 Life Chemicals F0111-0053
    • Experimental Solubility:

      0.1% NIOSH XZ2990000
  • Miscellaneous
    • Appearance:

      Colorless, crystalline solid. [herbicide] NIOSH XZ2990000
    • Safety:

      Xn,N Abblis Chemicals AB1004852
    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash Breathing: Fresh air Swallow: Medical attention immediately NIOSH XZ2990000
    • Exposure Routes:

      inhalation, ingestion, skin and/or eye contact NIOSH XZ2990000
    • Symptoms:

      In animals: central nervous system depression; thyroid, liver enzyme changes NIOSH XZ2990000
    • Target Organs:

      central nervous system, thyroid, liver NIOSH XZ2990000
    • Incompatibility:

      None reported NIOSH XZ2990000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: Daily NIOSH XZ2990000
    • Exposure Limits:

      NIOSH REL : TWA 5 mg/m 3 OSHA PEL ?: none NIOSH XZ2990000
  • Gas Chromatography
    • Retention Index (Kovats):

      1867 (estimated with error: 89) NIST Spectra mainlib_125494, replib_52348
      1819 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 160 C; CAS no: 21087649; Active phase: OV-1; Data type: Kovats RI; Authors: Erdmann, F.; Rochholz, G.; Schutz, H., Retention-indices on OV-1 of approximately 170 commonly used pesticides, Mikrochim. Acta, 106, 1992, 219-226.) NIST Spectra nist ri
      1835 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 190 C; CAS no: 21087649; Active phase: OV-1; Data type: Kovats RI; Authors: Erdmann, F.; Rochholz, G.; Schutz, H., Retention-indices on OV-1 of approximately 170 commonly used pesticides, Mikrochim. Acta, 106, 1992, 219-226.) NIST Spectra nist ri
      1849 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 220 C; CAS no: 21087649; Active phase: OV-1; Data type: Kovats RI; Authors: Erdmann, F.; Rochholz, G.; Schutz, H., Retention-indices on OV-1 of approximately 170 commonly used pesticides, Mikrochim. Acta, 106, 1992, 219-226.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1829 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(1min) =>20C/min =>120C => 5C/min => 300C(10min); CAS no: 21087649; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimadzu Corporation, Analysis of 124 pesticides with capillary GC-FTD and GC-ECD, 2003.) NIST Spectra nist ri
      1813 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 21087649; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Ostroukhova, O.K.; Dolzhenko, V.I., Optimum analytical parameters for chromatographic characterization of pesticides, J. Anal. Chem. USSR (Engl. Transl.), 57(1), 2002, 35-39, In original 43-48.) NIST Spectra nist ri
      1832.7 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 150 C; End T: 210 C; CAS no: 21087649; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.5 um; Data type: Normal alkane RI; Authors: Pardue, J.R., Multiresidue method for the chromatographic determination of triazine herbicides and their metabolites in raw agricultural products, J. AOAC Int., 78(3), 1995, 856-862.) NIST Spectra nist ri
      1832 (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: 21087649; 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
      1826.6 (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: 21087649; 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
      1888 (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: 21087649; 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
      1854.1 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 80C(1min) => 10C/min =>160C (5min) => 3C/min =>240C =>25C/min =>280C(10min); CAS no: 21087649; 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
      1853.7 (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: 21087649; Active phase: ZB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Albero, B.; Sanchez-Brunete, C.; Tadeo, J.L., Analysis of pesticides in honey by solid-phase extraction and gas chromatography-mass spectrometry, J. Agric. Food Chem., 52, 2004, 5828-5835.) NIST Spectra nist ri
      1878.4 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 80C(2min) =>15C/min =>190C(4min) => 10C/min => 290C(6min); CAS no: 21087649; Active phase: CP-Sil 8CB-MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Goncalves, C.; Alpendurada, M.F., Solid-phase micro-extraction-gas chromatography-(tandem) mass spectrometry as a tool for pesticide residue analysis in water samples at high sensitivity and selectivity with confirmation capabilities, J. Chromatogr. A, 1026, 2004, 239-250.) NIST Spectra nist ri
      1849.6 (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: 21087649; Active phase: ZB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sanchez-Brunete, C.; Albero, B.; Tadeo, J.L., Multiresidue determination of pesticides in soil by gas chromatography-mass spectrometry detection, J. Agric. Food Chem., 52, 2004, 1445-1451.) NIST Spectra nist ri
      1858.4 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(1min) =>20C/min =>120C => 5C/min => 300C(10min); CAS no: 21087649; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimadzu Corporation, Analysis of 124 pesticides with capillary GC-FTD and GC-ECD, 2003.) NIST Spectra nist ri
      1872.2 (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: 21087649; 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
      1862.4 (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: 6 K/min; Start T: 60 C; End T: 260 C; End time: 12 min; CAS no: 21087649; 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
      1870.5 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 100 C; End T: 275 C; End time: 2 min; Start time: 5 min; CAS no: 21087649; Active phase: RTX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591.) NIST Spectra nist ri
      1877.1 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 150 C; End T: 275 C; End time: 3 min; Start time: 5 min; CAS no: 21087649; Active phase: RTX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591.) NIST Spectra nist ri
      1879.3 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 50 C(2min) => 20C/min => 150C => 6C/min => 280C (30min); CAS no: 21087649; Active phase: NB-54; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tamura, Y.; Nagayama, T.; Kobayashi, M.; Hiashimoto, T.; Haneishi, N.; Ito, M.; Tomomatsu, T., Simultaneous determination of organonitrogen and carbamate pescticides in foods by an internal standard method based on retention indices in dual-column gas chromatography, Shokuhin Eiseigaku Zasshi, 39(3), 1998, 225-232.) NIST Spectra nist ri
      1863.5 (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: 21087649; 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
      1863.9 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C 92 min) ^ 40 0C/min -> 60 0C ^ 4 0C/min -> 310 0C (10 min); CAS no: 21087649; Active phase: SPB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Draper, W.M., Optimizing nitrogen-phosphorus detector gas chromatography for pesticide analysis, J. Agric. Food Chem., 43, 1995, 2077-2082.) NIST Spectra nist ri
      1862.5 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 75 0C (0.67 min) ^ 10 0C/min -> 140 0C ^ 5 0C/min -> 250 0C (1 min) ^ 20 0C/min -> 320 0C (5 min); CAS no: 21087649; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Olson, N.L.; Carrell, R.; Cummings, R.; Rieck, R.; Reimer, S., Atomic emission detection for gas chromatographic analysis of nitrogen-containing herbicides in water, J. AOAC Int., 78(6), 1995, 1464-1473.) NIST Spectra nist ri
      1860.6 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Description: 1 min at 100 0C; 100-150 0C at 30 deg/min; hold at 150 0C for 1 min; 150 – 205 0C at 3 deg/min; 205 – 260 0C at 10 deg/min; 23 min at 260 0C; CAS no: 21087649; Active phase: HP-5; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Stan, H.-J.; Heberer, Th., Automated recognition of target compounds at low levels in environmental samples by means of capillary gas chromatography-mass spectrometry with dedicated mass spectral libraries and the macro program AUTARG. II. Application to pesticides in the groundwater samples, J. Chromatogr., 653, 1993, 55-62.) NIST Spectra nist ri
    • Retention Index (Linear):

      1873 (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: 21087649; 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
      1882 (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: 21087649; 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: 1.3±0.1 g/cm3
Boiling Point: 312.4±25.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 55.3±3.0 kJ/mol
Flash Point: 142.7±23.2 °C
Index of Refraction: 1.618
Molar Refractivity: 57.3±0.5 cm3
#H bond acceptors: 5
#H bond donors: 2
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.30
ACD/LogD (pH 5.5): 1.50
ACD/BCF (pH 5.5): 8.12
ACD/KOC (pH 5.5): 155.90
ACD/LogD (pH 7.4): 1.50
ACD/BCF (pH 7.4): 8.12
ACD/KOC (pH 7.4): 155.90
Polar Surface Area: 96 Å2
Polarizability: 22.7±0.5 10-24cm3
Surface Tension: 47.4±7.0 dyne/cm
Molar Volume: 163.5±7.0 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) = 1.49
 Log Kow (Exper. database match) = 1.70
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 366.80 (Adapted Stein & Brown method)
 Melting Pt (deg C): 150.38 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 5.17E-006 (Modified Grain method)
 MP (exp database): 126 deg C
 BP (exp database): 132 @ 0.015 mm Hg deg C
 VP (exp database): 4.35E-07 mm Hg at 20 deg C
 Subcooled liquid VP: 4.34E-006 mm Hg (20 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1304
 log Kow used: 1.70 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 1050 mg/L (20 deg C)
 Exper. Ref: TOMLIN,C (1994)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2.1004e+005 mg/L
 Wat Sol (Exper. database match) = 1050.00
 Exper. Ref: TOMLIN,C (1994)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.81E-012 atm-m3/mole
 Group Method: Incomplete
 Exper Database: 1.17E-10 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.118E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.70 (exp database)
 Log Kaw used: -8.320 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 10.020
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.4616
 Biowin2 (Non-Linear Model) : 0.1471
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5135 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.3851 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.2291
 Biowin6 (MITI Non-Linear Model): 0.0000
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.1836
 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): 0.000579 Pa (4.34E-006 mm Hg)
 Log Koa (Koawin est ): 10.020
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00518 
 Octanol/air (Koa) model: 0.00257 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.158 
 Mackay model : 0.293 
 Octanol/air (Koa) model: 0.171 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 18.2626 E-12 cm3/molecule-sec
 Half-Life = 0.586 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 7.028 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.225 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 1196
 Log Koc: 3.078 

 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 = 0.609 (BCF = 4.064)
 log Kow used: 1.70 (expkow database)

 Volatilization from Water:
 Henry LC: 1.17E-010 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 7.325E+006 hours (3.052E+005 days)
 Half-Life from Model Lake : 7.991E+007 hours (3.33E+006 days)

 Removal In Wastewater Treatment:
 Total removal: 2.05 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.95 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 0.00126 14.1 1000 
 Water 28.9 900 1000 
 Soil 71 1.8e+003 1000 
 Sediment 0.0834 8.1e+003 0 
 Persistence Time: 1.27e+003 hr




 

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