1,1,2,2-Tetrachloroethane C2H2Cl4 structure – Flashcards

Flashcard maker : Sarah Adrian

Molecular Formula C2H2Cl4
Average mass 167.849 Da
Density 1.6±0.1 g/cm3
Boiling Point 142.0±8.0 °C at 760 mmHg
Flash Point 42.6±15.8 °C
Molar Refractivity 30.6±0.3 cm3
Polarizability 12.1±0.5 10-24cm3
Surface Tension 33.9±3.0 dyne/cm
Molar Volume 107.8±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -43 °C Alfa Aesar
      -43 °C Oxford University Chemical Safety Data (No longer updated) More details
      -44 °C Jean-Claude Bradley Open Melting Point Dataset 14125
      -43 °C Jean-Claude Bradley Open Melting Point Dataset 768, 14890
      -43.8 °C Jean-Claude Bradley Open Melting Point Dataset 21158
      -43 °C Alfa Aesar L04489
      -43 °C Biosynth J-503708
    • Experimental Boiling Point:

      142-146 °C Alfa Aesar
      296 F (146.6667 °C)
      NIOSH KI8575000
      142-146 °C Oxford University Chemical Safety Data (No longer updated) More details
      142-146 °C Alfa Aesar L04489
      142 °C Biosynth J-503708
    • Experimental Ionization Potent:

      11.1 Ev NIOSH KI8575000
    • Experimental Vapor Pressure:

      5 mmHg NIOSH KI8575000
    • Experimental Flash Point:

    • Experimental Freezing Point:

      -33 F (-36.1111 °C)
      NIOSH KI8575000
    • Experimental Gravity:

      20 g/mL Merck Millipore 4719
      20 g/l Merck Millipore 4719, 843948
      1.596 g/mL Alfa Aesar L04489
      42.6 g/mL Biosynth J-503708
    • Experimental Refraction Index:

      1.4935 Alfa Aesar L04489
    • Experimental Solubility:

      0.3% NIOSH KI8575000
      -1.74 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
  • Miscellaneous
    • Appearance:

      Colorless to pale-yellow liquid with a pungent, chloroform-like odor. NIOSH KI8575000
      colourless to light yellow liquid with a chloroform-like Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable. Incompatible with strong oxidizing agents, strong bases.Reacts violently with sodium, potassium, nitrates,2,4-dinitrophenyl disulphide. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 200 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      26/27-40-68-51/53 Alfa Aesar L04489
      38-45-61 Alfa Aesar L04489
      6.1 Alfa Aesar L04489
      Danger Alfa Aesar L04489
      DANGER: CANCER RISK, causes CNS effects; skin & eye irritant Alfa Aesar L04489
      H310-H330-H341-H351-H411 Alfa Aesar L04489
      P260-P304+P340-P320-P361-P405-P501a Alfa Aesar L04489
      Safety glasses, gloves and good ventilation. Oxford University Chemical Safety Data (No longer updated) More details
      T+,N Abblis Chemicals AB1009237
    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately NIOSH KI8575000
    • Exposure Routes:

      inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH KI8575000
    • Symptoms:

      Nausea, vomiting, abdominal pain; tremor fingers; jaundice, hepatitis, liver tenderness; dermatitis; leukocytosis (increased blood leukocytes); kidney damage; [potential occupational carcinogen] NIOSH KI8575000
    • Target Organs:

      Skin, liver, kidneys, central nervous system, gastrointestinal tract Cancer Site [in animals: liver tumors] NIOSH KI8575000
    • Incompatibility:

      Chemically-active metals, strong caustics, fuming sulfuric acid [Note: Degrades slowly when exposed to air.] NIOSH KI8575000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench NIOSH KI8575000
    • Exposure Limits:

      NIOSH REL : Ca TWA 1 ppm (7 mg/m 3 ) [skin] See Appendix A See Appendix C (Chloroethanes) OSHA PEL ?: TWA 5 ppm (35 mg/m 3 ) [skin] NIOSH KI8575000
  • Gas Chromatography
    • Retention Index (Kovats):

      911 (estimated with error: 72) NIST Spectra mainlib_341651, replib_150274, replib_228516
    • Retention Index (Normal Alkane):

      761 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 25322207; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, , 1994, 549-568.) NIST Spectra nist ri

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

Density: 1.6±0.1 g/cm3
Boiling Point: 142.0±8.0 °C at 760 mmHg
Vapour Pressure: 7.1±0.3 mmHg at 25°C
Enthalpy of Vaporization: 37.6±0.0 kJ/mol
Flash Point: 42.6±15.8 °C
Index of Refraction: 1.480
Molar Refractivity: 30.6±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.17
ACD/LogD (pH 5.5): 2.51
ACD/BCF (pH 5.5): 47.84
ACD/KOC (pH 5.5): 554.66
ACD/LogD (pH 7.4): 2.51
ACD/BCF (pH 7.4): 47.84
ACD/KOC (pH 7.4): 554.66
Polar Surface Area: 0 Å2
Polarizability: 12.1±0.5 10-24cm3
Surface Tension: 33.9±3.0 dyne/cm
Molar Volume: 107.8±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) = 2.19
 Log Kow (Exper. database match) = 2.39
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 149.90 (Adapted Stein & Brown method)
 Melting Pt (deg C): -48.66 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 4.72 (Mean VP of Antoine & Grain methods)
 MP (exp database): -43.8 deg C
 BP (exp database): 146.5 deg C
 VP (exp database): 1.33E+01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 572.7
 log Kow used: 2.39 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 2830 mg/L (25 deg C)
 Exper. Ref: HORVATH,AL ET AL. (1999)
 Water Sol (Exper. database match) = 2870 mg/L (25 deg C)
 Exper. Ref: STEPHEN,H & STEPHEN,T (1963)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1854.8 mg/L
 Wat Sol (Exper. database match) = 2830.00
 Exper. Ref: HORVATH,AL ET AL. (1999)
 Wat Sol (Exper. database match) = 2870.00
 Exper. Ref: STEPHEN,H & STEPHEN,T (1963)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.51E-003 atm-m3/mole
 Group Method: 5.35E-005 atm-m3/mole
 Exper Database: 3.67E-04 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.820E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.39 (exp database)
 Log Kaw used: -1.824 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 4.214
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.2221
 Biowin2 (Non-Linear Model) : 0.0011
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.1355 (months )
 Biowin4 (Primary Survey Model) : 3.2031 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.1158
 Biowin6 (MITI Non-Linear Model): 0.0062
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4458
 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): 1.77E+003 Pa (13.3 mm Hg)
 Log Koa (Koawin est ): 4.214
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.69E-009 
 Octanol/air (Koa) model: 4.02E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.11E-008 
 Mackay model : 1.35E-007 
 Octanol/air (Koa) model: 3.21E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.2017 E-12 cm3/molecule-sec
 Half-Life = 53.030 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 9.82E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 106.8
 Log Koc: 2.029 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 1.469E+000 L/mol-sec
 Kb Half-Life at pH 8: 5.462 days 
 Kb Half-Life at pH 7: 54.621 days 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.140 (BCF = 13.81)
 log Kow used: 2.39 (expkow database)

 Volatilization from Water:
 Henry LC: 0.000367 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 3.389 hours
 Half-Life from Model Lake : 145.6 hours (6.067 days)

 Removal In Wastewater Treatment:
 Total removal: 16.68 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.44 percent
 Total to Air: 14.15 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 11.9 1.03e+003 1000 
 Water 22.5 1.44e+003 1000 
 Soil 65.4 2.88e+003 1000 
 Sediment 0.158 1.3e+004 0 
 Persistence Time: 568 hr




 

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