2,2',4,4'-PCB

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon
Predicted - Mcule

Experimental Physico-chemical Properties
- Experimental Boiling Point:
  
  617-691 °F (325-366.1111 °C) NIOSH TQ1356000
- Experimental Vapor Pressure:
  
  0.001 mmHg NIOSH TQ1356000
- Experimental Freezing Point:
  
  -2 °F (-18.8889 °C) NIOSH TQ1356000
- Experimental Solubility:
  
  Insoluble NIOSH TQ1356000

Miscellaneous

Appearance:

Colorless to light-colored, viscous liquid with a mild, hydrocarbon odor. NIOSH TQ1356000
First-Aid:

Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH TQ1356000
Exposure Routes:

inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH TQ1356000
Symptoms:

Irritation eyes; chloracne; liver damage; reproductive effects; [potential occupational carcinogen] NIOSH TQ1356000
Target Organs:

Skin, eyes, liver, reproductive system Cancer Site [in animals: tumors of the pituitary gland & liver, leukemia] NIOSH TQ1356000
Incompatibility:

Strong oxidizers NIOSH TQ1356000

Personal Protection:

Exposure Limits:

NIOSH REL*: Ca TWA 0.001 mg/m 3 See Appendix A [*Note: The REL also applies to other PCBs.] OSHA PEL : TWA 1 mg/m 3 [skin] NIOSH TQ1356000

Retention Index (Kovats):

2087 (estimated with error: 72) NIST Spectra mainlib_291883, replib_372374, replib_334702, replib_80795

1937.1 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 50 m; Column type: Capillary; Start T: 200 C; CAS no: 2437798; Active phase: OV-101; Data type: Kovats RI; Authors: Krupcik, J.; Leclercq, P.A.; Simova, A.; Suchanek, P.; Collak, M.; Hrivnak, J., Possibilities and limitations of capillary gas chromatography and mass spectrometry in the analysis of polychlorinated biphenyls, J. Chromatogr., 119, 1976, 271-283.) NIST Spectra nist ri

1917.2 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 50 m; Column type: Capillary; Start T: 180 C; CAS no: 2437798; Active phase: OV-101; Data type: Kovats RI; Authors: Krupcik, J.; Leclercq, P.A.; Simova, A.; Suchanek, P.; Collak, M.; Hrivnak, J., Possibilities and limitations of capillary gas chromatography and mass spectrometry in the analysis of polychlorinated biphenyls, J. Chromatogr., 119, 1976, 271-283.) NIST Spectra nist ri

1927.3 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 50 m; Column type: Capillary; Start T: 190 C; CAS no: 2437798; Active phase: OV-101; Data type: Kovats RI; Authors: Krupcik, J.; Leclercq, P.A.; Simova, A.; Suchanek, P.; Collak, M.; Hrivnak, J., Possibilities and limitations of capillary gas chromatography and mass spectrometry in the analysis of polychlorinated biphenyls, J. Chromatogr., 119, 1976, 271-283.) NIST Spectra nist ri

1937.6 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 50 m; Column type: Capillary; Start T: 200 C; CAS no: 2437798; Active phase: OV-101; Data type: Kovats RI; Authors: Krupcik, J.; Leclercq, P.A.; Simova, A.; Suchanek, P.; Collak, M.; Hrivnak, J., Possibilities and limitations of capillary gas chromatography and mass spectrometry in the analysis of polychlorinated biphenyls, J. Chromatogr., 119, 1976, 271-283.) NIST Spectra nist ri

Retention Index (Normal Alkane):

1930.8 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 180 C; End T: 280 C; End time: 80 min; Start time: 22 min; CAS no: 2437798; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Zhang, Q.; Liang, X.; Chen, J.; Lu, P.; Yediler, A.; Kettrup, A., Correct identification of polychlorinated biphenyls in temperature-programmed GC with ECD detection, Anal. Bioanal. Chem., 374, 2002, 93-102.) NIST Spectra nist ri

1936.7 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 75 0C (2 min) ^ 15 0C/min -> 150 0C ^ 1.2 0C/min -> 300 0C; CAS no: 2437798; Active phase: RTX-5; Carrier gas: He; Phase thickness: 0.25 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

1953.6 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 57 0C (1 min) ^ 15 0C/min -> 130 0C (1 min) ^ 2.3 0C/min -> 270 0C (20 min); CAS no: 2437798; Active phase: DB-5; Data type: Normal alkane RI; Authors: Bernal, J.L.; del Nozal, M.J.; Atienza, J.; Jimenez, J.J., Multidetermination of PCBs and pesticides by use of a dual GC column-dual detector system, Chromatographia, 33(1/2), 1992, 67-76.) NIST Spectra nist ri

1935.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.15 mm; Column length: 50 m; Column type: Capillary; Description: 90 0C (3) ^ 30 0C/min -> 215 0C (40) ^ 5 0C/min -> 270 0C (22); CAS no: 2437798; Active phase: CP Sil 8 CB; Carrier gas: H2; Phase thickness: 0.3 um; Data type: Normal alkane RI; Authors: de Boer, J.; Dao, Q.T.; van Dortmond, R., Retention times of fifty one chlorobiphenyl congeners on seven narrow bore capillary columns coated with different stationary phases, J. Hi. Res. Chromatogr., 15, 1992, 249-255.) NIST Spectra nist ri

1944.3 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 70 C; End T: 255 C; CAS no: 2437798; Active phase: DB-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Schwartz, T.F.; Stalling, D.L., Chemometric comparison of polychlorinated biphenyl residues and toxicologically active polychlorinated biphenyl congeners in the eggs of Forster's terns (Sterna fosteri), Arch. Environ. Contam. Toxicol., 20, 1991, 183-199.) NIST Spectra nist ri

1951 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 70 0C (2 min) ^ 10 0C/min (6 min) ^ 2 0C/min -> 250 0C; CAS no: 2437798; Active phase: Apolane; Carrier gas: He; Data type: Normal alkane RI; Authors: Bush, B.; Murphy, M.J.; Connor, S.; Snow, J.; Barnard, E., Improvements in Glass Capillary Gas Chromatographic Polychlorobiphenyl Analysis, J. Chromatogr. Sci., 23, 1985, 509-515.) NIST Spectra nist ri

1986 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.30 mm; Column length: 40 m; Column type: Capillary; Start T: 180 C; CAS no: 2437798; Active phase: Apiezon L; Carrier gas: H2; Data type: Normal alkane RI; Authors: Ballschmiter, K.; Zell, M., Analysis of polychlorinated biphenyls (PCB) by glass capillary gas chromatography, Fresenius Z. Anal. Chem., 302, 1980, 20-31.) NIST Spectra nist ri

Retention Index (Linear):

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density:	1.4±0.1 g/cm³
Boiling Point:	342.7±37.0 °C at 760 mmHg
Vapour Pressure:	0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization:	56.3±3.0 kJ/mol
Flash Point:	160.3±23.9 °C
Index of Refraction:	1.612
Molar Refractivity:	70.4±0.3 cm³
#H bond acceptors:	0
#H bond donors:	0
#Freely Rotating Bonds:	1
#Rule of 5 Violations:	1

ACD/LogP:	6.10
ACD/LogD (pH 5.5):	5.94
ACD/BCF (pH 5.5):	19319.74
ACD/KOC (pH 5.5):	40691.73
ACD/LogD (pH 7.4):	5.94
ACD/BCF (pH 7.4):	19319.74
ACD/KOC (pH 7.4):	40691.73
Polar Surface Area:	0 Å²
Polarizability:	27.9±0.5 10^-24cm³
Surface Tension:	44.9±3.0 dyne/cm
Molar Volume:	202.5±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) =  6.34
    Log Kow (Exper. database match) =  6.29
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  359.51  (Adapted Stein & Brown method)
    Melting Pt (deg C):  122.32  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.45E-006  (Modified Grain method)
    VP  (exp database):  8.63E-05 mm Hg at 25 deg C
    Subcooled liquid VP: 0.000792 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.05808
       log Kow used: 6.29 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.7 mg/L (25 deg C)
        Exper. Ref:  GRIFFIN,RA & CHOU,SFJ (1981)
     Water Sol (Exper. database match) =  0.0541 mg/L (22 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
     Water Sol (Exper. database match) =  0.277 mg/L (20 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.032245 mg/L
    Wat Sol (Exper. database match) =  0.70
       Exper. Ref:  GRIFFIN,RA & CHOU,SFJ (1981)
    Wat Sol (Exper. database match) =  0.05
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
    Wat Sol (Exper. database match) =  0.28
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.25E-004  atm-m3/mole
   Group Method:   2.23E-004  atm-m3/mole
   Exper Database: 1.90E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.590E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.29  (exp database)
  Log Kaw used:  -1.853  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  8.143
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.1211
   Biowin2 (Non-Linear Model)     :   0.0001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7275  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.7651  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0825
   Biowin6 (MITI Non-Linear Model):   0.0023
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.3456
 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):  0.106 Pa (0.000792 mm Hg)
  Log Koa (Koawin est  ): 8.143
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.84E-005 
       Octanol/air (Koa) model:  3.41E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00103 
       Mackay model           :  0.00227 
       Octanol/air (Koa) model:  0.00272 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.8134 E-12 cm3/molecule-sec
      Half-Life =    13.150 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00165 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4.482E+004
      Log Koc:  4.651 

 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 = 4.763 (BCF = 5.798e+004)
       log Kow used: 6.29 (expkow database)

 Volatilization from Water:
    Henry LC:  0.00019 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      7.009  hours
    Half-Life from Model Lake :      219.7  hours   (9.156 days)

 Removal In Wastewater Treatment:
    Total removal:              93.08  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.21  percent
    Total to Air:                0.10  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.317           257          1000       
   Water     1.14            4.32e+003    1000       
   Soil      47.3            8.64e+003    1000       
   Sediment  51.2            3.89e+004    0          
     Persistence Time: 9.02e+003 hr

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More details:

Experimental Boiling Point:

Experimental Vapor Pressure:

Experimental Freezing Point:

Experimental Solubility:

Appearance:

First-Aid:

Exposure Routes:

Symptoms:

Target Organs:

Incompatibility:

Personal Protection:

Exposure Limits:

Chemical Class:

Retention Index (Kovats):

Retention Index (Normal Alkane):

Retention Index (Linear):

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