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1,2,3-Trichlorobenzene

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1,2,3-Trichlorobenzene Basic information
1,2,3-Trichlorobenzene Chemical Properties
  • Melting point:51-53 °C (lit.)
  • Boiling point:218-219 °C (lit.)
  • Density 1,69 g/cm3
  • vapor density 6.25 (vs air)
  • vapor pressure 0.07 mm Hg ( 25 °C)
  • refractive index 1.5693 (estimate)
  • Flash point:260 °F
  • storage temp.  0-6°C
  • solubility 0.02g/l
  • form neat
  • color White crystals or platelets
  • explosive limit2.5-6.6%(V)
  • Water Solubility INSOLUBLE
  • Merck 14,9630
  • BRN 956882
  • Henry's Law Constant8.36, 10.3, 13.2, 20.6, and 26.5 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME, Dewulf et al., 1999)
  • CAS DataBase Reference87-61-6(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzene, 1,2,3-trichloro-(87-61-6)
  • EPA Substance Registry System1,2,3-Trichlorobenzene (87-61-6)
Safety Information
  • Hazard Codes Xn,T,N
  • Risk Statements 22-36/37/38-38-39/23/24/25-23/24/25-52/53-51/53
  • Safety Statements 36/37-26-45-61-36
  • RIDADR UN 3077 9/PG 3
  • WGK Germany 3
  • RTECS DC2095000
  • Autoignition Temperature1059 °F
  • TSCA Yes
  • HazardClass 9
  • PackingGroup III
  • HS Code 29036990
  • Hazardous Substances Data87-61-6(Hazardous Substances Data)
  • ToxicityLC50 2,177 to 3,084 μg/L (soil porewater concentration) for earthworm (Eisenia andrei) and 2,540 to 3,084 μg/L (soil porewater concentration) for earthworm (Lumbricus rubellus) (Van Gestel and Ma, 1993).
MSDS
1,2,3-Trichlorobenzene Usage And Synthesis
  • Chemical PropertiesWhite crystalline
  • UsesOrganic intermediate.
  • General DescriptionA white solid with a sharp chlorobenzene odor. Insoluble in water and denser than water. Hence sinks in water. Melting point 63-64°C (145-147°F).
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile1,2,3-Trichlorobenzene can react with oxidizing agents. . May emit toxic hydrogen chloride and phosgene gases in fire.
  • Health HazardInhalation may cause irritation of respiratory tract. Irritating to the eyes. May redden skin on contact. Ingestion may cause liver damage.
  • Environmental FateBiological. Under aerobic conditions, soil microbes are capable of degrading 1,2,3- trichlorobenzene to 1,2- and 1,3-dichlorobenzene and carbon dioxide (Kobayashi and Rittman, 1982). A mixed culture of soil bacteria or a Pseudomonas sp. transformed 1,2,3-trichlorobenzene to 2,3,4-, 3,4,5-, and 2,3,6-trichlorophenol (Ballschiter and Scholz, 1980).
    In an enrichment culture derived from a contaminated site in Bayou d’Inde, LA, 1,2,3- trichlorobenzene underwent reductive dechlorination to 1,2- and 1,3-dichlorobenzene at relative molar yields of 1 and 99%, respectively. The maximum dechlorination rate, based on the recommended Michaelis-Menten model, was 60 nM/d (Pavlostathis and Prytula, 2000).
    Photolytic. The sunlight irradiation of 1,2,3-trichlorobenzene (20 g) in a 100-mL borosilicate glass-stoppered Erlenmeyer flask for 56 d yielded 32 ppm pentachlorobiphenyl (Uyeta et al., 1976).
    Chemical/Physical. At 70.0 °C and pH values of 3.07, 7.13, and 9.80, the hydrolysis half-lives were calculated to be 19.2, 15.0, and 34.4 d, respectively (Ellington et al., 1986). Emits toxic chloride fumes when heated to decomposition.
  • Purification MethodsCrystallise it from EtOH. [Beilstein 5 IV 664.]
1,2,3-Trichlorobenzene Preparation Products And Raw materials
1,2,3-Trichlorobenzene(87-61-6)Related Product Information
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