1,2,4-Trichlorbenzol Produkt Beschreibung

1,2,4-Trichlorobenzene Struktur
120-82-1
  • CAS-Nr.120-82-1
  • Bezeichnung:1,2,4-Trichlorbenzol
  • Englisch Name:1,2,4-Trichlorobenzene
  • Synonyma:1,2,4-Trichlorbenzol;1,2,4-Trichlorbenzen;unsym-Trichlorbenzol;1,2,4-TCB
    ai3-07775;1.2.4-Tric;1,2,4TrichL;Hipochem GM;hostetexl-pec;Hostetex l-pec;Trojchlorobenzen;as-trichlorobenzene;1,2,4-Trichlorobenze;1,2,4-Trichlorbenzol
  • CBNumber:CB8852926
  • Summenformel:C6H3Cl3
  • Molgewicht:181.45
  • MOL-Datei:120-82-1.mol
1,2,4-Trichlorbenzol physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :16 °C(lit.)
  • Siedepunkt: :214 °C(lit.)
  • Dichte :1.454 g/mL at 25 °C(lit.)
  • Dampfdichte :>6 (vs air)
  • Dampfdruck :1 mm Hg ( 40 °C)
  • Brechungsindex :n20/D 1.571(lit.)
  • Flammpunkt: :>230 °F
  • storage temp.  :2-8°C
  • Löslichkeit :water: insoluble
  • Aggregatzustand :Liquid
  • Farbe :Clear
  • Geruch (Odor) :Characteristic aromatic odor
  • Explosionsgrenze :6.6%, 150°F
  • Wasserlöslichkeit :INSOLUBLE
  • maximale Wellenlänge (λmax) :λ: 308 nm Amax: 1.00
    λ: 310 nm Amax: 0.50
    λ: 350 nm Amax: 0.05
    λ: 375-400 nm Amax: 0.01
  • Merck  :14,9631
  • BRN  :956819
  • Henry's Law Constant :0.997 at 20.0 °C (wetted-wall column, ten Hulscher et al., 1992) 1.24, 2.27, 2.58, 3.06, and 3.90 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME, Dewulf et al., 1999)
  • Expositionsgrenzwerte :NIOSH REL: TWA ceiling 5 ppm (40 mg/m3); ACGIH TLV: ceiling 5 ppm (adopted).
  • Stabilität: :Stable. Incompatible with strong oxidizing agents. Combustible.
  • CAS Datenbank :120-82-1(CAS DataBase Reference)
  • NIST chemische Informationen :Benzene, 1,2,4-trichloro-(120-82-1)
  • EPA chemische Informationen :1,2,4-Trichlorobenzene (120-82-1)
Sicherheit

1,2,4-Trichlorobenzene Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSE FLüSSIGKEITODER WEISSE KRISTALLE MIT CHARAKTERISTISCHEM GERUCH.
  • CHEMISCHE GEFAHREN Zersetzung beim Verbrennen unter Bildung giftiger Rauche mit Chlorwasserstoff. Reagiert sehr heftig mit Oxidationsmitteln.
  • ARBEITSPLATZGRENZWERTE TLV: 5 ppm; (als STEL, ceiling); (ACGIH 2005).
    EG Arbeitsplatz-Richtgrenzwerte: (als TWA) 2 ppm, 15.1 mg/m? (als STEL) 5 ppm, 37.8 mg/m? Hautresorption; (EU 2003).
    MAK: Hautresorption; Krebserzeugend Kategorie 3B; (DFG 2006).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation, über die Haut und durch Verschlucken.
  • INHALATIONSGEFAHREN Beim Verdampfen bei 20°C tritt langsam eine gesundheitsschädliche Kontamination der Luft ein; viel schneller jedoch beim Versprühen oder Dispergieren.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Die Substanz reizt die Augen, die Haut und die Atemwege.
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Die Flüssigkeit entfettet die Haut. Möglich sind Auswirkungen auf die Leber.
  • LECKAGE Ausgelaufene Flüssigkeit möglichst in abdichtbaren Behältern sammeln. Reste mit Sand oder inertem Absorptionsmittel aufnehmen und an einen sicheren Ort bringen. Verschüttetes Material in abdichtbaren Behältern sammeln., wenn in festem Zustand. NICHT in die Umwelt gelangen lassen. Persönliche Schutzausrüstung: Atemschutzfilter für organische Gase und Dämpfe.
  • R-Sätze Betriebsanweisung: R22:Gesundheitsschädlich beim Verschlucken.
    R38:Reizt die Haut.
    R50/53:Sehr giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
    R52/53:Schädlich für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
    R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
    R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
    R11:Leichtentzündlich.
  • S-Sätze Betriebsanweisung: S23:Gas/Rauch/Dampf/Aerosol nicht einatmen(geeignete Bezeichnung(en) vom Hersteller anzugeben).
    S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
    S60:Dieses Produkt und sein Behälter sind als gefährlicher Abfall zu entsorgen.
    S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
  • Beschreibung Trichlorobenzenes (TCBs) are synthetic chemicals that occur in three different isomeric forms. The three chlorinated cyclic aromatic isomers are 1,2,3-trichlorobenzene (1,2,3-TCB), 1,2,4-trichlorobenzene (1,2,4-TCB), and 1,3,5-trichlorobenzene (1,3,5-TCB). 1,2,4-TCB is one of the 188 chemicals designated as a hazardous air pollutant under the Clean Air Act.
  • Chemische Eigenschaften Colorless, stable liquid; odor similar to that of o-dichlorobenzene. Miscible with most organic solvents and oils; insoluble in water. Combustible.
  • Chemische Eigenschaften 1,2,4-Trichlorobenzene is a low-melting solid or liquid with a pleasant, aromatic odor. The Odor Threshold is 1.4 ppm.
  • Physikalische Eigenschaften Colorless liquid with an odor similar to o-dichlorobenzene. Odor threshold concentration is 1.4 (quoted, Amoore and Hautala, 1983).
  • Verwenden Trichlorobenzenes are primarily used as solvents in chemical manufacturing industries. 1,2,4-Trichlorobenzene is economically the most important isomer. 1,2,4-Trichlorobenzene is used as a solvent in chemical reactions to dissolve oils, waxes, and resins. Furthermore, it is also used as a dye carrier. 1,2,3- Trichlorobenzene is used as an intermediate for pesticides production, pigments, and dyes. 1,3,5-Trichlorobenzene is not marketed commercially and has very limited use as a chemical intermediate. Besides, trichlorobenzenes can also be used as degreasing agents, as septic tanks and drain cleaners, and as an ingredient in wood preservatives and abrasive formulations. Other minor uses include metal work, anticorrosive paint, and corrosion inhibitor in sprays. In the past, mixed isomers of trichlorobenzenes were used to control termites; however, their use has been discontinued.
  • Verwenden 1,2,4-Trichlorobenzene is used as a dielectric and heat transfer fluid in transformers. It acts as an intermediate, degreaser, wood preservative and solvent for dye. It is a high-temperature solvent used in gel permeation chromatography, especially for polyethylene and polypropylene. Further, it is used as a lubricant and as a synthetic transformer oil.
  • Verwenden 1,2,4-Trichlorobenzene is a solvent in various organic chemical reactions.
  • Definition ChEBI: A trichlorobenzene with chloro substituents at positions 1, 2 and 4.
  • Synthesis Reference(s) Journal of the American Chemical Society, 74, p. 3890, 1952 DOI: 10.1021/ja01135a052
  • Allgemeine Beschreibung Colorless liquid or white solid with a sharp chlorobenzene odor. Melting point 16.95°C (62.5°F) .
  • Reaktivität anzeigen 1,2,4-Trichlorobenzene can react vigorously with oxidizing materials . Yields hydrogen chloride and phosgene when heated to decomposition [USCG, 1999].
  • Health Hazard Exposures to high concentrations via inhalation are potentially hazardous to the lungs, kidneys and liver. Prolonged or repeated exposures or short exposure to high concentrations via inhalation are potentially hazardous to the lungs, kidneys and liver. Prolonged or repeated exposure to the eyes is likely to result in moderate pain and transient irritation. Prolonged or repeated contact with the skin may result in moderate irritation and possible systemic effects. Ingestion: May cause kidney and liver damage.
  • Sicherheitsprofil Poison by ingestion. Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. Mutation data reported. A slan irritant. Combustible when exposed to heat or flame. Can react vigorously with oxidizing materials. To fight fire, use water, foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORINATED HYDROCARBONS, AROMATIC.
  • mögliche Exposition 1,2,4-Trichlorobenzene is used as a dye carrier, herbicide intermediate; a heat transfer medium; a dielectric fluid in transformers; a degreaser; a lubricant; as an industrial chemical; solvent, emulsifier, and as a potential insecticide against termites. The other trichlorobenzene isomers are not used in any quantity.
  • Environmental Fate Biological. Under aerobic conditions, biodegradation products may include 1,2-dichlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene, and carbon dioxide (Kobayashi and Rittman, 1982). A mixed culture of soil bacteria or a Pseudomonas sp. transformed 1,2,4-trichlorobenzene to 2,4,5- and 2,4,6-trichlorophenol (Ballschiter and Scholz, 1980). When 1,2,4- trichlorobenzene was statically incubated in the dark at 25 °C with yeast extract and settled domestic wastewater inoculum, significant biodegradation occurred, with gradual acclimation followed by a deadaptive process in subsequent subcultures. At a concentration of 5 mg/L, 54, 70, 59, and 24% losses were observed after 7, 14, 21, and 28-d incubation periods, respectively. At a concentration of 10 mg/L, only 43, 54, 14, and 0% were observed after 7, 14, 21, and 28-d incubation periods, respectively (Tabak et al., 1981). In activated sludge, <0.1% mineralized to carbon dioxide after 5 d (Freitag et al., 1985).
    In an enrichment culture derived from a contaminated site in Bayou d’Inde, LA, 1,2,4- trichlorobenzene underwent reductive dechlorination to 1,3- and 1,4-dichlorobenzene at relative molar yields of 4 and 96%, respectively. The maximum dechlorination rate, based on the recommended Michaelis-Menten model, was 4.6 nM/d (Pavlostathis and Prytula, 2000).
    Surface Water. Estimated half-lives of 1,2,4-trichlorobenzene (0.5 μg/L) from an experimental marine mesocosm during the spring (8–16 °C), summer (20–22 °C), and winter (3–7 °C) were 22, 11, and 12 d, respectively (Wakeham et al., 1983).
    Photolytic. A carbon dioxide yield of 9.8% was achieved when 1,2,4-trichlorobenzene adsorbed on silica gel was irradiated with light (λ >290 nm) for 17 h (Freitag et al., 1985).
    Chemical/Physical. The hydrolysis half-life was estimated to be >900 yr (Ellington et al., 1988). At 70.0 °C and pH values of 3.10, 7.11, and 9.77, the hydrolysis half-lives were calculated to be 18.4, 6.6, and 5.9 d, respectively (Ellington et al., 1986).
    At influent concentrations of 1.0, 0.1, 0.01, and 0.001 mg/L, the GAC adsorption capacities were 157, 77.6, 38.4, and 19.0 mg/g, respectively (Dobbs and Cohen, 1980).
  • Versand/Shipping UN2321 Trichlorobenzenes, liquid, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
  • läuterung methode Separate it from a mixture of isomers by washing with fuming H2SO4, then water, drying with CaSO4 and slowly fractionally distilling. [Jensen et al. J Am Chem Soc 81 3303 1959, Beilstein 5 IV 664.]
  • Toxicity evaluation The liver is themain target of trichlorobenzenes irrespective of the route of exposure. The mechanisms of liver toxicity induced by these chemicals have not been illustrated. It might involve intermediate arene oxides formed during initial transformation to trichlorophenols. In addition, exposure to 1,2,4-TCB induced porphyria in rats by inducing daminolevulinic acid (ALA) synthetase, a rate-limiting enzyme in the biosynthesis of heme, and also heme oxygenase, a ratelimiting enzyme in the degradation of heme synthetase, and therefore increasing heme production.
  • Inkompatibilitäten Reacts violently with oxidants, acids, acid fumes; steam.
  • Waste disposal Incineration, preferably after mixing with another combustible fuel. Care must be exercised to assure complete combustion to prevent the formation of phosgene. An acid scrubber is necessary to remove the halo acids produced.
1,2,4-Trichlorobenzene Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
1,2,4-Trichlorbenzol Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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120-82-1, 1,2,4-Trichlorobenzene Verwandte Suche:
  • trojchlorobenzen(polish)
  • UNSYM-TRICHLOROBENZENE
  • Trichlorobenzene, 1,2,4-? Trichlorobenzol
  • TRICHLOROBENZENE124-,,
  • 1,2,4-TRICHLOROBENZENE SINGLE COMPONENT STANDARD FOR EPA
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  • 1,2,4-TRICHLOROBENZENE GC STANDARD
  • 1,2,4-Trichlorobenzene,Certified
  • 1,2,4-TrichlorobenzeneForSynthesis
  • TRICHLOROBENZEN MIXTURE
  • mixtureofisomeres/Benzotrichloride
  • 1,2,4-Trichlorbenzene
  • 1,2,4-Trichlorobenzene, reagent grade
  • 1.2.4-Trichlorobenzene 1g [120-82-1]
  • 1.2.4-Trichlorobenzene 10g [120-82-1]
  • 1,2,4-Trichlorobenze
  • 1,2,4-Trichlorobenzene, pure, 99%
  • 1,2,4-Trichlorobenzene&nbsp
  • 1,2,4-Trichlorobenzene, 99%, pure
  • 1,2,4-Trichlorobenzene, 99% 1LT
  • 1,2,4-Trichlorobenzene, 99% 2.5LT
  • 1,2,4-trichlorobenzene solution
  • 1,2,4-trichlorobenzene, spectrophotometric grade
  • 1,2,4-Trichlorobenzene standard in Methanol
  • 1,2,5-Trichlorobenzene solution
  • 1,2,4-Trichlorobenzene, SuperDry, J&KSeal
  • 1,2,4-Trichlorobenzene, Reagent, ACS
  • 1,2,4Trichlorobenzene, 99%, SpcDry, with Molecular sieves, Water≤50 ppM (by K.F.), SpcSeal
  • 1.2.4-Tric
  • 1,2,4-TrichlorobenzeneyDry
  • 1,2,4-Trichlorobenzenee
  • 1,2,4TrichL
  • Anagrelide Impurity 8
  • 1,2,4-trichloro-benzen
  • 1,2,4-trichlorobenzene(tcb)
  • 1,2,4-Trichlorobenzol
  • 1,2,5-Trichlorobenzene
  • 1,3,4-Trichlorobenzene
  • ai3-07775
  • as-trichlorobenzene
  • Benzene,1,2,4-trichloro-
  • Hipochem GM
  • Hostetex l-pec
  • hostetexl-pec
  • Trojchlorobenzen
  • 1,2,4-Trichlorbenzol
  • 1,2,4-TRICHLOROBENZENE HPLC GRADE
  • 1,2,4-TRICHLOROBENZENE, 99+%, SPECTROPHO TOMETRIC GRADE
  • 1,2,4-Trichlorobenzene, Spectrophotometric Grade, 99% min
  • 1,2,4-Trichlorobenzene (1mg/ml in Methanol) [for Water Analysis]
  • 1,2,4-Trichlorobenzene
  • 1,2,4-Trichlorobenzene, Spectrophotometric Grade Min
  • 1,2,4-Trichlorobenzene Standard