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Terephthaloyl chloride

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Terephthaloyl chloride Basic information
Terephthaloyl chloride Chemical Properties
  • Melting point:79-81 °C(lit.)
  • Boiling point:266 °C(lit.)
  • Density 1,34 g/cm3
  • vapor density 7 (vs air)
  • vapor pressure 0.02 mm Hg ( 25 °C)
  • refractive index 1.5684 (estimate)
  • Flash point:356 °F
  • storage temp. 2-8°C
  • solubility ethanol: 5%, clear
  • form flakes
  • PH<0.5 (H2O)
  • explosive limit1.5-8.9%(V)
  • Water Solubility REACTS
  • Sensitive Moisture Sensitive
  • BRN 607796
  • InChIKeyLXEJRKJRKIFVNY-UHFFFAOYSA-N
  • CAS DataBase Reference100-20-9(CAS DataBase Reference)
  • NIST Chemistry Reference1,4-Benzenedicarbonyl dichloride(100-20-9)
  • EPA Substance Registry System1,4-Benzenedicarbonyl dichloride (100-20-9)
Safety Information
MSDS
  • Language:EnglishProvider:TCl
  • Language:EnglishProvider:SigmaAldrich
  • Language:EnglishProvider:ACROS
  • Language:EnglishProvider:ALFA
Terephthaloyl chloride Usage And Synthesis
  • Chemical Propertieswhite crystalline flakes
  • UsesDyemanufacture; synthetic fibers, resins, films; UV absorption; pharmaceuticals; rubber chemicals; cross-linking agent for polyurethanes and polysulfides.
  • UsesTerephthaloyl chloride acts as a monomer with p-phenylenediamine used in the preparation of polymer viz. poly paraphenylene terephthalamide. It is an active component in performance polymers and aramid fibers, which gives flame resistance, chemical resistance, temperature stability, light weight, and very high strength. It is also used as an effective water scavenger, utilized to stabilize isocyanates and urethane prepolymers. Further, it is used in the preparation of liquid crystalline thermosets by thermal cyclotrimerization of dicyanate compounds of ring substituted bis(4-hydroxyphenyl) terepthalates. In addition to this, it is involved in the condensation reaction with difunctional alfa, μ-diaminopolystyrene to get chain-extended polystyrene containing amide bonds along the polymer backbone.
  • General Description
    Terephthaloyl chloride undergoes condensation reaction with difunctional α,ω-diaminopolystyrene to yield chain-extended polystyrene containing amide bonds along the polymer backbone. It undergoes interfacial reaction with bovine serum albumin to form thin cross-linked films.
  • HazardSkin irritant.
  • Safety ProfileModerately toxic by ingestion. Corrosive. Combustible when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES.
  • Purification MethodsCrystallise the acid chloride from dry hexane. [Beilstein 9 IV 3318.]
Terephthaloyl chloride Preparation Products And Raw materials
Terephthaloyl chloride(100-20-9)Related Product Information
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