Terephthaloyl Chloride | 100-20-9

Cas No :

100-20-9

Form :

Solid

Molecular Weight :

203.01 G/Mol

Molecular Formula :

C8H4CL2O2 

Boiling Point :

279 °C

Melting Point :

125 °C

Flash Point :

170 °C

Solubility :

Soluble In Chlorinated Solvents; Insoluble In Water; Reacts With Water To Release Hcl

Description :

Overview of Terephthaloyl Chloride

 

Terephthaloyl Chloride is an aromatic diacyl chloride used as a monomer in polymer synthesis, particularly for producing high-performance aramid fibres and polyesters. Known for its reactivity in polycondensation reactions and role in creating advanced materials, Terephthaloyl Chloride is widely used in manufacturing speciality polymers, liquid crystal polymers, and high-performance fibres.

This compound appears as a white to pale yellow crystalline solid. Its two acyl chloride groups in the para position on the benzene ring provide an ideal geometry for forming linear polymers with excellent properties.

Related products include Isophthaloyl Chloride, Dichloroacetyl Chloride, Phthalic Anhydride, and other aromatic diacyl chlorides used in polymer synthesis.

 

 

Applications of Terephthaloyl Chloride

 

Polymer Production

 

  • Used in synthesising aramid fibres (Kevlar, Twaron)
  • Applied in producing liquid crystal polymers (LCP)
  • Used in manufacturing high-performance polyesters
  • Applied in producing speciality polymers

 

Industrial Chemical Synthesis

 

  • Used in polycondensation reactions
  • Applied in preparing polymer intermediates
  • Used in manufacturing speciality chemicals
  • Applied in producing performance materials

 

Advanced Materials Development

 

  • Used in producing heat-resistant materials
  • Applied in developing high-strength fibres
  • Used in manufacturing protective materials

 

 

Safety & Handling Guidelines

 

  • HIGHLY REACTIVE and CORROSIVE—extreme caution required
  • Reacts violently with water, releasing HCl
  • LACHRYMATORY—severe eye and respiratory irritant
  • Use only in a well-ventilated fume hood with containment
  • Wear full PPE, including acid-resistant gloves, face shield
  • Handle under strictly anhydrous conditions
  • Store in tightly sealed containers under an inert atmosphere
  • Keep away from all moisture sources, alcohols, and amines
  • Have emergency procedures immediately available
  • Follow COA and MSDS instructions strictly

 

 

Where to Buy Terephthaloyl Chloride?

 

Terephthaloyl Chloride Manufacturer

 

ChemicalBull supplies high-purity Terephthaloyl Chloride for polymer production and industrial applications.

 

Terephthaloyl Chloride Supplier & Distributor

 

  • Available in bulk quantities for polymer and industrial use
  • High-purity anhydrous grade (98%, 99%)
  • Special moisture-resistant packaging under inert gas
  • COA, MSDS, and comprehensive safety documentation provided

 

MSDS

 

Includes comprehensive reactivity warnings, corrosivity information, and emergency procedures.

 

 

Frequently Asked Questions (FAQs)

 

  1. What is Terephthaloyl Chloride used for?

    Used primarily in synthesising aramid fibres (Kevlar), liquid crystal polymers, high-performance polyesters, and advanced engineering materials.

  2. What is the molecular formula?

    Molecular formula: C₈H₄Cl₂O₂ with molecular weight 203.02 g/mol.

  3. What polymers are made from Terephthaloyl Chloride?

    Poly(p-phenylene terephthalamide) - Kevlar/Twaron aramid fibres; liquid crystal polymers (LCP); speciality polyesters; high-performance materials.