Molekula
Terephthaloyl chloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
Terephthaloyl chloride is a reactive organic compound used primarily in the synthesis of polyesters and polyamides, particularly in the production of high-performance polymers. It is a white crystalline solid with a pungent odor. CAS: 100-20-9, Molecular formula: C8H4Cl2O2, Molecular weight: 203.02 g/mol. Store at ambient temperature. Hazardous: signal word Danger. Molekula supplies Terephthaloyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 89965983
- CAS Number
- 100-20-9
- IUPAC Name
- benzene-1,4-dicarbonyl chloride
- EC Number
- 202-829-5
- Molecular Formula
- C8H4Cl2O2
- Molecular Weight
- 203.02
- Exact Mass
- 201.9588
- SMILES
- C1=CC(=CC=C1C(=O)Cl)C(=O)Cl
- InChIKey
- LXEJRKJRKIFVNY-UHFFFAOYSA-N
- InChI
- InChI=1S/C8H4Cl2O2/c9-7(11)5-1-2-6(4-3-5)8(10)12/h1-4H
- PubChem CID
- 7488
Synonyms
- 1,4-Benzenedicarbonyl chloride
- 1,4-BENZENEDICARBONYL DICHLORIDE
- 1,4-phthaloyl dichloride
- p-Phenylenedicarbonyl dichloride
- p-Phthaloyl chloride
- p-Phthaloyl dichloride
- Terephthalic acid dichloride
- Terephthalic dichloride
- Terephthaloyl dichloride
- Terephthalyl dichloride
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Colorless needles
- Melting Point
- 79.5-84 °C
- Boiling Point
- 264 °C
- Solubility (other solvents)
- Soluble in ether
- Vapour Pressure
- 320 Pa at 20 °C
Source: PubChem CID 7488 (HSDB, ICSC)
Frequently asked questions
What is terephthaloyl chloride used for?
It is primarily used in the synthesis of polyesters and polyamides, particularly in the production of high-performance aramid polymers such as poly(p-phenylene terephthalamide) (Kevlar/Twaron).
What is the chemical formula and molecular weight of terephthaloyl chloride?
The formula is C8H4Cl2O2 with a molecular weight of 203.02 g/mol.
How should terephthaloyl chloride be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible materials.
What grade of terephthaloyl chloride does Molekula supply?
Molekula supplies technical grade terephthaloyl chloride, suitable for industrial and research applications.
Can Molekula supply terephthaloyl chloride in bulk?
Yes, Molekula can supply terephthaloyl chloride in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a terephthaloyl chloride order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
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Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.