4,5-Dichlorophthalic acid

CAS 56962-08-4Cl2C6H2-1,2-(CO2H)2Polymer Science

4,5-Dichlorophthalic acid (CAS: 56962-08-4) is a halogenated aromatic dicarboxylic acid with a molecular weight of 235.02 g/mol. It serves as a valuable building block and intermediate in organic synthesis, particularly within materials science and polymer chemistry. Its structure lends itself to the development of specialised polymers and advanced materials, contributing to innovative research and development across various chemical disciplines.

Synonyms: Cl2C6H2-1,2-(CO2H)2

Email us

4,5-Dichlorophthalic acid (Cl2C6H2-1,2-(CO2H)2) — chemical structure, CAS 56962-08-4; Materials Science, fine chemical supplied by Tech Serve Solutions

Carboxylic Acid MonomersMaterials ScienceMonomersPolymer Science

01 /Applications

Polymer Synthesis

4,5-Dichlorophthalic acid can be employed as a monomer in the synthesis of polyesters and polyamides. Its incorporation into polymer backbones can impart specific properties such as flame retardancy or increased thermal stability.

Organic Intermediates

As a functionalised aromatic compound, it serves as an intermediate in the synthesis of more complex organic molecules. Its reactivity allows for further derivatisation in multi-step synthetic pathways.

Materials Science Research

This compound finds use in materials science for the development of novel materials with tailored characteristics. Its chemical structure is amenable to creating speciality polymers and functional materials.

02 /Properties

Molecular weight	235.02
Linear formula	Cl2C6H2-1,2-(CO2H)2
Assay	99%
Melting point	198-200 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

56962-08-4

MDL number

MFCD00002493

PubChem substance

24850831

Beilstein registry

1877706

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 4,5-Dichlorophthalic acid used for?

4,5-Dichlorophthalic acid is primarily used as a monomer in polymer synthesis and as an intermediate in organic chemistry, particularly in materials science and polymer science research.

What is the CAS number and chemical formula for 4,5-Dichlorophthalic acid?

The CAS number for 4,5-Dichlorophthalic acid is 56962-08-4. The linear formula is Cl2C6H2-1,2-(CO2H)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4,5-Dichlorophthalic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.

How should 4,5-Dichlorophthalic acid be handled?

Handle 4,5-Dichlorophthalic acid with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes.