Methyl 2,5-dichlorobenzoate
Methyl 2,5-dichlorobenzoate (CAS: 2905-69-3) is an organic ester with a molecular weight of 205.04 g/mol. This compound serves as a valuable building block in chemical synthesis, particularly in the development of specialised polymers and as a reagent in academic research. Its properties make it suitable for applications requiring specific aromatic ester functionalities.
- Synonyms
- Cl2C6H3CO2CH3

Polymer Synthesis
Methyl 2,5-dichlorobenzoate has been utilised as a starting reagent in the synthesis of poly(p-phenylene), a class of conductive polymers.
Microbial Degradation Studies
The compound has been employed in studies investigating microorganisms capable of degrading methyl benzoate and similar aromatic esters, such as Burkholderia cepacia.
Organic Synthesis Intermediate
As a functionalised aromatic ester, it is a useful intermediate for introducing specific structural motifs in the synthesis of more complex organic molecules.
| Molecular weight | 205.04 |
|---|---|
| Linear formula | Cl2C6H3CO2CH3 |
| Assay | 99% |
| Application | Methyl 2,5-dichlorobenzoate was used as starting reagent in the synthesis of poly(p-phenylene)1. It was used in isolation of microorganism degrading methyl benzoate, Burkholderia cepacia and its ability to degrade different methyl aromatic esters2. |
| Melting point | 37-40 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Methyl 2,5-dichlorobenzoate used for?
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Methyl 2,5-dichlorobenzoate is used as a starting reagent in the synthesis of poly(p-phenylene) and in studies of microbial degradation of aromatic esters.
What are the CAS number and molecular formula for Methyl 2,5-dichlorobenzoate?
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The CAS number is 2905-69-3. Its linear formula is Cl2C6H3CO2CH3, and its molecular weight is 205.04 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 2,5-dichlorobenzoate with an assay of 99%. It is supplied for technical and research purposes and is not represented as USP, BP, or EP grade.
What are the safety considerations for handling Methyl 2,5-dichlorobenzoate?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The flash point is above 113 °C. Consult the Safety Data Sheet for full details.
How is Methyl 2,5-dichlorobenzoate packaged and shipped?
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Tech Serve Solutions, as a global supplier and exporter of fine chemicals, packages and ships Methyl 2,5-dichlorobenzoate according to international regulations for chemical transport.
How can I request a quote or sample?
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Please contact our sales department via the website or direct inquiry to request a quote or a sample of Methyl 2,5-dichlorobenzoate.
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