3-Chloro-4-ethoxybenzoic acid
3-Chloro-4-ethoxybenzoic acid (CAS 213598-15-3) is a halogenated aromatic carboxylic acid with the linear formula C<sub>9</sub>H<sub>9</sub>ClO<sub>3</sub> and a molecular weight of 200.62 g/mol. This compound serves as a valuable building block in organic synthesis, particularly in the development of new chemical entities and advanced materials. Its structure, featuring both a carboxylic acid group and a chlorinated ethoxybenzene moiety, allows for diverse chemical transformations.

Organic Synthesis Intermediate
3-Chloro-4-ethoxybenzoic acid is frequently employed as a key intermediate in multi-step synthetic pathways. Its functional groups enable reactions such as esterification, amidation, and further aromatic substitutions, facilitating the construction of complex organic molecules.
Pharmaceutical Research
This compound can be utilised in the research and development of novel pharmaceutical agents. Its specific structural features may be incorporated into drug candidates targeting various biological pathways.
Materials Science
The molecule's chemical architecture lends itself to applications in materials science, potentially as a monomer or precursor for polymers and specialised organic materials requiring specific electronic or physical properties.
| Molecular weight | 200.62 |
|---|---|
| Linear formula | CH3CH2OC6H3ClCO2H |
| Assay | 97% |
| Melting point | 211-215 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 3-Chloro-4-ethoxybenzoic acid used for?
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3-Chloro-4-ethoxybenzoic acid is primarily used as a building block in organic synthesis, including pharmaceutical research and materials science.
What is the CAS number and chemical formula for 3-Chloro-4-ethoxybenzoic acid?
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The CAS number is 213598-15-3, and the linear formula is C<sub>9</sub>H<sub>9</sub>ClO<sub>3</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-4-ethoxybenzoic acid with a minimum assay of 97%. This product is intended for laboratory and research purposes and is not represented as USP, EP, or BP grade.
What are the safety and handling precautions for 3-Chloro-4-ethoxybenzoic acid?
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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 if respiratory protection is needed. It is classified under WGK 3 in Germany, indicating a high hazard to water.
How is 3-Chloro-4-ethoxybenzoic acid packed and shipped?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures that 3-Chloro-4-ethoxybenzoic acid is appropriately packed and exported according to international regulations.
How can I request a quote or sample for 3-Chloro-4-ethoxybenzoic acid?
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To request a quote or a sample of 3-Chloro-4-ethoxybenzoic acid, please contact our sales department through the TSS website or your designated account manager.
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