3-Ethoxybenzoic acid
3-Ethoxybenzoic acid (CAS 621-51-2), a carboxylic acid with the formula C2H5OC6H4CO2H and a molecular weight of 166.17 g/mol, serves as a valuable intermediate in organic synthesis. Its structure, featuring both an ethoxy group and a carboxyl group on a benzene ring, allows for diverse chemical transformations. This compound is typically utilised in research and development settings for the creation of more complex molecules, including pharmaceuticals and fine chemicals.

Organic Synthesis Intermediate
3-Ethoxybenzoic acid is a key building block for synthesizing a wide array of organic compounds. Its functional groups enable participation in esterification, amidation, and other reactions crucial for developing novel chemical entities.
Pharmaceutical Research
The compound finds application in the early stages of drug discovery and development. It can be incorporated into the synthesis pathways of potential therapeutic agents, contributing to the development of new pharmaceuticals.
Material Science
As a functionalised aromatic compound, 3-Ethoxybenzoic acid may be employed in the development of speciality polymers or advanced materials where its specific chemical properties are advantageous.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | C2H5OC6H4CO2H |
| Assay | 97% |
| Melting point | 136-140 °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-Ethoxybenzoic acid used for?
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3-Ethoxybenzoic acid is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and development for creating complex molecules.
What is the CAS number and chemical formula for 3-Ethoxybenzoic acid?
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The CAS number for 3-Ethoxybenzoic acid is 621-51-2, and its chemical formula is C2H5OC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethoxybenzoic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Ethoxybenzoic acid be handled?
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Handle 3-Ethoxybenzoic acid with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for full handling and safety information.
Is 3-Ethoxybenzoic acid a controlled substance?
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Based on the provided data, 3-Ethoxybenzoic acid is not listed as a controlled or scheduled substance.
How is 3-Ethoxybenzoic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Ethoxybenzoic acid, adhering to all relevant shipping and export regulations.
How can I request a quote or sample for 3-Ethoxybenzoic acid?
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Please contact our sales team directly through our website or provide your details for a prompt quote or sample request.
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