3-Ethoxysalicylaldehyde
3-Ethoxysalicylaldehyde (CAS: 492-88-6) is an organic compound with the formula C2H5OC6H3-2-(OH)CHO and a molecular weight of 166.17 g/mol. This chemical intermediate is a valuable building block in organic synthesis. Its structure, featuring both an aldehyde and a hydroxyl group along with an ethoxy substituent on the aromatic ring, allows for diverse chemical transformations. It is commonly employed in the research and development of new molecules across various scientific disciplines.

Organic Synthesis Intermediate
3-Ethoxysalicylaldehyde serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive functional groups facilitate various chemical reactions, making it useful in the development of novel compounds.
Research and Development
This compound is utilised in laboratory settings for research purposes, particularly in academic and industrial R&D departments exploring new synthetic pathways and target molecules.
Building Block Chemistry
As a functionalized aromatic aldehyde, it is an important building block for chemists creating libraries of compounds or pursuing specific molecular architectures in drug discovery and materials science.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | C2H5OC6H3-2-(OH)CHO |
| Assay | 97% |
| Boiling point | 263-264 °C(lit.) |
| Melting point | 66-68 °C(lit.) |

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) | 26-36 |
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-Ethoxysalicylaldehyde used for?
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3-Ethoxysalicylaldehyde is primarily used as an intermediate in organic synthesis and for research and development purposes in laboratories.
What are the CAS number and chemical formula for 3-Ethoxysalicylaldehyde?
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The CAS number for 3-Ethoxysalicylaldehyde is 492-88-6, and its chemical formula is C2H5OC6H3-2-(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethoxysalicylaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling 3-Ethoxysalicylaldehyde?
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3-Ethoxysalicylaldehyde is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is 3-Ethoxysalicylaldehyde packaged and exported?
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Tech Serve Solutions securely packages chemicals for safe transport and exports globally, adhering to international shipping regulations.
How can I request a sample or quote for 3-Ethoxysalicylaldehyde?
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To request a sample or quote, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels, providing your specific requirements.
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