Ethyl 5-methylsalicylate
Ethyl 5-methylsalicylate (CAS 34265-58-2), with the chemical formula CH3C6H3(OH)CO2C2H5 and a molecular weight of 180.20 g/mol, is a versatile organic ester. It serves as a valuable building block in chemical synthesis, particularly within the C10 to C11 carbon range. Its characteristic ester and phenolic functional groups lend themselves to various reactions and applications in organic chemistry research and development.
- IUPAC
- Ethyl 2-hydroxy-5-methylbenzoate

Organic Synthesis Intermediate
Ethyl 5-methylsalicylate is a key intermediate in the synthesis of more complex organic molecules. Its structure allows for diverse chemical transformations, making it useful in research and development settings for creating novel compounds.
Building Block for Fine Chemicals
As an organic building block, this compound contributes to the construction of various fine chemicals. It is utilized in academic and industrial laboratories for exploratory chemical research and the development of new materials.
Research and Development
The compound finds application in R&D laboratories exploring new synthetic routes and chemical methodologies. Its presence in catalogues of carbonyl compounds and esters highlights its utility for chemists.
| Molecular weight | 180.20 |
|---|---|
| Linear formula | CH3C6H3(OH)CO2C2H5 |
| Assay | 98% |
| Boiling point | 251 °C(lit.) |
| Density | 1.103 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.522(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 37 °C / 98.6 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/21/22-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 Ethyl 5-methylsalicylate used for?
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Ethyl 5-methylsalicylate is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and chemical formula for Ethyl 5-methylsalicylate?
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The CAS number is 34265-58-2, and the chemical formula is CH3C6H3(OH)CO2C2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 5-methylsalicylate with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Ethyl 5-methylsalicylate be handled safely?
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Ethyl 5-methylsalicylate is a flammable liquid and vapour (H226), and is harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). It also causes skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including safety goggles, gloves, and respiratory protection, should be used. Handle in a well-ventilated area away from ignition sources.
Is Ethyl 5-methylsalicylate a controlled substance?
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Based on the provided data, Ethyl 5-methylsalicylate is not indicated as a controlled substance. However, customers should verify local regulations.
How is Ethyl 5-methylsalicylate packed, shipped, and exported?
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Ethyl 5-methylsalicylate is shipped according to UN 3272 3 / PGIII regulations. Tech Serve Solutions, as a global supplier, handles international shipping and export procedures.
How can I request a quote or sample of Ethyl 5-methylsalicylate?
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To request a quote or sample, please contact our sales department through the website or by phone, providing the product name and CAS number.
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