Ethyl 3-hydroxybenzoate
Ethyl 3-hydroxybenzoate (CAS: 7781-98-8), with the molecular formula HOC6H4CO2C2H5 and a molar mass of 166.17 g/mol, is a valuable organic building block. It is a key intermediate in chemical synthesis, particularly for esters and carbonyl compounds. Its applications extend to the creation of specialized derivatives, contributing to advancements in various chemical research and development fields.

Organic Synthesis Intermediate
Ethyl 3-hydroxybenzoate serves as a crucial intermediate in the synthesis of complex organic molecules. Its ester and hydroxyl functionalities allow for diverse chemical transformations.
Preparation of Chiral Derivatives
This compound has been employed in the Mitsunobu reaction for the synthesis of chiral derivatives, such as ethyl 3-(2-methylbutyloxy)benzoate and related biphenyl compounds, facilitating stereoselective synthesis.
Building Block for Fine Chemicals
As a versatile building block, Ethyl 3-hydroxybenzoate is utilised in the construction of fine chemicals and pharmaceutical intermediates, enabling the development of new chemical entities.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | HOC6H4CO2C2H5 |
| Assay | ≥99.0% (GC) |
| Boiling point | 187-188 °C/31 mmHg(lit.) |
| Application | Ethyl 3-hydroxybenzoate has been used in the synthesis of chiral derivatives of ethyl 3-(2-methylbutyloxy)benzoate and 4-(2-methylbutyloxy)-4′-acetylbiphenyl, via Mitsunobu reaction1. |
| Melting point | 71-73 °C(lit.)71-73 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38 |
| Safety statements (S) | 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 3-hydroxybenzoate used for?
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Ethyl 3-hydroxybenzoate is primarily used as an intermediate in organic synthesis, particularly for the preparation of chiral derivatives and as a building block for fine chemicals and esters.
What is the CAS number and molecular formula for Ethyl 3-hydroxybenzoate?
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The CAS number for Ethyl 3-hydroxybenzoate is 7781-98-8, and its molecular formula is HOC6H4CO2C2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 3-hydroxybenzoate with an assay of ≥99.0% (GC). We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Ethyl 3-hydroxybenzoate be handled?
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Ethyl 3-hydroxybenzoate is classified as harmful if swallowed, causes skin irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Store in a well-ventilated place.
Is Ethyl 3-hydroxybenzoate a controlled substance?
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Based on the provided data, Ethyl 3-hydroxybenzoate is not listed as a controlled substance.
How can I request a quote or sample for Ethyl 3-hydroxybenzoate?
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To request a quote or sample for Ethyl 3-hydroxybenzoate, please contact our sales team via the website or by telephone. Our export team will manage your inquiry efficiently.
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