Ethyl 2,5-dihydroxybenzoate
Ethyl 2,5-dihydroxybenzoate (CAS: 3943-91-7) is an organic compound with the linear formula (HO)₂C₆H₃CO₂CH₂CH₃ and a molecular weight of 182.17 g/mol. As a key building block in chemical synthesis, it features ester and dihydroxy functionalities, making it valuable for the preparation of more complex molecules. Its applications are primarily within research and development sectors of organic chemistry and materials science.
- Synonyms
- (HO)2C6H3CO2CH2CH3

Organic Synthesis Intermediate
Utilised as a versatile intermediate in the synthesis of complex organic molecules, leveraging its dihydroxy and ester functional groups for various chemical transformations.
Building Block for Fine Chemicals
Serves as a fundamental building block in the fine chemical industry for the development of novel compounds with specific properties.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic pathways and material properties.
| Molecular weight | 182.17 |
|---|---|
| Linear formula | (HO)2C6H3CO2CH2CH3 |
| Assay | 97% |
| Melting point | 77-81 °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 Ethyl 2,5-dihydroxybenzoate used for?
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Ethyl 2,5-dihydroxybenzoate is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What is the CAS number and formula for Ethyl 2,5-dihydroxybenzoate?
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The CAS number is 3943-91-7 and the linear formula is (HO)₂C₆H₃CO₂CH₂CH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 2,5-dihydroxybenzoate with an assay of 97%. This product is intended for research and technical applications and is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety concerns when handling Ethyl 2,5-dihydroxybenzoate?
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Ethyl 2,5-dihydroxybenzoate can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment including a dust mask (type N95), eyeshields, and gloves should be used.
How is Ethyl 2,5-dihydroxybenzoate shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Ethyl 2,5-dihydroxybenzoate, adhering to all relevant international shipping regulations.
How can I request a sample or quote for Ethyl 2,5-dihydroxybenzoate?
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Please contact our sales team directly through our website or by phone to request a sample or a quotation for Ethyl 2,5-dihydroxybenzoate.
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