3-Formyl-4-hydroxybenzoic acid
3-Formyl-4-hydroxybenzoic acid (CAS: 584-87-2, C8H6O4) is a valuable organic compound with a molecular weight of 166.13 g/mol. It is characterised by the presence of both an aldehyde and a carboxylic acid group, alongside a hydroxyl substituent on a benzene ring. This trifunctional structure makes it a versatile intermediate. It is commonly employed in organic synthesis and as a building block for more complex molecules, particularly within the chemical and pharmaceutical research sectors.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic molecules. Its aldehyde, hydroxyl, and carboxylic acid functionalities allow for various chemical transformations.
Pharmaceutical Research
Utilised in the development of novel pharmaceutical compounds and drug discovery programmes. Its structure can be incorporated into potential therapeutic agents.
Material Science Research
Can be used in the synthesis of polymers or functional materials where its specific chemical groups are advantageous.
| Molecular weight | 166.13 |
|---|---|
| Empirical formula | C8H6O4 |
| Assay | 97% |
| Melting point | 246-250 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/38 |
| Safety statements (S) | 26-36/37 |
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-Formyl-4-hydroxybenzoic acid used for?
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3-Formyl-4-hydroxybenzoic acid is primarily used as an intermediate in organic synthesis and in pharmaceutical research for the development of new compounds.
What are the CAS number and formula for 3-Formyl-4-hydroxybenzoic acid?
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The CAS number is 584-87-2 and the molecular formula is C8H6O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Formyl-4-hydroxybenzoic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Formyl-4-hydroxybenzoic acid be handled safely?
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Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, faceshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. This compound is classified as harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, and causes serious eye irritation.
How is 3-Formyl-4-hydroxybenzoic acid packed and exported?
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This chemical is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote?
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To request a sample or a quote for 3-Formyl-4-hydroxybenzoic acid, please contact our sales team through the website or by phone.
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