2,6-Dihydroxybenzoic acid
2,6-Dihydroxybenzoic acid (CAS: 303-07-1) is an organic compound with a molecular formula of (HO)2C6H3CO2H and a molecular weight of 154.12 g/mol. Also known as γ-Resorcylic acid, this dihydroxybenzoic acid derivative functions as a versatile building block in chemical synthesis. It is supplied by Tech Serve Solutions as a reagent grade material, suitable for various laboratory and research applications.
- IUPAC
- γ-Resorcylic acid
- Synonyms
- (HO)2C6H3CO2Hγ-Resorcylic acid

Organic Synthesis Intermediate
2,6-Dihydroxybenzoic acid serves as a crucial intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Research and Development
This compound is utilised in research laboratories for exploring new chemical pathways and developing novel compounds. Its structure makes it valuable for studying reaction mechanisms.
Material Science
It can be employed in the development of specialised polymers or materials where its specific chemical properties are advantageous.
| Molecular weight | 154.12 |
|---|---|
| Linear formula | (HO)2C6H3CO2H |
| Assay | 98% |
| Grade | Vetec™ reagent grade |
| Melting point | 165 °C (dec.)(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
| 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 2,6-Dihydroxybenzoic acid used for?
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2,6-Dihydroxybenzoic acid is primarily used as a building block in organic synthesis and for research and development purposes in chemical laboratories.
What is the CAS number and chemical formula for 2,6-Dihydroxybenzoic acid?
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The CAS number is 303-07-1 and the linear chemical formula is (HO)2C6H3CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dihydroxybenzoic acid in Vetec™ reagent grade with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 2,6-Dihydroxybenzoic acid?
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This compound is classified as irritating to the eyes, skin, and respiratory system (H315-H319-H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid contact with skin, eyes, and clothing. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
Is 2,6-Dihydroxybenzoic acid a controlled substance?
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Based on the provided data, 2,6-Dihydroxybenzoic acid is not indicated as a controlled substance.
How is 2,6-Dihydroxybenzoic acid packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals with adherence to all relevant international and national regulations for chemical transport.
How can I request a quote or sample for 2,6-Dihydroxybenzoic acid?
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To request a quote or sample, please contact our sales department through the website or by phone, specifying the product name and CAS number.
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