3,5-Dihydroxy-2-naphthoic acid
3,5-Dihydroxy-2-naphthoic acid (CAS 89-35-0) is an organic compound with the molecular formula (HO)2C10H5CO2H and a molecular weight of 204.18 g/mol. This naphthalene derivative features two hydroxyl groups and a carboxylic acid moiety, positioning it as a valuable building block in organic synthesis. It is frequently utilised in the development of more complex organic molecules, serving as a key intermediate in various chemical processes.
- Synonyms
- (HO)2C10H5CO2H

Organic Synthesis Intermediate
3,5-Dihydroxy-2-naphthoic acid serves as a fundamental building block in the synthesis of diverse organic compounds. Its functional groups allow for various chemical transformations, making it a versatile reagent in multi-step synthetic routes.
Research and Development
This compound is employed in research laboratories for exploring novel chemical reactions and developing new materials. Its structure lends itself to applications in areas such as dye chemistry and the creation of functional organic molecules.
Specialty Chemical Production
As a carboxylic acid derivative of naphthalene, it finds application in the production of niche specialty chemicals where its specific structural features are required for target molecule synthesis.
| Molecular weight | 204.18 |
|---|---|
| Linear formula | (HO)2C10H5CO2H |
| Assay | 97% |
| Melting point | 275-280 °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 3,5-Dihydroxy-2-naphthoic acid used for?
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3,5-Dihydroxy-2-naphthoic acid is primarily used as a building block and intermediate in organic synthesis and in chemical research and development for creating more complex organic molecules.
What are the CAS number and formula for 3,5-Dihydroxy-2-naphthoic acid?
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The CAS number is 89-35-0, and the linear formula is (HO)2C10H5CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dihydroxy-2-naphthoic acid with an assay of 97%. We do not represent this product as meeting any specific pharmacopoeia standards such as USP, BP, or EP unless explicitly stated in the product specifications.
How should 3,5-Dihydroxy-2-naphthoic acid be handled?
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Handle 3,5-Dihydroxy-2-naphthoic acid with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It may cause skin irritation, serious eye irritation, and respiratory irritation (H315, H319, H335). Avoid breathing dust. Ensure adequate ventilation.
Is 3,5-Dihydroxy-2-naphthoic acid a controlled substance?
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The provided data does not indicate that 3,5-Dihydroxy-2-naphthoic acid is a controlled substance.
How is 3,5-Dihydroxy-2-naphthoic acid packed and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Products are carefully packed according to international shipping regulations to ensure safe transport and export worldwide.
How can I request a sample or quote for 3,5-Dihydroxy-2-naphthoic acid?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through the website or by calling our customer service. Please specify the CAS number 89-35-0 when making your request.
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