1,7-Dihydroxynaphthalene
1,7-Dihydroxynaphthalene (CAS 575-38-2) is an organic compound with the molecular formula C10H6(OH)2 and a molecular weight of 160.17 g/mol. This dihydroxynaphthalene derivative serves as a valuable building block in organic synthesis and chemical research. It is typically utilised in the development of more complex molecules and materials, finding applications within various chemical sectors.
- IUPAC
- 1,7-Naphthalenediol
- Synonyms
- 1,7-NaphthalenediolNaphthalene-1,7-diol

Organic Synthesis Intermediate
1,7-Dihydroxynaphthalene acts as a precursor or intermediate in the synthesis of various organic compounds. Its reactive hydroxyl groups allow for further functionalisation, making it useful in creating novel molecular structures.
Research and Development
This compound is employed in laboratory settings for research purposes, including the exploration of new chemical reactions and the development of novel materials. Its defined structure makes it a reliable component in experimental chemistry.
Dye and Pigment Synthesis
Naphthalene derivatives, including dihydroxynaphthalenes, have historically been used in the synthesis of dyes and pigments. 1,7-Dihydroxynaphthalene can potentially be incorporated into the structural backbone of chromophores.
| Molecular weight | 160.17 |
|---|---|
| Linear formula | C10H6(OH)2 |
| Assay | 97% |
| Melting point | 180-184 °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 |
|---|---|
| Flash point | 252 °C / 485.6 °F |
| Water hazard class (WGK, DE) | 2 |
| 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 1,7-Dihydroxynaphthalene primarily used for?
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1,7-Dihydroxynaphthalene is primarily used as a building block in organic synthesis and for research and development purposes in chemical laboratories. It can also be an intermediate in the synthesis of dyes and pigments.
What is the CAS number and molecular formula for 1,7-Dihydroxynaphthalene?
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The CAS number for 1,7-Dihydroxynaphthalene is 575-38-2, and its molecular formula is C10H6(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,7-Dihydroxynaphthalene with a minimum purity of 97%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should 1,7-Dihydroxynaphthalene be handled safely?
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1,7-Dihydroxynaphthalene is classified as a skin, eye, and respiratory irritant (H315, H319, H335). When handling, use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure good ventilation and avoid dust formation. Refer to the safety data sheet for comprehensive guidance.
Is 1,7-Dihydroxynaphthalene a controlled substance?
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The provided data does not indicate that 1,7-Dihydroxynaphthalene is a controlled substance.
How is 1,7-Dihydroxynaphthalene packed and exported by TSS?
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Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping regulations. Products are carefully packed to ensure safe transit.
How can I request a quote or sample of 1,7-Dihydroxynaphthalene?
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To request a quote or sample, please contact our sales team through the website or by phone. Provide the product name (1,7-Dihydroxynaphthalene) and CAS number (575-38-2) for prompt service.
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