1,2-Naphthoquinone
1,2-Naphthoquinone (CAS: 524-42-5), also known as β-Naphthoquinone, is an organic compound with the molecular formula C10H6O2 and a molecular weight of 158.15 g/mol. This chemical serves as a valuable building block in organic synthesis and is recognised for its role in cell biology research. Its quinone structure makes it a reactive intermediate for various chemical transformations.
- IUPAC
- β-Naphthoquinone
- Synonyms
- β-Naphthoquinone1,2-Naphthalenedione

Organic Synthesis Intermediate
1,2-Naphthoquinone is utilised as a key building block in the synthesis of more complex organic molecules. Its reactive quinone functionality allows for diverse chemical modifications and the construction of novel carbon skeletons.
Research in Cell Biology
This compound is employed in cell biology studies, potentially investigating cellular processes or signalling pathways. Its bioactive nature suggests interactions within biological systems.
Chemical Reagent
As a carbonyl compound, 1,2-Naphthoquinone can act as a reagent in various chemical reactions, contributing to advancements in synthetic chemistry and materials science.
| Molecular weight | 158.15 |
|---|---|
| Empirical formula | C10H6O2 |
| Assay | 97% |
| Melting point | 139-142 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PTPRC(5788) |
|---|
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 1,2-Naphthoquinone used for?
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1,2-Naphthoquinone (CAS: 524-42-5) is primarily used as a building block in organic synthesis and in research within cell biology. It also serves as a chemical reagent.
What are the CAS number and formula for 1,2-Naphthoquinone?
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The CAS number for 1,2-Naphthoquinone is 524-42-5, and its empirical formula is C10H6O2. The molecular weight is 158.15 g/mol.
What grade and purity does Tech Serve Solutions supply for 1,2-Naphthoquinone?
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Tech Serve Solutions supplies 1,2-Naphthoquinone with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeia standards.
How should 1,2-Naphthoquinone be handled safely?
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1,2-Naphthoquinone is harmful if swallowed, causes skin irritation, serious eye irritation, and may cause respiratory irritation (H302, H315, H319, H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Ensure good ventilation. In case of contact with eyes, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is 1,2-Naphthoquinone a controlled substance?
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The provided data does not indicate that 1,2-Naphthoquinone is a controlled substance.
How is 1,2-Naphthoquinone packed and shipped?
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1,2-Naphthoquinone is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for 1,2-Naphthoquinone?
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To request a quote or a sample of 1,2-Naphthoquinone, please contact our sales team through the website or by phone.
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