2,3-Dichloro-1,4-naphthoquinone
2,3-Dichloro-1,4-naphthoquinone (CAS: 117-80-6), also known as Dichlon, is an organic compound with the molecular formula C10H4Cl2O2 and a molecular weight of 227.04 g/mol. This naphthoquinone derivative is recognised for its applications as a chemical intermediate and building block in organic synthesis. Its chemical structure lends itself to various reactions, making it a valuable component in the development of more complex molecules for research and industrial purposes.
- IUPAC
- Dichlon
- Synonyms
- 117-80-6C10H4Cl2O2Dichlon

Chemical Synthesis Intermediate
2,3-Dichloro-1,4-naphthoquinone serves as a key intermediate in the synthesis of diverse organic compounds. Its reactive chlorine atoms and quinone functionality allow for its incorporation into complex molecular architectures.
Organic Building Block
As a versatile organic building block, Dichlon is utilized in the preparation of various chemical entities. It provides a reactive framework for constructing novel chemical structures in research and development settings.
Research and Development
This compound finds application in academic and industrial research laboratories. It is employed in studies exploring new synthetic pathways and the development of novel materials or active pharmaceutical ingredients.
| Molecular weight | 227.04 |
|---|---|
| Empirical formula | C10H4Cl2O2 |
| Assay | 98% |
| Melting point | 194-197 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36/38-50/53 |
| Safety statements (S) | 26-60-61 |
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 2,3-Dichloro-1,4-naphthoquinone used for?
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2,3-Dichloro-1,4-naphthoquinone (CAS: 117-80-6) is primarily used as a chemical intermediate and a building block in organic synthesis for research and development purposes.
What is the CAS number and formula for 2,3-Dichloro-1,4-naphthoquinone?
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The CAS number is 117-80-6, and the empirical formula is C10H4Cl2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dichloro-1,4-naphthoquinone with an assay of 98%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 2,3-Dichloro-1,4-naphthoquinone be handled?
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Handle 2,3-Dichloro-1,4-naphthoquinone with appropriate personal protective equipment, including a dust mask type N95, eyeshields, face shields, and gloves. It is classified as harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and is very toxic to aquatic life with long-lasting effects (H410). Ensure good ventilation and avoid release to the environment.
Is 2,3-Dichloro-1,4-naphthoquinone a controlled substance?
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The provided data does not indicate that 2,3-Dichloro-1,4-naphthoquinone is a controlled substance.
How is 2,3-Dichloro-1,4-naphthoquinone packed and shipped?
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This compound is shipped under UN 2811, Hazard Class 6.1 (Toxic substances), Packing Group III. Specific packaging details for export can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 2,3-Dichloro-1,4-naphthoquinone, please contact our sales department through the website or via direct enquiry, providing your specific requirements.
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