2,6-Dichloro-1,4-benzoquinone
2,6-Dichloro-1,4-benzoquinone (CAS 697-91-6) is a yellow crystalline solid with a molecular weight of 176.98 g/mol. This organic compound serves as a valuable building block in chemical synthesis, particularly in the production of speciality chemicals and research materials. Its diketone structure facilitates various chemical reactions, making it a useful reagent in organic chemistry laboratories.
- Synonyms
- 697-91-6C6H2Cl2O2

Organic Synthesis Intermediate
2,6-Dichloro-1,4-benzoquinone is employed as a precursor in the synthesis of more complex organic molecules. Its reactive sites allow for diverse chemical transformations, enabling the creation of novel compounds for research and development.
Research and Development
This compound is utilised in laboratory settings for R&D purposes, contributing to the exploration of new chemical pathways and material properties. Its availability supports academic and industrial research initiatives.
Building Block for Fine Chemicals
The molecule acts as a fundamental building block in the fine chemical industry. It is incorporated into synthetic routes for speciality chemicals where its specific structural features are required.
| Molecular weight | 176.98 |
|---|---|
| Empirical formula | C6H2Cl2O2 |
| Assay | 98% |
| Melting point | 122-124 °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 2,6-Dichloro-1,4-benzoquinone used for?
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2,6-Dichloro-1,4-benzoquinone is primarily used as a building block in organic synthesis and for research and development purposes in laboratories.
What are the CAS number and formula for 2,6-Dichloro-1,4-benzoquinone?
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The CAS number for 2,6-Dichloro-1,4-benzoquinone is 697-91-6, and its empirical formula is C6H2Cl2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dichloro-1,4-benzoquinone with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 2,6-Dichloro-1,4-benzoquinone?
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This compound is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.
How is 2,6-Dichloro-1,4-benzoquinone packed and exported?
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2,6-Dichloro-1,4-benzoquinone is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 2,6-Dichloro-1,4-benzoquinone?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements.
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