2,5-Dichlorohydroquinone
2,5-Dichlorohydroquinone (CAS 824-69-1), with the linear formula Cl2C6H2(OH)2 and a molecular weight of 179.00, is a chlorinated organic compound. This chemical serves as a valuable building block in organic synthesis. Its structure, featuring two hydroxyl groups and two chlorine atoms on a benzene ring, makes it suitable for various chemical transformations and reactions in research and development settings.
- Synonyms
- Cl2C6H2(OH)2

Organic Synthesis Intermediate
Utilised as a precursor or intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical modifications.
Research and Development
A key reagent in laboratory settings for exploring new chemical pathways and developing novel compounds. Its specific substitution pattern can be exploited for targeted syntheses.
Material Science
Potential applications in the development of polymers or functional materials where its specific chemical properties can impart desired characteristics.
| Molecular weight | 179.00 |
|---|---|
| Linear formula | Cl2C6H2(OH)2 |
| Assay | 98% |
| Melting point | 168-171 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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 2,5-Dichlorohydroquinone used for?
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2,5-Dichlorohydroquinone (CAS 824-69-1) is primarily used as a building block and intermediate in organic synthesis and research and development.
What is the CAS number and formula for 2,5-Dichlorohydroquinone?
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The CAS number is 824-69-1 and the linear formula is Cl2C6H2(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dichlorohydroquinone with an assay of 98%. This is typically considered a technical or research grade, and we do not represent it as USP, BP, or EP grade.
What are the safety concerns when handling 2,5-Dichlorohydroquinone?
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This compound is classified as Danger, causing severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (e.g., N100 or P3 filters), must be used. Handle in a well-ventilated area.
How is 2,5-Dichlorohydroquinone packed, shipped, and exported?
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Products are carefully packed according to international shipping regulations. As a global supplier, Tech Serve Solutions exports chemicals worldwide, ensuring compliance with all relevant transport and customs requirements, including UN 3261 classification.
How can I request a sample or quote for 2,5-Dichlorohydroquinone?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements and contact details.
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