3,5-Dichloro-1,2-diaminobenzene
3,5-Dichloro-1,2-diaminobenzene (CAS: 5233-04-5) is an organic compound with the molecular formula C6H6Cl2N2 and a molecular weight of 177.03 g/mol. This dichlorinated aromatic diamine serves as a valuable building block in organic synthesis. It is typically employed in the development of more complex molecules, including pharmaceuticals and agrochemicals, leveraging its reactive amine functionalities and the presence of chlorine substituents for further chemical transformations.
- IUPAC
- 3,5-Dichloro-1,2-phenylenediamine
- Synonyms
- 5233-04-5C6H6Cl2N23,5-Dichloro-1,2-phenylenediamine

Organic Synthesis Intermediate
Used as a foundational component in the synthesis of complex organic molecules. Its structure allows for diverse chemical reactions, making it a versatile intermediate in multi-step synthetic pathways.
Pharmaceutical Research
A key building block in the research and development of novel pharmaceutical compounds. Its diamine structure can be incorporated into various heterocyclic systems or used as a precursor for active pharmaceutical ingredients.
Agrochemical Development
Employed in the synthesis of potential agrochemical agents. The presence of chlorine atoms can influence the biological activity and properties of the final compounds.
Material Science Precursor
Can be utilized in the development of specialised polymers or materials where its aromatic and amine characteristics are beneficial for creating specific material properties.
| Molecular weight | 177.03 |
|---|---|
| Empirical formula | C6H6Cl2N2 |
| Assay | 97% |
| Melting point | 60-65 °C |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 3,5-Dichloro-1,2-diaminobenzene used for?
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3,5-Dichloro-1,2-diaminobenzene is primarily used as a building block in organic synthesis, particularly in the research and development of pharmaceuticals, agrochemicals, and potentially in material science.
What are the CAS number and molecular formula for 3,5-Dichloro-1,2-diaminobenzene?
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The CAS number for 3,5-Dichloro-1,2-diaminobenzene is 5233-04-5, and its molecular formula is C6H6Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Dichloro-1,2-diaminobenzene with an assay of 97%. This product is suitable for laboratory and research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,5-Dichloro-1,2-diaminobenzene be handled safely?
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Handling requires caution. It is a Warning substance (GHS07) that can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use in a well-ventilated area, wear appropriate personal protective equipment, and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet for comprehensive guidance.
How is 3,5-Dichloro-1,2-diaminobenzene packed and shipped?
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Tech Serve Solutions exports this chemical globally, adhering to all relevant shipping regulations. Packaging is designed to ensure product integrity and safety during transit.
How can I request a sample or quote for 3,5-Dichloro-1,2-diaminobenzene?
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To request a sample or a quote, please contact our sales team through the website or by phone. Specify the required quantity and your delivery location.
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