2,5-Dichlorophenylhydrazine hydrochloride
2,5-Dichlorophenylhydrazine hydrochloride (CAS 50709-35-8), a chemical compound with the linear formula Cl2C6H3NHNH2 · HCl and a molecular weight of 213.49 g/mol, serves as a valuable building block in organic synthesis. Its primary application lies in the creation of more complex molecules within research and development settings. This hydrazine derivative is supplied by Tech Serve Solutions for use in chemical synthesis studies, offering a purity of 98%.
- Synonyms
- 2,5-Dichlorophenylhydrazine hydrochloride2,5-Dichlorobenzenamine, hydrochloride (1:1)Hydrazine, (2,5-dichlorophenyl)-, hydrochloride

Organic Synthesis Intermediate
This compound is utilised as a key intermediate in the synthesis of various organic compounds. Its structure allows for further chemical modifications, making it useful in the development of novel molecules.
Research and Development
2,5-Dichlorophenylhydrazine hydrochloride is employed in laboratory research to explore new synthetic pathways and to investigate the properties of resulting chemical entities. It is a foundational reagent for R&D chemists.
Hydrazine Derivative Chemistry
As a member of the hydrazine family, this chemical is relevant for studies involving hydrazine chemistry and the functionalisation of aromatic rings with hydrazine moieties.
| Molecular weight | 213.49 |
|---|---|
| Linear formula | Cl2C6H3NHNH2 · HCl |
| Assay | 98% |
| Application | 2,5-Dichlorophenylhydrazine hydrochloride may be used in chemical synthesis studies. |
| Melting point | 208 °C (dec.)(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 / PGII |
| 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-Dichlorophenylhydrazine hydrochloride used for?
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2,5-Dichlorophenylhydrazine hydrochloride is primarily used as a building block in chemical synthesis and for research and development studies.
What is the CAS number and formula for 2,5-Dichlorophenylhydrazine hydrochloride?
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The CAS number is 50709-35-8 and the linear formula is Cl2C6H3NHNH2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dichlorophenylhydrazine hydrochloride with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2,5-Dichlorophenylhydrazine hydrochloride be handled safely?
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2,5-Dichlorophenylhydrazine hydrochloride is classified as Danger with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and respiratory protection, should be used. Always consult the Safety Data Sheet before handling.
Is 2,5-Dichlorophenylhydrazine hydrochloride exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,5-Dichlorophenylhydrazine hydrochloride.
How can I request a sample or quote for 2,5-Dichlorophenylhydrazine hydrochloride?
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Please contact our sales team directly via the website or telephone to request a sample or obtain a quotation for 2,5-Dichlorophenylhydrazine hydrochloride.
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