3,5-Difluorophenylhydrazine hydrochloride
3,5-Difluorophenylhydrazine hydrochloride (CAS: 134993-88-7) is a fluorinated organic compound with a molecular weight of 180.58 g/mol. As a substituted hydrazine derivative, it serves as a valuable building block in organic synthesis. Its structure, featuring a difluorinated phenyl ring and a hydrazine moiety, makes it useful for introducing specific functionalities in the development of novel molecules, particularly within pharmaceutical and agrochemical research.
- Synonyms
- F2C6H3NHNH2 · HCl

Organic Synthesis Intermediate
This compound acts as a key intermediate in the synthesis of more complex organic molecules. The presence of fluorine atoms and the hydrazine group allows for diverse chemical transformations.
Pharmaceutical Research
Utilised as a building block in the discovery and development of new pharmaceutical agents, where fluorinated moieties can enhance drug properties like metabolic stability and binding affinity.
Agrochemical Development
Applied in the creation of novel pesticides and herbicides, leveraging the unique properties imparted by the difluorophenylhydrazine structure.
Material Science
Can be employed in the synthesis of functional materials where specific electronic or physical properties are desired due to the fluorinated aromatic system.
| Molecular weight | 180.58 |
|---|---|
| Linear formula | F2C6H3NHNH2 · HCl |
| Assay | 97% |
| Melting point | 261-266 °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 3,5-Difluorophenylhydrazine hydrochloride used for?
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3,5-Difluorophenylhydrazine hydrochloride is primarily used as a building block in organic synthesis, particularly in pharmaceutical and agrochemical research for creating novel fluorinated compounds.
What are the CAS number and formula for 3,5-Difluorophenylhydrazine hydrochloride?
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The CAS number is 134993-88-7 and the linear formula is F₂C₆H₃NHNH₂ · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Difluorophenylhydrazine hydrochloride with a minimum purity of 97%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 3,5-Difluorophenylhydrazine hydrochloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation to avoid inhalation of dust. Refer to the Safety Data Sheet for comprehensive handling information.
What are the main hazards associated with this chemical?
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This compound is classified with the GHS07 symbol, indicating a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
Does TSS export 3,5-Difluorophenylhydrazine hydrochloride?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3,5-Difluorophenylhydrazine hydrochloride.
How can I request a quote or sample?
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To request a quote or a sample of 3,5-Difluorophenylhydrazine hydrochloride, please visit the Tech Serve Solutions website or contact our sales team directly through the provided contact details.
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