2-Fluorophenylhydrazine hydrochloride
2-Fluorophenylhydrazine hydrochloride (CAS: 2924-15-4) is a fluorinated organic compound with the molecular formula FC6H4NHNH2·HCl and a molecular weight of 162.59 g/mol. As a key building block, it is primarily utilised in chemical synthesis, particularly for the preparation of diverse heterocyclic compounds such as pyrazole derivatives. Its specific chemical structure makes it valuable in organic synthesis research and development.

Synthesis of Pyrazole Derivatives
2-Fluorophenylhydrazine hydrochloride serves as a crucial starting material in the synthesis of various pyrazole derivatives. These heterocyclic compounds are of significant interest in medicinal chemistry and materials science.
Organic Synthesis Intermediate
This compound functions as a versatile intermediate in organic chemistry. Its reactivity allows for its incorporation into complex molecular structures, facilitating the development of novel organic molecules.
Building Block for Fluorinated Compounds
As an aryl fluorinated building block, it is employed in the introduction of fluorine atoms into organic molecules, a process valuable for modifying the properties of pharmaceuticals and agrochemicals.
| Molecular weight | 162.59 |
|---|---|
| Linear formula | FC6H4NHNH2 · HCl |
| Assay | 97% |
| Application | 2-Fluorophenylhydrazine hydrochloride was used in the preparation of pyrazole derivatives1. |
| Melting point | 200-205 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Fluorophenylhydrazine hydrochloride used for?
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2-Fluorophenylhydrazine hydrochloride is primarily used as an intermediate in organic synthesis, notably for the preparation of pyrazole derivatives and other fluorinated organic compounds.
What are the CAS number and molecular formula for 2-Fluorophenylhydrazine hydrochloride?
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The CAS number is 2924-15-4, and its linear formula is FC6H4NHNH2·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluorophenylhydrazine hydrochloride with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Fluorophenylhydrazine hydrochloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, and respiratory irritation.
Is 2-Fluorophenylhydrazine hydrochloride a controlled substance?
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The provided data does not indicate that 2-Fluorophenylhydrazine hydrochloride is a controlled substance.
How is 2-Fluorophenylhydrazine hydrochloride packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all relevant safety and regulatory standards.
How can I request a quote or sample for 2-Fluorophenylhydrazine hydrochloride?
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Please contact our sales team directly via phone or email to request a quote or to arrange for a sample of 2-Fluorophenylhydrazine hydrochloride.
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