3-Fluorobenzoic hydrazide
3-Fluorobenzoic hydrazide (CAS 499-55-8), with the linear formula FC₆H₄CONHNH₂, is a fluorinated organic building block with a molecular weight of 154.14 g/mol. This compound serves as a valuable intermediate in organic synthesis, particularly in the preparation of heterocyclic compounds and novel pharmaceutical agents. Its specific structural features allow for diverse chemical transformations, making it a useful component in the development of new chemical entities and materials.

Organic Synthesis Intermediate
3-Fluorobenzoic hydrazide is utilised as a key building block in multi-step organic syntheses. Its reactive hydrazide group and fluorinated aromatic ring enable the construction of complex molecular architectures.
Pharmaceutical Research
This compound finds application in medicinal chemistry for the development of new drug candidates. The introduction of fluorine can significantly influence a molecule's pharmacokinetic and pharmacodynamic properties.
Heterocyclic Chemistry
The molecule is employed in the synthesis of various heterocyclic systems, which are prevalent scaffolds in many biologically active compounds and functional materials.
| Molecular weight | 154.14 |
|---|---|
| Linear formula | FC6H4CONHNH2 |
| Assay | 97% |
| Melting point | 139-143 °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-Fluorobenzoic hydrazide used for?
+
3-Fluorobenzoic hydrazide is primarily used as an intermediate in organic synthesis, particularly for the preparation of pharmaceuticals and heterocyclic compounds. It is a valuable building block in chemical research and development.
What is the CAS number and formula for 3-Fluorobenzoic hydrazide?
+
The CAS number for 3-Fluorobenzoic hydrazide is 499-55-8, and its linear formula is FC₆H₄CONHNH₂.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Fluorobenzoic hydrazide with a minimum purity of 97% (assay). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 3-Fluorobenzoic hydrazide be handled safely?
+
3-Fluorobenzoic hydrazide is classified with Warning as a GHS signal word, with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used. Handle in a well-ventilated area.
Is 3-Fluorobenzoic hydrazide a controlled substance?
+
The provided data does not indicate that 3-Fluorobenzoic hydrazide (CAS 499-55-8) is a controlled substance.
How is 3-Fluorobenzoic hydrazide packed, shipped, and exported?
+
Tech Serve Solutions expertly packs, ships, and exports fine chemicals globally. Specific packaging details are available upon request, ensuring compliance with international shipping regulations.
How can I request a sample or quote for 3-Fluorobenzoic hydrazide?
+
To request a sample or quote for 3-Fluorobenzoic hydrazide, please contact our sales team via the website or direct inquiry. Our specialists will promptly assist with your requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis