Description

4-Fluorophenylhydrazine hydrochloride (CAS No. 823-85-8) is a high-purity organic compound with the molecular formula C₆H₈ClFN₂. This white to off-white crystalline powder is a valuable reagent in synthetic chemistry, particularly in the preparation of heterocyclic compounds, pharmaceuticals, and agrochemicals. Its IUPAC name, (4-fluorophenyl)hydrazine;hydrochloride, reflects its structural specificity, featuring a fluorinated phenyl ring coupled with a hydrazine moiety. With a molecular weight of 162.59 g/mol, this compound is highly soluble in water and polar organic solvents, making it suitable for a wide range of reaction conditions. It is supplied with ≥98% purity (HPLC) and is rigorously tested for consistency, ensuring optimal performance in research and industrial applications. Proper storage at 2-8°C in a tightly sealed container is recommended to maintain stability.

Properties

• CAS Number: 823-85-8
• Complexity: 79.1
• IUPAC Name: (4-fluorophenyl)hydrazine;hydrochloride
• InChI: InChI=1S/C6H7FN2.ClH/c7-5-1-3-6(9-8)4-2-5;/h1-4,9H,8H2;1H
• InChI Key: FEKUXLUOKFSMRO-UHFFFAOYSA-N
• Exact Mass: 162.0360041
• Molecular Formula: C6H8ClFN2
• Molecular Weight: 162.59
• SMILES: C1=CC(=CC=C1NN)F.Cl
• Topological: 38.1
• Monoisotopic Mass: 162.0360041
• Synonyms: 4-Fluorophenylhydrazine hydrochloride, (4-Fluorophenyl)hydrazine hydrochloride, EINECS 254-990-6, 212-521-2, 220-886-4, 254-990-6, 823-85-8, 4-fluorophenylhydrazine hcl, 40594-35-2, (4-Fluorophenyl)hydrazine HCl, MFCD00012942, p-fluorophenylhydrazine hydrochloride, (4-fluorophenyl)hydrazine;hydrochloride, 1-(4-fluorophenyl)hydrazine hydrochloride, (4-fluorophenyl)hydrazine, hcl, Hydrazine, (4-fluorophenyl)-, monohydrochloride, (4-Fluorophenyl)hydrazine monohydrochloride, p-FLUOROPHENYLHYDRAZINE HCL, EINECS 212-521-2, (4-fluorophenyl)hydrazinehydrochloride, 4-fluorophenylhydrazine.HCl, SCHEMBL303900, 4-fluorophenylhydrazine HCl salt, CHEMBL4175125, 4-fluorophenylhydrazine, chloride, DTXSID40961005, (4-fluorophenyl)hydrazine HCl salt, 4-fluorophenyhydrazine hydrochloride, NSC75638, AC-445, NSC 75638, NSC-75638, SBB063152, 4-fluorophenyl hydrazine hydrochloride, p-fluorophenyl hydrazine hydrochloride, AKOS001476030, (4-fluorophenyl)hydrazine.hydrochloride, (p-Fluorophenyl)hydrazine hydrochloride, CS-W007861, FF00409, GS-6903, (4-fluorophenyl) hydrazine hydrochloride, (4-fluorophenyl)-hydrazine hydrochloride, (4-fluoro-phenyl) hydrazine hydrochloride, (4-fluoro-phenyl)-hydrazine hydrochloride, 4-fluorophenyl hydrazine hydrogen chloride, BP-10736, SY004780, 4-Fluorophenylhydrazine hydrochloride, 97%, DB-001297, DS-015952, F0246, ST50824831, EN300-20403, (4-fluoro-phenyl)-hydrazine hydrochloride salt, A21576, P16458, (4-Fluorophenyl)hydrazine–hydrogen chloride (1/1), F0001-2110

Application

4-Fluorophenylhydrazine hydrochloride is widely used as a key intermediate in the synthesis of fluorinated heterocycles, such as indoles and pyrazoles, which are pivotal in medicinal chemistry. It serves as a versatile building block for developing bioactive molecules, including potential antiviral and anticancer agents. Researchers also employ it in the preparation of dyes, pigments, and coordination complexes for material science applications.

Safety and Hazards

GHS Hazard Statements

• H302 (97.9%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (87.2%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (87.2%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (97.9%)
• Acute Tox. 4 (87.2%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• Acute Tox. 4 (87.2%)
• STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.