4-Fluoroaniline
4-Fluoroaniline (CAS: 371-40-4), with the molecular formula FC6H4NH2 and a molecular weight of 111.12 g/mol, is a fluorinated aromatic amine. It serves as a crucial building block in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals. This compound is valued for introducing a fluorine atom into molecular structures, influencing their electronic properties and biological activity. Tech Serve Solutions supplies this reagent for research and development purposes.
- IUPAC
- 1-Amino-4-fluorobenzene
- Synonyms
- 1-Amino-4-fluorobenzene4-Aminofluorobenzene

Pharmaceutical Intermediate
4-Fluoroaniline is employed in the synthesis of various active pharmaceutical ingredients (APIs). Its fluorinated structure can enhance metabolic stability and bioavailability of drug candidates.
Agrochemical Synthesis
This compound acts as a precursor in the production of certain pesticides and herbicides. The fluorine substituent can improve the efficacy and environmental profile of agrochemical products.
Organic Synthesis Building Block
As a versatile fluorinated aryl amine, 4-Fluoroaniline is utilized in a wide range of organic transformations to construct complex molecules for research and material science applications.
| Molecular weight | 111.12 |
|---|---|
| Linear formula | FC6H4NH2 |
| Assay | ≥97.0% (GC) |
| Boiling point | 187 °C/767 mmHg(lit.) |
| Density | 1.173 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.539(lit.)n20/D 1.540 |


Hazard statements
- H302Harmful if swallowed
- 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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 74 °C / 165.2 °F |
| Transport (UN / ADR) | UN 2941 6.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 4-Fluoroaniline used for?
+
4-Fluoroaniline is primarily used as a building block in organic synthesis, notably in the development of pharmaceuticals and agrochemicals.
What are the CAS number and molecular formula for 4-Fluoroaniline?
+
The CAS number for 4-Fluoroaniline is 371-40-4, and its molecular formula is FC6H4NH2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Fluoroaniline with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
What are the primary hazards associated with 4-Fluoroaniline?
+
4-Fluoroaniline is classified as Dangerous. It causes severe skin burns and eye damage (H314) and is harmful if swallowed (H302). Appropriate personal protective equipment, including gloves, goggles, and respiratory protection, must be used when handling.
How is 4-Fluoroaniline packed and shipped?
+
4-Fluoroaniline is packed according to relevant safety regulations for hazardous materials and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 4-Fluoroaniline?
+
To request a sample or quote for 4-Fluoroaniline, please contact the Tech Serve Solutions sales team through our website or designated contact channels.
▶ 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