4-Hexylaniline
4-Hexylaniline (CAS: 33228-45-4), with the linear formula CH3(CH2)5C6H4NH2 and a molecular weight of 177.29 g/mol, is an organic compound serving as a valuable building block in chemical synthesis. Its structure, featuring an aniline core with a hexyl substituent, lends itself to diverse chemical transformations. This compound has found specific utility in the preparation of stable ruthenium nanoparticles, contributing to advancements in materials science and catalysis.

Nanoparticle Synthesis
4-Hexylaniline has been documented for its use in the preparation of stable ruthenium nanoparticles. This application highlights its role in advanced materials synthesis and nanotechnology.
Organic Synthesis Intermediate
As a substituted aniline, 4-Hexylaniline functions as a versatile intermediate in organic synthesis. Its amine functionality and alkyl chain allow for various derivatizations, enabling the creation of complex organic molecules.
Research and Development
This compound is utilised in research laboratories for exploring novel chemical reactions and developing new materials. Its availability as a building block supports innovation across different scientific disciplines.
| Molecular weight | 177.29 |
|---|---|
| Linear formula | CH3(CH2)5C6H4NH2 |
| Assay | 90% |
| Grade | technical grade |
| Boiling point | 279-285 °C(lit.) |
| Density | 0.919 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.525(lit.) |
| Application | 4-Hexylaniline has been used in the preparation of stable ruthenium nanoparticles1. |

Hazard statements
- H302Harmful if swallowed
- 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, Faceshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 4-Hexylaniline used for?
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4-Hexylaniline is primarily used as a building block in chemical synthesis and has been specifically employed in the preparation of stable ruthenium nanoparticles.
What are the CAS number and chemical formula for 4-Hexylaniline?
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The CAS number for 4-Hexylaniline is 33228-45-4, and its linear formula is CH3(CH2)5C6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Hexylaniline in technical grade with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
How should 4-Hexylaniline be handled safely?
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4-Hexylaniline is a Warning substance that may cause harm if swallowed (H302), and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves, should be used. Ensure adequate ventilation and avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Is 4-Hexylaniline a controlled substance?
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Based on the provided data, 4-Hexylaniline is not listed as a controlled substance.
How is 4-Hexylaniline packed and exported?
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Tech Serve Solutions exports fine chemicals globally, adhering to all necessary regulations for safe and compliant shipping of chemical products.
How can I request a sample or quote for 4-Hexylaniline?
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To request a sample or quote for 4-Hexylaniline, please contact our sales team through the website or by phone, providing your specific requirements.
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