4-Butylaniline
4-Butylaniline (CAS: 104-13-2), with the linear formula CH3(CH2)3C6H4NH2 and a molecular weight of 149.23 g/mol, is an aromatic amine. This compound is primarily utilised as a building block in chemical synthesis. Its applications extend to the development of specialised materials, such as those used in advanced chromatographic techniques, contributing to research and development across various scientific disciplines.

Chromatographic Material Synthesis
4-Butylaniline is instrumental in fabricating advanced chromatographic materials. It is used in the creation of RP/ion-exchange and mixed-mode monolithic materials specifically designed for capillary liquid chromatography (LC).
Organic Synthesis Intermediate
As an organic building block, 4-Butylaniline serves as a crucial intermediate in the synthesis of more complex organic molecules. Its structure allows for versatile reactions in the development of new chemical entities.
Research and Development
This compound is employed in research laboratories for the synthesis of novel compounds and the exploration of new chemical pathways. Its properties make it valuable for academic and industrial R&D projects.
| Molecular weight | 149.23 |
|---|---|
| Linear formula | CH3(CH2)3C6H4NH2 |
| Assay | 97% |
| Boiling point | 133-134 °C/14 mmHg(lit.) |
| Density | 0.945 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.535(lit.) |
| Application | 4-Butylaniline is used in the fabrication of RP/ion-exchange, mixed-mode, monolithic materials for capillary LC1. |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 102 °C / 215.6 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 23-26-36/37/39-45 |
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-Butylaniline used for?
+
4-Butylaniline is used in the fabrication of RP/ion-exchange, mixed-mode, monolithic materials for capillary LC, and as a general building block in organic synthesis for research and development.
What are the CAS number and formula for 4-Butylaniline?
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The CAS number for 4-Butylaniline is 104-13-2, and its linear formula is CH3(CH2)3C6H4NH2.
What grade and purity does Tech Serve Solutions supply for 4-Butylaniline?
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Tech Serve Solutions supplies 4-Butylaniline with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Butylaniline be handled safely?
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4-Butylaniline is a dangerous substance. Handle with extreme care, using appropriate personal protective equipment including eyeshields, faceshields, and chemical-resistant gloves. Ensure adequate ventilation and use a suitable respirator, as it is toxic if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation.
How is 4-Butylaniline typically packed and shipped?
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4-Butylaniline is supplied in appropriate packaging for chemical transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for hazardous materials (UN 2810).
How can I request a quote or sample of 4-Butylaniline?
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To request a quote or a sample of 4-Butylaniline, please contact our sales team through the TSS website or by calling our customer service line.
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