N-Butylaniline
N-Butylaniline (CAS: 1126-78-9), a chemical compound with the formula C6H5NH(CH2)3CH3 and a molecular weight of 149.23 g/mol, is supplied by Tech Serve Solutions. This secondary amine is primarily recognised for its utility as an intermediate in organic synthesis and in the formulation of specialised dyes and stains. Its physical properties, including a boiling point of 236-242 °C and a density of 0.932 g/mL at 25 °C, make it suitable for various industrial chemical processes.

Organic Synthesis Intermediate
N-Butylaniline serves as a valuable building block in the synthesis of more complex organic molecules. It is employed in the production of pharmaceuticals, agrochemicals, and other fine chemicals.
Dyes and Stains
This compound finds application in the manufacturing of specific dyes and histological stains. Its chemical structure contributes to the chromophoric properties required in these applications.
Research and Development
As a laboratory reagent, N-Butylaniline is utilised in research settings for exploring new chemical reactions and developing novel compounds. Its defined specifications support consistent experimental outcomes.
| Molecular weight | 149.23 |
|---|---|
| Linear formula | C6H5NH(CH2)3CH3 |
| Assay | 97% |
| Boiling point | 236-242 °C(lit.) |
| Density | 0.932 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.532(lit.) |
| Melting point | −14.4 °C(lit.) |

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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 106 °C / 222.8 °F |
| Transport (UN / ADR) | UN 2738 6.1 / PGII |
| 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 N-Butylaniline used for?
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N-Butylaniline is used as an intermediate in organic synthesis, particularly for the production of dyes, stains, and other fine chemicals, as well as in research and development activities.
What are the CAS number and formula for N-Butylaniline?
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The CAS number for N-Butylaniline is 1126-78-9, and its linear formula is C6H5NH(CH2)3CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Butylaniline with a minimum assay of 97%. This product is typically provided as a technical or research grade chemical, and is not represented as USP, BP, or EP grade.
How should N-Butylaniline be handled safely?
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N-Butylaniline is classified with GHS07 symbol and a 'Warning' signal word. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H319-H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used during handling. Store in a well-ventilated area.
Is N-Butylaniline a controlled substance?
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The provided data does not indicate that N-Butylaniline is a controlled substance.
How is N-Butylaniline packed and shipped?
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N-Butylaniline is shipped according to UN 2738 regulations (Class 6.1, PGII). Packaging details are available upon request, and TSS exports this chemical globally.
How can I request a sample or quote for N-Butylaniline?
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To request a sample or a quotation for N-Butylaniline, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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