4-Octylaniline
4-Octylaniline (CAS: 16245-79-7), with the molecular formula CH3(CH2)7C6H4NH2 and a molecular weight of 205.34 g/mol, is an organic amine. It is primarily utilised as a chemical intermediate and building block in various synthetic processes. Its applications span from acting as an extractant in analytical chemistry to its role in the development of novel organic compounds, including selective benzimidazole-based analogues.

Extraction Agent
4-Octylaniline serves as an effective extractant for isolating microgram concentrations of ruthenium(IV) from halide media, aiding in analytical procedures.
Organic Synthesis Intermediate
This compound is employed in the synthesis of complex organic molecules, such as selective benzimidazole-based analogs, contributing to advancements in medicinal chemistry research.
Building Block for Advanced Materials
As a versatile building block, 4-Octylaniline can be incorporated into the design and synthesis of novel organic compounds and potentially advanced materials.
| Molecular weight | 205.34 |
|---|---|
| Linear formula | CH3(CH2)7C6H4NH2 |
| Assay | 99% |
| Boiling point | 175 °C/13 mmHg(lit.) |
| Density | 0.898 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.516(lit.) |
| Application | 4-Octylaniline has been used as an extractant during the extraction of microgram level concentrations of ruthenium(IV) from halide medium1. It has also been used in the synthesis of selective benzimidazole based analogs of sphingosine-1-phosphate2. |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| 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-Octylaniline used for?
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4-Octylaniline is used as an extractant in analytical chemistry for ruthenium(IV) and as an intermediate in the synthesis of organic compounds, including benzimidazole-based analogs.
What are the CAS number and formula for 4-Octylaniline?
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The CAS number is 16245-79-7, and the linear formula is CH3(CH2)7C6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Octylaniline with a purity of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety considerations when handling 4-Octylaniline?
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4-Octylaniline is classified with GHS07 and GHS09 symbols, carrying a 'Warning' signal word. It is associated with hazards H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation), and H400 (very toxic to aquatic life). Appropriate personal protective equipment, including eyeshields and gloves, along with a suitable respirator, is recommended. Ensure good ventilation and avoid release into the environment.
Is 4-Octylaniline a controlled substance?
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The provided data does not indicate that 4-Octylaniline is a controlled substance.
How is 4-Octylaniline shipped and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of chemicals, including 4-Octylaniline, adhering to all relevant shipping and export regulations.
How can I request a quote or sample of 4-Octylaniline?
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To request a quote or sample of 4-Octylaniline, please contact our sales team directly through the website or by phone.
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