2,6-Diphenylaniline
2,6-Diphenylaniline (CAS 87666-57-7) is an organic chemical compound with the molecular formula C18H15N and a molecular weight of 245.32 g/mol. This nitrogen-containing compound, often categorised as an amine and a building block, serves as a valuable intermediate in organic synthesis. Its structure lends itself to further chemical modification for the development of complex molecules.
- IUPAC
- m-Terphenyl-2′-amine,[1,1′:3′,1′′-Terphenyl]-2′-amine
- Synonyms
- C18H15Nm-Terphenyl-2′-amine[1,1′:3′,1′′-Terphenyl]-2′-amine

Organic Synthesis Intermediate
2,6-Diphenylaniline is utilised as a key building block in the synthesis of more complex organic molecules. Its specific structure allows for targeted chemical transformations in research and development settings.
Chemical Research
This compound finds application in various research endeavours, particularly within medicinal chemistry and materials science. It serves as a starting material for novel compound exploration.
Specialty Chemical Production
As a fine chemical, 2,6-Diphenylaniline is employed in the production of specialised chemical entities. Its availability supports the synthesis of bespoke compounds for niche industrial requirements.
| Molecular weight | 245.32 |
|---|---|
| Empirical formula | C18H15N |
| Assay | 99% |
| Melting point | 85-86 °C |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H410Very toxic 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
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-37/38-41-50/53 |
| Safety statements (S) | 26-39-60-61 |
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 2,6-Diphenylaniline used for?
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2,6-Diphenylaniline is primarily used as an intermediate in organic synthesis and in chemical research for developing novel molecules.
What is the CAS number and molecular formula for 2,6-Diphenylaniline?
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The CAS number is 87666-57-7 and the molecular formula is C18H15N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Diphenylaniline with a purity of 99% (assay). We do not represent this product as USP, BP, EP, or for nutraceutical/food use unless explicitly stated.
What are the safety considerations when handling 2,6-Diphenylaniline?
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2,6-Diphenylaniline is classified as Dangerous. It is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. It is also very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for detailed information.
How is 2,6-Diphenylaniline packed and shipped?
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2,6-Diphenylaniline is packed according to industry standards for chemical transport and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for 2,6-Diphenylaniline?
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To request a quote or sample, please contact our sales team through the website or by direct inquiry, providing your specific requirements.
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