1,3,5-Tris(diphenylamino)benzene
1,3,5-Tris(diphenylamino)benzene (CAS 126717-23-5) is an organic compound with a molecular weight of 579.73 g/mol. It functions as a hole transport material, finding application in electroluminescent devices. The radical cation form of this compound is also utilised in the field of molecular magnetism. Supplied by TSS with an assay of 97%.
- IUPAC
- TDAB
- Synonyms
- 126717-23-5C42H33N3TDAB

Hole Transport Material
Utilised in electroluminescent devices, this compound facilitates the efficient transport of charge carriers, contributing to device performance and longevity.
Molecular Magnetics
The radical cation of 1,3,5-Tris(diphenylamino)benzene exhibits properties suitable for applications in molecular magnetism research.
Organic Electronics
Its charge transport capabilities make it a valuable component in the development of organic light-emitting diodes (OLEDs) and polymer light-emitting diodes (PLEDs).
| Molecular weight | 579.73 |
|---|---|
| Empirical formula | C42H33N3 |
| Assay | 97% |
| Application | Hole transport material employed in electroluminescent devices.1 The radical cation is used in molecular magnetics.2 |
| Melting point | 252-256 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 1,3,5-Tris(diphenylamino)benzene used for?
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1,3,5-Tris(diphenylamino)benzene is primarily used as a hole transport material in electroluminescent devices and its radical cation is employed in molecular magnetics.
What is the CAS number and molecular formula for 1,3,5-Tris(diphenylamino)benzene?
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The CAS number is 126717-23-5 and its empirical formula (Hill notation) is C42H33N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3,5-Tris(diphenylamino)benzene with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling 1,3,5-Tris(diphenylamino)benzene?
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When handling, it is essential to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive handling and hazard information. The WGK (Germany) is 3.
How is 1,3,5-Tris(diphenylamino)benzene packed and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific packaging and shipping details are available upon request, adhering to international transport regulations.
How can I request a quote or sample?
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To request a quote or a sample of 1,3,5-Tris(diphenylamino)benzene, please contact our sales team through the website or via direct inquiry.
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