4-(Diphenylamino)benzaldehyde
4-(Diphenylamino)benzaldehyde (CAS: 4181-05-9), a key organic compound with the formula C19H15NO and a molecular weight of 273.33 g/mol, serves as a versatile building block in chemical synthesis. Its structure, featuring an aldehyde group attached to a diphenylamine moiety, makes it valuable for creating more complex molecules. This compound finds utility in materials science and the development of organic electronic components.
- IUPAC
- 4-Formyltriphenylamine
- Synonyms
- 4-Formyltriphenylamine

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of various organic compounds, including dyes and specialised polymers. Its aldehyde functionality readily participates in condensation and addition reactions.
Materials Science
Employable in the development of novel materials with specific electronic or optical properties. It can be incorporated into conjugated systems for applications in organic electronics.
Research and Development
A valuable reagent in academic and industrial research laboratories for exploring new chemical pathways and developing innovative molecular structures.
| Molecular weight | 273.33 |
|---|---|
| Empirical formula | C19H15NO |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Loss on drying | ≤3% loss on drying, 110 °C |
| Melting point | 129-133 °C(lit.)129-133 °C |

Hazard statements
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(Diphenylamino)benzaldehyde used for?
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4-(Diphenylamino)benzaldehyde is primarily used as an intermediate in organic synthesis, particularly for creating complex molecules, dyes, specialised polymers, and materials for organic electronics. It is also widely used in research and development settings.
What are the CAS number and formula for 4-(Diphenylamino)benzaldehyde?
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The CAS number for 4-(Diphenylamino)benzaldehyde is 4181-05-9, and its molecular formula is C19H15NO.
What grade and purity does Tech Serve Solutions supply for 4-(Diphenylamino)benzaldehyde?
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Tech Serve Solutions supplies 4-(Diphenylamino)benzaldehyde with a minimum assay of ≥97.0% (GC), classified as 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should 4-(Diphenylamino)benzaldehyde be handled safely?
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Based on GHS classification, 4-(Diphenylamino)benzaldehyde is a warning substance (H315, H319, H335) causing skin irritation, serious eye irritation, and respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, in a well-ventilated area.
How is 4-(Diphenylamino)benzaldehyde packed and shipped?
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4-(Diphenylamino)benzaldehyde is typically packed in suitable containers to ensure safe transport and is exported globally by Tech Serve Solutions adhering to all relevant shipping regulations.
How can I request a quote or sample for 4-(Diphenylamino)benzaldehyde?
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To request a quote or a sample of 4-(Diphenylamino)benzaldehyde, please contact our sales team through the website or by phone, providing your specific requirements.
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