Tris(4-formylphenyl)amine
Tris(4-formylphenyl)amine (CAS: 119001-43-3, C21H15NO3) is a versatile organic building block with a molecular weight of 329.35 g/mol. This compound features three aldehyde functional groups attached to a triphenylamine core. It is primarily utilised as a key precursor in the synthesis of complex molecular architectures, particularly triangular ligands for self-assembly into supramolecular structures like M4L4 tetrahedra. It is supplied by TSS with an assay of 97%.
- IUPAC
- 4,4′,4″-Nitrilotrisbenzaldehyde,4,4′,4″-Triformyltriphenylamine

Supramolecular Chemistry
This compound serves as a crucial building block for preparing triangular ligands. These ligands are instrumental in the self-assembly of discrete supramolecular cages, such as M4L4 tetrahedra, enabling precise control over molecular architecture.
Organic Synthesis Intermediate
As a tri-aldehyde, Tris(4-formylphenyl)amine is a valuable intermediate in organic synthesis. Its reactive carbonyl groups allow for diverse chemical transformations, facilitating the construction of larger, more complex organic molecules.
Materials Science
The unique structure of Tris(4-formylphenyl)amine makes it a candidate for use in the development of novel materials. Its potential applications span areas such as organic electronics and porous frameworks due to its defined geometry and reactive sites.
| Molecular weight | 329.35 |
|---|---|
| Empirical formula | C21H15NO3 |
| Assay | 97% |
| Application | Used in preparation of triangular ligands for self-assembly into M4L4 tetrahedra.1 |
| Melting point | 244-248 °C |

Hazard statements
- H317May cause an allergic skin reaction
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36/37 |
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 Tris(4-formylphenyl)amine used for?
+
Tris(4-formylphenyl)amine is primarily used in supramolecular chemistry for the preparation of triangular ligands that self-assemble into M4L4 tetrahedra. It also serves as a versatile intermediate in organic synthesis and materials science.
What is the CAS number and formula for Tris(4-formylphenyl)amine?
+
The CAS number is 119001-43-3, and the molecular formula is C21H15NO3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Tris(4-formylphenyl)amine with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
What are the main safety considerations for handling Tris(4-formylphenyl)amine?
+
Tris(4-formylphenyl)amine is a Warning material that may cause an allergic skin reaction (H317) and can cause prolonged or repeated exposure effects in the aquatic environment (H413). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, should be used. Ensure good ventilation.
How is Tris(4-formylphenyl)amine packed and shipped?
+
Tris(4-formylphenyl)amine is carefully packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Tris(4-formylphenyl)amine?
+
To request a sample or obtain a quote for Tris(4-formylphenyl)amine, please contact the Tech Serve Solutions sales team through our website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis