4-Methoxytriphenylamine
4-Methoxytriphenylamine (CAS: 4316-51-2), with the molecular formula C19H17NO and a molecular weight of 275.34 g/mol, is a chemical compound featuring a triphenylamine core with a methoxy substituent. It serves as a valuable intermediate and building block in organic synthesis. This compound is primarily utilised in research and development settings for the creation of more complex molecules, particularly within the fields of materials science and specialised chemical manufacturing.
- IUPAC
- 4-Methoxy-N,N-diphenylaniline
- Synonyms
- 4-Methoxy-N,N-diphenylaniline

Organic Synthesis Intermediate
4-Methoxytriphenylamine functions as a key intermediate in the synthesis of various organic compounds. Its structure allows for further functionalisation, making it useful in constructing complex molecular architectures for research purposes.
Materials Science Research
This compound can be explored as a building block in the development of novel organic materials, potentially for applications in electronics or optoelectronics, owing to its aromatic amine structure.
Pharmaceutical Intermediate Development
As a nitrogen-containing organic building block, 4-Methoxytriphenylamine may be investigated in early-stage research for potential pharmaceutical applications or the synthesis of biologically active compounds.
| Molecular weight | 275.34 |
|---|---|
| Empirical formula | C19H17NO |
| Assay | 97% |
| Melting point | 102-106 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| Safety statements (S) | 26-36/37/39 |
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-Methoxytriphenylamine used for?
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4-Methoxytriphenylamine is primarily used as an intermediate and building block in organic synthesis, particularly in research and development for creating complex molecules, potentially for materials science and specialized chemical applications.
What is the CAS number and molecular formula for 4-Methoxytriphenylamine?
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The CAS number for 4-Methoxytriphenylamine is 4316-51-2, and its molecular formula is C19H17NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxytriphenylamine with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Methoxytriphenylamine be handled safely?
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Handle 4-Methoxytriphenylamine with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, face shields, and gloves. Ensure adequate ventilation to avoid dust inhalation. It is classified as a Warning with hazards including skin irritation (H315), allergic skin reaction (H317), eye irritation (H319), respiratory irritation (H335), and may cause long lasting harmful effects to aquatic life (H413).
Can Tech Serve Solutions export 4-Methoxytriphenylamine?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, including 4-Methoxytriphenylamine.
How can I request a quote or sample for 4-Methoxytriphenylamine?
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To request a quote or sample for 4-Methoxytriphenylamine, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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