4-(4-Formylphenoxy)benzonitrile
4-(4-Formylphenoxy)benzonitrile (CAS: 90178-71-5), with the molecular formula C14H9NO2 and a molar mass of 223.23 g/mol, is a valuable organic compound. It serves as a key intermediate and building block in organic synthesis, particularly in the development of advanced materials and complex molecules. Its unique structure, featuring both aldehyde and nitrile functional groups, allows for diverse chemical transformations and applications.
- IUPAC
- 4-(4-Cyanophenoxy)benzaldehyde
- Synonyms
- 4-(4-Cyanophenoxy)benzaldehyde

Organic Synthesis Intermediate
This compound is widely used as a building block in the synthesis of more complex organic molecules. The presence of both an aldehyde and a nitrile group enables versatile reactions, making it valuable in creating diverse chemical structures for research and development.
Material Science Precursor
4-(4-Formylphenoxy)benzonitrile can be utilised in the development of novel materials. Its structure may be incorporated into polymers or other advanced materials, potentially influencing their thermal, optical, or electronic properties.
Pharmaceutical Intermediate
It serves as a precursor in the multi-step synthesis of pharmaceutical compounds. The specific arrangement of functional groups makes it suitable for constructing key structural motifs found in potential drug candidates.
| Molecular weight | 223.23 |
|---|---|
| Linear formula | NCC6H4OC6H4CHO |
| Assay | 96% |
| Melting point | 88-93 °C |

Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- 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) | 36-43 |
| Safety statements (S) | 26-36/37 |
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 4-(4-Formylphenoxy)benzonitrile used for?
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4-(4-Formylphenoxy)benzonitrile is primarily used as an intermediate and building block in organic synthesis, material science, and as a precursor for pharmaceutical development.
What are the CAS number and molecular formula for 4-(4-Formylphenoxy)benzonitrile?
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The CAS number is 90178-71-5, and the molecular formula is C14H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(4-Formylphenoxy)benzonitrile with a minimum assay of 96%. This product is intended for research and laboratory use. Tech Serve Solutions does not represent this product as USP, BP, or EP grade.
How should 4-(4-Formylphenoxy)benzonitrile be handled safely?
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This compound is classified with GHS07 warning. It may cause skin irritation and serious eye irritation (H317, H319). Always handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, faceshields, and gloves. Ensure good ventilation.
How is this chemical packed and exported?
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4-(4-Formylphenoxy)benzonitrile is carefully packed to ensure stability and safety during transport. Tech Serve Solutions is an experienced global supplier and exporter, adhering to international shipping regulations for chemical products.
How can I request a sample or quote for 4-(4-Formylphenoxy)benzonitrile?
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To request a sample or obtain a quotation, please contact our sales department through the website or direct email, specifying the product name and CAS number (90178-71-5).
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