4-(4-Formylphenoxy)benzaldehyde
4-(4-Formylphenoxy)benzaldehyde (CAS: 2215-76-1), with the molecular formula O(C6H4CHO)2 and a molecular weight of 226.23 g/mol, is a difunctional aromatic aldehyde. This compound serves as a versatile building block in organic synthesis, primarily utilised in the creation of complex organic molecules and advanced materials. Its symmetrical structure and two reactive aldehyde groups make it a valuable intermediate for polymer and fine chemical manufacturing.
- IUPAC
- 4,4′-Diformyldiphenyl ether,4,4′-Oxybis(benzaldehyde),4,4′-Oxydibenzaldehyde,Bis(4-formylphenyl) ether
- Synonyms
- 4,4′-Diformyldiphenyl ether4,4′-Oxybis(benzaldehyde)4,4′-OxydibenzaldehydeBis(4-formylphenyl) ether

Organic Synthesis Intermediate
Serves as a key building block in multi-step organic syntheses, enabling the construction of complex molecular architectures for research and development.
Polymer Precursor
The difunctional nature of this compound makes it suitable for polymerisation reactions, contributing to the development of novel polymeric materials with specific properties.
Material Science
Utilised in the development of advanced materials, including specialised resins and functional organic compounds for various technological applications.
| Molecular weight | 226.23 |
|---|---|
| Linear formula | O(C6H4CHO)2 |
| Assay | 96% |
| Melting point | 63-67 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-43 |
| 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)benzaldehyde used for?
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4-(4-Formylphenoxy)benzaldehyde is used as a versatile building block in organic synthesis, a precursor for polymer development, and in material science for creating advanced organic compounds and materials.
What are the CAS number and molecular formula?
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The CAS number for 4-(4-Formylphenoxy)benzaldehyde is 2215-76-1, and its molecular formula is O(C6H4CHO)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(4-Formylphenoxy)benzaldehyde with a minimum assay of 96%. TSS does not represent this chemical as USP, BP, or EP grade.
How should 4-(4-Formylphenoxy)benzaldehyde be handled?
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Based on GHS classifications, it is a Warning substance. Handle with care, wearing appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, faceshields, and gloves. Avoid contact with skin and eyes, and avoid breathing dust. Refer to the Safety Data Sheet for full details.
Is this chemical a controlled substance?
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The provided data does not indicate that 4-(4-Formylphenoxy)benzaldehyde is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs and exports chemicals according to international shipping regulations and customer requirements, ensuring safe and compliant delivery worldwide.
How can I request a quote or sample?
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To request a quote or a sample of 4-(4-Formylphenoxy)benzaldehyde, please contact our sales team via the website or direct inquiry channels.
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