4-(4-Methylphenyl)benzaldehyde
4-(4-Methylphenyl)benzaldehyde (CAS: 36393-42-7), a molecular entity with the formula H₃CC₆H₄C₆H₄CHO and a molecular weight of 196.24, is a valuable aromatic aldehyde. Its structure, featuring a formyl group and a methyl-substituted biphenyl core, makes it a key intermediate in organic synthesis. This compound is primarily utilised as a building block in the creation of more complex molecules for various chemical applications.
- IUPAC
- 4′-Methyl-4-formylbiphenyl,4′-Methyl[1,1′-biphenyl]-4-carboxaldehyde

Organic Synthesis Intermediate
4-(4-Methylphenyl)benzaldehyde serves as a crucial building block in multi-step organic syntheses. Its aldehyde functionality allows for a range of chemical transformations, including oxidation, reduction, and condensation reactions.
Material Science Research
The biphenyl structure and reactive aldehyde group make this compound of interest in material science for the development of novel polymers and functional materials. It can be incorporated into larger molecular architectures to impart specific properties.
Pharmaceutical Intermediate
This aldehyde can be employed in the synthesis pathways of complex organic molecules, potentially serving as an intermediate in the research and development of new pharmaceutical agents. Its defined structure is advantageous for targeted molecular design.
| Molecular weight | 196.24 |
|---|---|
| Linear formula | H3CC6H4C6H4CHO |
| Assay | 97% |
| Melting point | 104-108 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-51/53 |
| Safety statements (S) | 61 |
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-Methylphenyl)benzaldehyde used for?
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4-(4-Methylphenyl)benzaldehyde is primarily used as a building block and intermediate in organic synthesis, with applications in material science research and potentially as a precursor for pharmaceutical agents.
What is the CAS number and chemical formula for 4-(4-Methylphenyl)benzaldehyde?
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The CAS number is 36393-42-7 and the chemical formula is H₃CC₆H₄C₆H₄CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(4-Methylphenyl)benzaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product data.
How should 4-(4-Methylphenyl)benzaldehyde be handled?
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Given the hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation), appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves should be used. Handle in a well-ventilated area.
Is 4-(4-Methylphenyl)benzaldehyde available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-(4-Methylphenyl)benzaldehyde, adhering to international shipping regulations such as UN 3077, Class 9, Packing Group III.
How can I request a quote or sample?
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To request a quote or a sample of 4-(4-Methylphenyl)benzaldehyde, please contact our sales team through the website or by phone. We will respond promptly with the necessary information.
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