Benzene-1,3,5-tricarboxaldehyde
Benzene-1,3,5-tricarboxaldehyde (CAS 3163-76-6), also known as Trimesaldehyde, is a crystalline organic compound with the molecular formula C9H6O3 and a molecular weight of 162.14 g/mol. This aldehyde is characterised by three formyl groups attached to a benzene ring in a symmetrical arrangement. It serves as a versatile building block in organic synthesis, particularly in the creation of complex molecular architectures and functional materials. Its unique structure lends itself to various chemical transformations.
- IUPAC
- 1,3,5-Triformylbenzene,Trimesaldehyde
- Synonyms
- 3163-76-6C9H6O31,3,5-TriformylbenzeneTrimesaldehyde

Organic Synthesis Intermediate
Benzene-1,3,5-tricarboxaldehyde functions as a key intermediate in multi-step organic synthesis. Its three reactive aldehyde groups allow for diverse derivatisation, facilitating the construction of complex molecules and polymers.
Material Science Precursor
The symmetrical trifunctional nature of this compound makes it valuable in material science. It can be employed in the synthesis of porous organic frameworks, dendrimers, and other advanced materials with specific structural and functional properties.
Cross-linking Agent
In polymer chemistry, Benzene-1,3,5-tricarboxaldehyde can act as a cross-linking agent, enhancing the mechanical strength, thermal stability, and chemical resistance of polymeric materials through the formation of a three-dimensional network.
| Molecular weight | 162.14 |
|---|---|
| Empirical formula | C9H6O3 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 156-161 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 Benzene-1,3,5-tricarboxaldehyde used for?
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Benzene-1,3,5-tricarboxaldehyde is primarily used as an intermediate in organic synthesis and as a precursor in material science for creating complex molecules, polymers, and advanced materials.
What are the CAS number and chemical formula for Benzene-1,3,5-tricarboxaldehyde?
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The CAS number is 3163-76-6 and the chemical formula is C9H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzene-1,3,5-tricarboxaldehyde with an assay of 97%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Benzene-1,3,5-tricarboxaldehyde be handled and stored?
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Benzene-1,3,5-tricarboxaldehyde is classified as harmful if swallowed and causes skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment in a well-ventilated area. Store at 2-8°C.
Is Benzene-1,3,5-tricarboxaldehyde a controlled substance?
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The provided data does not indicate that Benzene-1,3,5-tricarboxaldehyde is a controlled substance.
How are your chemicals packed, shipped, and exported?
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Tech Serve Solutions packs chemicals according to regulatory requirements and customer specifications. We have extensive experience in exporting fine chemicals globally, ensuring compliance with international shipping regulations.
How can I request a sample or quote for Benzene-1,3,5-tricarboxaldehyde?
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To request a sample or a quote, please contact our sales team through the website or call us directly. Please specify the product name and CAS number (3163-76-6).
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