4-Chlorocinnamaldehyde
4-Chlorocinnamaldehyde (CAS: 49678-02-6) is an organic compound with the molecular formula C9H7ClO. This crystalline solid is characterised by its aromatic ring and conjugated aldehyde and alkene functionalities. It serves as a versatile building block in organic synthesis, finding utility in the creation of more complex molecules within the pharmaceutical and fine chemical industries. Its reactivity makes it valuable for various chemical transformations.

Organic Synthesis Intermediate
4-Chlorocinnamaldehyde is a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse reactions, making it valuable for constructing complex molecular architectures.
Pharmaceutical Research
It is employed as a building block in the development of potential pharmaceutical agents. Its functional groups can be modified to create novel compounds for drug discovery programmes.
Fine Chemical Production
The compound is utilised in the manufacturing of fine chemicals, where precise molecular structures are required. It contributes to the synthesis of specialised chemical products.
| Molecular weight | 166.60 |
|---|---|
| Empirical formula | C9H7ClO |
| Assay | 96% |
| Melting point | 57-63 °C |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38-43 |
| 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-Chlorocinnamaldehyde used for?
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4-Chlorocinnamaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and fine chemicals.
What are the CAS number and formula for 4-Chlorocinnamaldehyde?
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The CAS number for 4-Chlorocinnamaldehyde is 49678-02-6, and its molecular formula is C9H7ClO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorocinnamaldehyde with an assay of 96%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Chlorocinnamaldehyde be handled safely?
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According to GHS regulations, 4-Chlorocinnamaldehyde is a warning substance (GHS07) and causes skin irritation (H315), may cause an allergic skin reaction (H317), and causes serious eye irritation (H319). Appropriate personal protective equipment, including gloves and eye protection, should be worn during handling. Ensure good ventilation.
Is 4-Chlorocinnamaldehyde a controlled substance?
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The provided data does not indicate that 4-Chlorocinnamaldehyde is a controlled substance.
How is 4-Chlorocinnamaldehyde packed and shipped?
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Tech Serve Solutions, as a global supplier and exporter, ensures that 4-Chlorocinnamaldehyde is appropriately packed and shipped in compliance with all relevant regulations.
How can I request a sample or quote for 4-Chlorocinnamaldehyde?
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To request a sample or quote for 4-Chlorocinnamaldehyde, please contact our sales team through the TSS website or by calling our dedicated line.
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