2-Chloro-4-methylbenzaldehyde
2-Chloro-4-methylbenzaldehyde (CAS: 50817-80-6), with the molecular formula C8H7ClO and a molecular weight of 154.59 g/mol, is a key organic intermediate. This substituted benzaldehyde is utilised in the synthesis of more complex molecules within the pharmaceutical and fine chemical industries. Its reactive aldehyde group and specific substitution pattern make it a valuable building block for targeted chemical construction and research endeavours.
- IUPAC
- 2-Chloro-p-tolualdehyde

Pharmaceutical Intermediate
Serves as a crucial building block in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its structure allows for the introduction of specific functionalities required in drug discovery and development.
Fine Chemical Synthesis
Employed as a reagent in the creation of diverse fine chemicals. The compound's reactivity enables its incorporation into various organic synthesis pathways for specialised chemical production.
Research and Development
Utilised by researchers in academic and industrial laboratories for exploring novel chemical reactions and developing new synthetic methodologies. It is a valuable component for custom synthesis projects.
| Molecular weight | 154.59 |
|---|---|
| Empirical formula | C8H7ClO |
| Assay | 97% |
| Melting point | 27-30 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41-51 |
| Safety statements (S) | 26-39-45 |
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 2-Chloro-4-methylbenzaldehyde used for?
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2-Chloro-4-methylbenzaldehyde is primarily used as an intermediate in pharmaceutical synthesis and the production of fine chemicals. It also serves as a building block in chemical research and development.
What are the CAS number and molecular formula?
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The CAS number for 2-Chloro-4-methylbenzaldehyde is 50817-80-6, and its molecular formula is C8H7ClO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-methylbenzaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and general chemical synthesis purposes.
How should 2-Chloro-4-methylbenzaldehyde be handled safely?
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Handling requires caution due to its hazardous nature. It is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. Always wear appropriate personal protective equipment (PPE), ensure good ventilation, and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for detailed guidance.
Is 2-Chloro-4-methylbenzaldehyde a controlled substance?
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Based on the provided data, 2-Chloro-4-methylbenzaldehyde is not indicated as a controlled substance. However, users should always verify compliance with local and international regulations.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packages chemicals according to international shipping regulations to ensure safe transit. We are experienced in exporting fine chemicals globally, adhering to all necessary documentation and compliance standards.
How can I request a quote or sample?
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To request a quote or a sample of 2-Chloro-4-methylbenzaldehyde, please contact our sales team via the website or by phone, providing your specific requirements and shipping details.
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