4-Chlorobenzaldehyde dimethyl acetal
4-Chlorobenzaldehyde dimethyl acetal (CAS 3395-81-1) is an organic compound with the formula ClC6H4CH(OCH3)2 and a molecular weight of 186.64 g/mol. This acetal is a valuable intermediate in organic synthesis, particularly in the construction of more complex molecules. It is recognised for its role as a building block in the chemical industry, offering a protected form of 4-chlorobenzaldehyde for various chemical transformations.

Organic Synthesis Intermediate
4-Chlorobenzaldehyde dimethyl acetal serves as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty organic compounds. Its acetal group protects the aldehyde functionality, allowing for selective reactions elsewhere in the molecule.
Building Block for Heterocycles
This compound is utilized in the construction of various heterocyclic ring systems. The presence of the chlorine atom and the masked aldehyde functionality provides versatile reaction pathways for creating complex molecular architectures.
Research and Development
In research laboratories, 4-Chlorobenzaldehyde dimethyl acetal is employed as a starting material or reagent for exploring new synthetic routes and developing novel chemical entities. Its predictable reactivity makes it a reliable component in R&D projects.
| Molecular weight | 186.64 |
|---|---|
| Linear formula | ClC6H4CH(OCH3)2 |
| Assay | 98% |
| Boiling point | 114-115 °C/19 mmHg(lit.) |
| Density | 1.128 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.508(lit.) |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Chlorobenzaldehyde dimethyl acetal used for?
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4-Chlorobenzaldehyde dimethyl acetal is primarily used as an intermediate in organic synthesis and as a building block for creating more complex organic molecules, including pharmaceuticals and agrochemicals.
What is the CAS number and formula for 4-Chlorobenzaldehyde dimethyl acetal?
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The CAS number is 3395-81-1 and the chemical formula is ClC6H4CH(OCH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorobenzaldehyde dimethyl acetal with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 4-Chlorobenzaldehyde dimethyl acetal?
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4-Chlorobenzaldehyde dimethyl acetal is classified as harmful if swallowed (H302) and carries a Warning signal word. Handle with appropriate personal protective equipment in a well-ventilated area to avoid ingestion.
How is 4-Chlorobenzaldehyde dimethyl acetal packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals with meticulous attention to regulatory compliance and safety standards, ensuring products reach their destination securely.
How can I request a sample or a quote for 4-Chlorobenzaldehyde dimethyl acetal?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through the website or via direct inquiry, providing your specific requirements.
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