4-(3-Chlorophenoxy)benzaldehyde
4-(3-Chlorophenoxy)benzaldehyde (CAS: 164522-90-1; Formula: ClC6H4OC6H4CHO; MW: 232.66) is a specialized organic compound featuring both a chlorophenoxy ether linkage and an aldehyde functional group. This unique structure makes it a valuable intermediate in organic synthesis, particularly for the construction of more complex molecules. It is primarily utilised as a building block in the fine chemical and pharmaceutical industries for research and development purposes.

Organic Synthesis Intermediate
This compound serves as a versatile building block in the synthesis of novel organic molecules. Its aldehyde functionality readily participates in various reactions like Wittig, Grignard, and reductive amination, enabling the formation of diverse chemical structures.
Pharmaceutical Research
As an organic building block, 4-(3-Chlorophenoxy)benzaldehyde is employed in the exploration and development of new pharmaceutical candidates. Its structural features can be incorporated into potential drug molecules for various therapeutic targets.
Material Science Exploration
The compound's structure may be of interest for researchers investigating new materials. It can be a precursor for monomers or functional additives in the development of polymers or specialized organic materials.
| Molecular weight | 232.66 |
|---|---|
| Linear formula | ClC6H4OC6H4CHO |
| Assay | 95% |
| Density | 1.235 g/mL at 25 °C |
| Refractive index | n20/D 1.619 |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36-43-51/53 |
| Safety statements (S) | 26-36/37-61 |
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-(3-Chlorophenoxy)benzaldehyde used for?
+
4-(3-Chlorophenoxy)benzaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceutical research and the development of new chemical entities.
What are the CAS number and molecular formula?
+
The CAS number for 4-(3-Chlorophenoxy)benzaldehyde is 164522-90-1, and its molecular formula is ClC6H4OC6H4CHO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-(3-Chlorophenoxy)benzaldehyde with a typical purity of 95% (assay). This is generally considered a technical or research grade; TSS does not represent this product as USP, BP, or EP grade.
How is this chemical shipped and exported?
+
This chemical is shipped and exported in compliance with relevant transport regulations, identified as UN 3077, Class 9, Packing Group III.
What safety precautions should be taken when handling 4-(3-Chlorophenoxy)benzaldehyde?
+
Handling requires caution due to hazards including H302 (Harmful if swallowed), H319 (Causes serious eye irritation), and H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled). Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection (type ABEK respirator filter recommended), is essential.
How can I request a sample or a quote?
+
To request a sample or a quote for 4-(3-Chlorophenoxy)benzaldehyde, please contact the Tech Serve Solutions sales department through our website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis