4-(2,4-Dichlorophenoxy)benzaldehyde
4-(2,4-Dichlorophenoxy)benzaldehyde (CAS 78725-51-6) is an organic compound with the linear formula C6H3(Cl)2OC6H4CHO and a molecular weight of 267.11 g/mol. This aldehyde serves as a valuable intermediate and building block in organic synthesis. Its structure, featuring a dichlorophenoxy group attached to a benzaldehyde moiety, makes it suitable for incorporation into more complex molecules within the fine chemical and pharmaceutical sectors. Available at 97% purity.
- Synonyms
- C6H3(Cl)2OC6H4CHO

Organic Synthesis Intermediate
This compound acts as a crucial building block in multi-step organic syntheses. Its reactive aldehyde functional group allows for various chemical transformations, facilitating the construction of diverse molecular architectures.
Pharmaceutical Research
As an intermediate, 4-(2,4-Dichlorophenoxy)benzaldehyde can be employed in the development of novel pharmaceutical agents. It provides a structural scaffold for medicinal chemists exploring new therapeutic compounds.
Material Science
The unique chemical structure may find application in the synthesis of specialised materials. Its incorporation into polymers or other advanced materials could impart specific properties relevant to material science research.
| Molecular weight | 267.11 |
|---|---|
| Linear formula | C6H3(Cl)2OC6H4CHO |
| Assay | 97% |
| Melting point | 50-54 °C |



Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-43-50/53 |
| Safety statements (S) | 26-36/37/39-60-61 |
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-(2,4-Dichlorophenoxy)benzaldehyde used for?
+
4-(2,4-Dichlorophenoxy)benzaldehyde (CAS 78725-51-6) is primarily used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and potentially in material science.
What is the CAS number and chemical formula for 4-(2,4-Dichlorophenoxy)benzaldehyde?
+
The CAS number is 78725-51-6 and the linear formula is C6H3(Cl)2OC6H4CHO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-(2,4-Dichlorophenoxy)benzaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-(2,4-Dichlorophenoxy)benzaldehyde be handled safely?
+
Handling requires extreme caution due to its hazards. Use a dust mask (type N95 US), eyeshields, face shields, and gloves. It is harmful if swallowed, can cause an allergic skin reaction, causes serious eye damage, and is very toxic to aquatic life with long-lasting effects. Avoid release to the environment. Consult the SDS for full details.
Is 4-(2,4-Dichlorophenoxy)benzaldehyde exported by Tech Serve Solutions?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-(2,4-Dichlorophenoxy)benzaldehyde.
How can I request a quote or sample?
+
Please contact our sales department via the website or email to request a quotation or a sample of 4-(2,4-Dichlorophenoxy)benzaldehyde.
▶ 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