4-Chlorodiphenyl ether
4-Chlorodiphenyl ether (CAS: 7005-72-3), a chlorinated aromatic ether with the formula ClC6H4OC6H5 and a molecular weight of 204.65 g/mol, is a versatile chemical intermediate. It is primarily utilised in organic synthesis and as a building block for more complex molecules within the chemical and materials science industries. Its properties make it suitable for research and development applications.
- IUPAC
- 4-Chlorophenyl phenyl ether

Organic Synthesis Intermediate
4-Chlorodiphenyl ether serves as a key intermediate in the synthesis of various organic compounds. Its structure allows for further functionalisation, making it valuable in creating diverse molecular architectures.
Building Block for Complex Molecules
This compound functions as a building block in the construction of larger, more complex organic molecules. It finds utility in the development of specialty chemicals and advanced materials.
Research and Development
Utilised in laboratory settings for chemical research and development, 4-Chlorodiphenyl ether aids in exploring new synthetic pathways and discovering novel chemical entities.
| Molecular weight | 204.65 |
|---|---|
| Linear formula | ClC6H4OC6H5 |
| Assay | 99% |
| Boiling point | 161-162 °C/19 mmHg(lit.) |
| Density | 1.193 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.587(lit.) |



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
| Flash point | >113 °C / >235.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3082 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-Chlorodiphenyl ether used for?
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4-Chlorodiphenyl ether is primarily used as an intermediate in organic synthesis and as a building block for creating more complex molecules. It is also employed in research and development activities.
What is the CAS number and chemical formula for 4-Chlorodiphenyl ether?
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The CAS number for 4-Chlorodiphenyl ether is 7005-72-3, and its chemical formula is ClC6H4OC6H5.
What grade and purity does Tech Serve Solutions supply for 4-Chlorodiphenyl ether?
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Tech Serve Solutions supplies 4-Chlorodiphenyl ether with a minimum assay of 99%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
What are the key safety concerns when handling 4-Chlorodiphenyl ether?
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4-Chlorodiphenyl ether is labelled with Danger. It is harmful if swallowed (H302), may cause an allergic skin reaction (H317), causes serious eye damage (H318), and is very toxic to aquatic life with long-lasting effects (H410). Appropriate personal protective equipment, including eye protection and protective gloves, should be worn, and it must be handled in a well-ventilated area. Avoid release to the environment.
How is 4-Chlorodiphenyl ether packed and shipped?
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4-Chlorodiphenyl ether is packed in compliance with safety regulations for chemical transport. As a global supplier and exporter, TSS ensures adherence to all relevant shipping and handling guidelines for international distribution.
How can I request a quote or sample of 4-Chlorodiphenyl ether?
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To request a quote or a sample of 4-Chlorodiphenyl ether, please contact our sales department through the channels provided on the Tech Serve Solutions website.
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