Bis(4-chlorophenyl)acetic acid
Bis(4-chlorophenyl)acetic acid (CAS: 83-05-6) is a chemical compound with the linear formula (ClC6H4)2CHCO2H and a molecular weight of 281.13 g/mol. This carboxylic acid derivative serves as a valuable building block in organic synthesis. It is primarily employed in research and development settings for the creation of more complex molecules, particularly within the fields of chemical synthesis and materials science. Its defined structure makes it a useful starting material for various chemical transformations.
- IUPAC
- 4,4′-DDA

Organic Synthesis Intermediate
Bis(4-chlorophenyl)acetic acid is a key intermediate in the synthesis of diverse organic compounds. Its carboxylic acid functionality and diarylmethane core allow for a range of chemical modifications, facilitating the construction of complex molecular architectures.
Research and Development
This compound is frequently utilised in academic and industrial research laboratories. It serves as a precursor for developing novel compounds with potential applications in areas such as medicinal chemistry and materials science.
Building Block for Speciality Chemicals
As a functionalised organic building block, Bis(4-chlorophenyl)acetic acid is employed in the production of speciality chemicals. Its unique structure contributes to the development of molecules with specific properties.
| Molecular weight | 281.13 |
|---|---|
| Linear formula | (ClC6H4)2CHCO2H |
| Assay | 98% |
| Melting point | 167-169 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-40 |
| Safety statements (S) | 7-22-36-45 |
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 Bis(4-chlorophenyl)acetic acid used for?
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Bis(4-chlorophenyl)acetic acid is primarily used as a building block in organic synthesis and in research and development for creating more complex molecules.
What is the CAS number and formula for Bis(4-chlorophenyl)acetic acid?
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The CAS number is 83-05-6 and the linear formula is (ClC6H4)2CHCO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(4-chlorophenyl)acetic acid with an assay of 98%. This is typically considered a research or technical grade, and we do not represent it as USP, BP, or EP grade unless explicitly stated.
What are the main safety concerns when handling Bis(4-chlorophenyl)acetic acid?
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Bis(4-chlorophenyl)acetic acid is classified as harmful if swallowed, in contact with skin, or if inhaled, and is suspected of causing cancer (H302, H312, H332, H351). Appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves should be used. Handle in a well-ventilated area.
How is Bis(4-chlorophenyl)acetic acid packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging is designed to maintain product integrity and comply with international shipping regulations for hazardous materials.
How can I request a quote or sample for Bis(4-chlorophenyl)acetic acid?
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Please contact our sales team or use the online form to request a quotation or sample of Bis(4-chlorophenyl)acetic acid.
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