Biphenyl-3-carbonyl chloride
Biphenyl-3-carbonyl chloride (CAS 42498-44-2) is an organic compound with the formula C13H9ClO and a molecular weight of 216.66 g/mol. This acid halide serves as a valuable intermediate and building block in organic synthesis. Its reactive acyl chloride group facilitates the introduction of the biphenyl-3-carbonyl moiety into various molecules, making it useful in the development of complex organic structures and specialised chemical entities.

Organic Synthesis Intermediate
Biphenyl-3-carbonyl chloride acts as a key intermediate in the synthesis of more complex organic molecules. Its acyl chloride functionality readily reacts with nucleophiles such as alcohols, amines, and thiols.
Building Block for Pharmaceuticals
This compound can be utilised as a building block in the synthesis pathways of potential pharmaceutical agents. The biphenyl structure offers a versatile scaffold for drug discovery.
Material Science Research
The biphenyl moiety is incorporated into various materials; this carbonyl chloride derivative can be used to functionalise polymers or create novel organic materials with specific electronic or optical properties.
| Molecular weight | 216.66 |
|---|---|
| Empirical formula | C13H9ClO |
| Assay | 97% |
| Density | 1.213 g/mL at 25 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C,N |
| Risk statements (R) | 14-34-51 |
| Safety statements (S) | 53-26-36/37/39-43-45-61 |
| Supplemental hazards | Reacts violently with water. |
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 Biphenyl-3-carbonyl chloride used for?
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Biphenyl-3-carbonyl chloride is primarily used as an intermediate and building block in organic synthesis, including the development of pharmaceuticals and novel organic materials.
What is the CAS number and formula for Biphenyl-3-carbonyl chloride?
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The CAS number is 42498-44-2, and the chemical formula is C13H9ClO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Biphenyl-3-carbonyl chloride with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Biphenyl-3-carbonyl chloride be handled safely?
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Biphenyl-3-carbonyl chloride is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). It reacts violently with water. Handle with extreme care, wearing appropriate personal protective equipment, and avoid contact with moisture.
How is Biphenyl-3-carbonyl chloride packed and exported?
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This product is shipped under UN 3265, Class 8, Packing Group II. TSS ensures compliant packaging and export procedures for this hazardous material.
How can I request a quote or sample?
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To request a quote or sample of Biphenyl-3-carbonyl chloride, please contact our sales team through the website or via direct inquiry.
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