Biphenyl-2-carboxaldehyde
Biphenyl-2-carboxaldehyde (CAS: 1203-68-5; Formula: C6H5C6H4CHO; MW: 182.22) is an organic compound featuring an aldehyde group attached to a biphenyl structure. It serves as a valuable intermediate and building block in organic synthesis, particularly in the creation of more complex molecules for research and development purposes. This compound is typically supplied at an assay of 96% and is stored under refrigeration.
- IUPAC
- 2-Biphenylcarboxaldehyde
- Synonyms
- 2-Biphenylcarboxaldehyde

Organic Synthesis Intermediate
Biphenyl-2-carboxaldehyde is frequently employed as a key building block in the synthesis of diverse organic compounds. Its reactive aldehyde functionality allows for a range of chemical transformations, facilitating the construction of complex molecular architectures.
Research and Development
This chemical is utilised in academic and industrial research laboratories for the exploration of new chemical pathways and the development of novel materials or active pharmaceutical ingredients. Its specific structure makes it suitable for various coupling and derivatisation reactions.
Precursor for Specialty Chemicals
The compound can serve as a precursor in the multi-step synthesis of specialty chemicals, where the biphenyl moiety and the aldehyde group can be selectively modified to achieve desired functional properties.
| Molecular weight | 182.22 |
|---|---|
| Linear formula | C6H5C6H4CHO |
| Assay | 96% |
| Boiling point | 91-92 °C/0.15 mmHg(lit.) |
| Density | 1.130 g/mL at 25 °C(lit.) |
| Refractive index | n20/D >1.6220(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 102 °C / 215.6 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-2-carboxaldehyde used for?
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Biphenyl-2-carboxaldehyde is used as an intermediate and building block in organic synthesis, and in research and development for creating complex molecules and specialty chemicals.
What is the CAS number and molecular formula for Biphenyl-2-carboxaldehyde?
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The CAS number is 1203-68-5 and the molecular formula is C6H5C6H4CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Biphenyl-2-carboxaldehyde with an assay of 96%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations for handling Biphenyl-2-carboxaldehyde?
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Biphenyl-2-carboxaldehyde is a Warning substance with H315, H319, and H335 hazard statements, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. It should be stored at 2-8°C.
How is Biphenyl-2-carboxaldehyde packed, shipped, or exported?
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As a global supplier and exporter, Tech Serve Solutions handles the packing, shipping, and export of Biphenyl-2-carboxaldehyde in compliance with all relevant regulations for chemical substances.
How can I request a sample or quote for Biphenyl-2-carboxaldehyde?
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To request a sample or a quote for Biphenyl-2-carboxaldehyde, please contact the Tech Serve Solutions sales team through the provided channels on our website.
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