4-Phenylphenol
4-Phenylphenol (CAS: 92-69-3), with the molecular formula C₁₂H₁₀O and a molecular weight of 170.21 g/mol, is a crystalline organic compound. Also known as 4-hydroxybiphenyl, it functions as a valuable intermediate in chemical synthesis and finds applications in various biological and chemical research fields. Its chemical structure makes it a useful building block for more complex molecules.
- IUPAC
- 4-Hydroxybiphenyl
- Synonyms
- 4-Hydroxybiphenylp-PhenylphenolPhenol, p-phenyl-Biphenyl-4-ol4-Biphenylol

Chemical Synthesis Intermediate
4-Phenylphenol serves as a crucial building block in organic synthesis. Its phenolic hydroxyl group and phenyl ring allow for diverse chemical modifications, making it useful in the production of dyes, resins, and other specialty chemicals.
Research and Development
This compound is utilized in biochemical and cell biology research. Its properties as a bioactive small molecule make it a subject of study for various biological interactions and pathways.
Material Science Applications
Derivatives of 4-phenylphenol can be incorporated into polymers and materials. Its structure may impart specific thermal or optical properties to advanced materials.
| Molecular weight | 170.21 |
|---|---|
| Linear formula | C6H5C6H4OH |
| Assay | 99% |
| Boiling point | 321 °C(lit.) |
| Melting point | 164-166 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 160 °C / 320 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 38-51/53 |
| Safety statements (S) | 26-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | rat ... Ar(24208) |
|---|---|
| Purified By | sublimation |
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-Phenylphenol used for?
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4-Phenylphenol (CAS: 92-69-3) is used as an intermediate in chemical synthesis, a building block in organic chemistry, and in research for cell biology and material science applications.
What are the CAS number and molecular formula for 4-Phenylphenol?
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The CAS number for 4-Phenylphenol is 92-69-3, and its molecular formula is C₁₂H₁₀O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Phenylphenol with an assay of 99%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 4-Phenylphenol be handled safely?
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4-Phenylphenol is classified with GHS07 and GHS09 symbols and a 'Warning' signal word. It is known to cause skin irritation (H315) and is toxic to aquatic life with long-lasting effects (H411). Appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves, should be worn. Handle in a well-ventilated area, avoiding release into the environment (P273).
How is 4-Phenylphenol packed and shipped?
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4-Phenylphenol is packaged for safe transport according to international regulations (UN 3077, 9/PGIII). Tech Serve Solutions, a specialist global supplier, exporter, and exporter, ensures secure packaging for all chemical shipments worldwide.
How can I request a sample or quote for 4-Phenylphenol?
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To request a sample or obtain a quote for 4-Phenylphenol, please contact the Tech Serve Solutions sales team through our website or direct inquiry channels.
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