4-(Diphenylhydroxymethyl)benzoic acid
4-(Diphenylhydroxymethyl)benzoic acid (CAS: 19672-49-2; C20H16O3; MW: 304.34) is a versatile organic compound featuring both a carboxylic acid and a tertiary alcohol functional group. This bifunctional nature makes it valuable in chemical synthesis and as a linker in various chemical applications. Supplied by Tech Serve Solutions with an assay of ≥98.0% (HPLC), it serves researchers and industrial chemists.
- IUPAC
- 4-(α-Hydroxybenzhydryl)benzoic acid,α,α-Diphenyl-α-hydroxy-p-toluic acid
- Synonyms
- 4-(alpha-Hydroxybenzhydryl)benzoic acidalpha,alpha-Diphenyl-alpha-hydroxy-p-toluic acid

Chemical Synthesis Intermediate
Utilised as a building block in the synthesis of more complex organic molecules. Its dual functionality allows for diverse reaction pathways, enabling the introduction of specific structural motifs.
Bifunctional Linker
Serves as a linker in creating complex molecular architectures, particularly in areas like chemical biology. The distinct functional groups can be independently reacted to connect different molecular entities.
Research and Development
Employed in academic and industrial research settings for exploring new chemical reactions, developing novel materials, and investigating structure-activity relationships in medicinal chemistry.
| Molecular weight | 304.34 |
|---|---|
| Empirical formula | C20H16O3 |
| Assay | ≥98.0% (HPLC) |
| Melting point | 210-215 °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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 4-(Diphenylhydroxymethyl)benzoic acid used for?
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4-(Diphenylhydroxymethyl)benzoic acid is primarily used as a bifunctional linker and an intermediate in chemical synthesis, including in chemical biology and general chemical research.
What are the CAS number and molecular formula?
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The CAS number is 19672-49-2, and the molecular formula is C20H16O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Diphenylhydroxymethyl)benzoic acid with a minimum purity of 98.0% as determined by HPLC. This product is typically supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should 4-(Diphenylhydroxymethyl)benzoic acid be handled?
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As indicated by GHS07, this compound is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handling requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, including 4-(Diphenylhydroxymethyl)benzoic acid.
How can I request a sample or quote?
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To request a sample or a quote for 4-(Diphenylhydroxymethyl)benzoic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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