1,1-Diphenylethanol
1,1-Diphenylethanol (CAS: 599-67-7) is an organic compound with the molecular formula CH3C(C6H5)2OH and a molecular weight of 198.26 g/mol. This tertiary alcohol, also known as α-Methylbenzhydrol, is a valuable building block in organic synthesis. It is primarily utilised in research settings for its role in studying reaction mechanisms, such as its use in the investigation of alkoxyl radicals and spiro-cyclohexadienyl intermediates.
- IUPAC
- α-Methylbenzhydrol
- Synonyms
- α-Methylbenzhydrol1-Phenylethanol, α,α-diphenyl-

Organic Synthesis Intermediate
1,1-Diphenylethanol serves as a key intermediate in the synthesis of more complex organic molecules. Its structure makes it suitable for various derivatisation reactions.
Research and Development
This compound is employed in academic and industrial R&D for mechanistic studies, notably in the investigation of alkoxyl radicals and related intermediates in chemical reactions.
Specialty Chemical Applications
As a phenyl-substituted alcohol, it finds application in specialised areas requiring its unique structural characteristics for chemical transformations.
| Molecular weight | 198.26 |
|---|---|
| Linear formula | CH3C(C6H5)2OH |
| Assay | 98% |
| Application | 1,1-Diphenylethanol was used to study the ESR spectra of the spiro-cyclohexadienyl intermediate in the alkoxyl radicals1. |
| Melting point | 77-81 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 1,1-Diphenylethanol used for?
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1,1-Diphenylethanol is used as a building block in organic synthesis and for research purposes, including the study of ESR spectra of spiro-cyclohexadienyl intermediates in alkoxyl radicals.
What is the CAS number and molecular formula for 1,1-Diphenylethanol?
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The CAS number for 1,1-Diphenylethanol is 599-67-7 and its linear molecular formula is CH3C(C6H5)2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,1-Diphenylethanol with an assay of 98%. This product is supplied for research and development purposes. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the safety considerations when handling 1,1-Diphenylethanol?
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Handling 1,1-Diphenylethanol requires appropriate personal protective equipment, including eyeshields and gloves. A P1 (EN143) or N95 (US) respirator filter may be necessary. The compound has a WGK Germany rating of 3, indicating significant environmental hazard.
Is 1,1-Diphenylethanol a controlled substance?
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The provided data does not indicate that 1,1-Diphenylethanol (CAS: 599-67-7) is a controlled substance.
How is 1,1-Diphenylethanol packed, shipped, and exported?
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Tech Serve Solutions packs and ships fine chemicals like 1,1-Diphenylethanol according to international regulations for hazardous materials, ensuring safe and compliant export globally.
How can I request a sample or quote for 1,1-Diphenylethanol?
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To request a sample or a quote for 1,1-Diphenylethanol, please visit the Tech Serve Solutions website or contact our sales department directly.
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