(S)-(−)-1,1,2-Triphenyl-1,2-ethanediol
(S)-(−)-1,1,2-Triphenyl-1,2-ethanediol (CAS: 108998-83-0) is a chiral polyol with a molecular weight of 290.36 g/mol. This compound is primarily utilised as a building block in asymmetric synthesis and organic chemical research. Its specific stereochemistry makes it valuable for constructing complex chiral molecules, contributing to advancements in medicinal chemistry and materials science. Supplied by Tech Serve Solutions, it is offered at a high purity for demanding laboratory applications.
- Synonyms
- 2-ethanediol,108998-83-0, C6H5CH(OH)C(C6H5)2OH

Asymmetric Synthesis
Serves as a crucial chiral building block in asymmetric synthesis, enabling the stereoselective creation of complex organic molecules. Its defined stereochemistry is instrumental in developing enantiomerically pure compounds for pharmaceutical research.
Organic Synthesis
Functions as a versatile reagent in general organic synthesis. Its diol functionality allows for various chemical transformations, including esterification, etherification, and oxidation reactions, supporting diverse research projects.
Chiral Ligand Development
Can be employed in the design and synthesis of chiral ligands for transition metal catalysis. These ligands are essential for controlling the stereochemical outcome of catalytic reactions.
Materials Science Research
Potential applications exist in materials science for the development of chiral polymers and functional materials. Its unique structure can impart specific optical or electronic properties to novel materials.
| Molecular weight | 290.36 |
|---|---|
| Linear formula | C6H5CH(OH)C(C6H5)2OH |
| Assay | 99% |
| Optical activity | [α]20/D −214°, c = 1 in ethanol |
| Melting point | 125-127 °C(lit.) |

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 (S)-(−)-1,1,2-Triphenyl-1,2-ethanediol used for?
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(S)-(−)-1,1,2-Triphenyl-1,2-ethanediol is primarily used as a chiral building block in asymmetric synthesis and organic chemical research, enabling the stereoselective construction of complex molecules.
What is the CAS number and chemical formula for this compound?
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The CAS number is 108998-83-0, and the linear chemical formula is C6H5CH(OH)C(C6H5)2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-1,1,2-Triphenyl-1,2-ethanediol with an assay of 99%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should (S)-(−)-1,1,2-Triphenyl-1,2-ethanediol be handled?
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This compound is a warning irritant. Handle with appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust. Avoid contact with eyes, skin, and clothing.
How is this chemical packed, shipped, and exported?
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Products are carefully packed according to international shipping regulations and are available for global export by Tech Serve Solutions.
How can I request a sample or quote for (S)-(−)-1,1,2-Triphenyl-1,2-ethanediol?
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Please contact our sales team directly through the website or by phone to request a sample or a formal quotation.
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