cis-1,2-Cyclopentanediol
cis-1,2-Cyclopentanediol (CAS 5057-98-7) is a diol with the molecular formula C5H10O2 and a molecular weight of 102.13 g/mol. This organic compound serves as a valuable building block in chemical synthesis, particularly in the creation of complex organic molecules. Its polyol structure makes it suitable for various chemical transformations, finding utility in research and development settings.
- Synonyms
- C5H8(OH)2cis-Cyclopentane-1,2-diol

Organic Synthesis
Utilised as a chiral building block or intermediate in the synthesis of more complex organic molecules. Its diol functionality allows for diverse chemical modifications.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel compounds.
Material Science
Potential applications in the development of polymers or specialised materials due to its diol structure, allowing for chain extension or cross-linking.
| Molecular weight | 102.13 |
|---|---|
| Linear formula | C5H8(OH)2 |
| Assay | ≥97.0% (GC) |
| Boiling point | 108-109 °C/20 mmHg(lit.) |
| Melting point | 24-28 °C(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| 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 cis-1,2-Cyclopentanediol used for?
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cis-1,2-Cyclopentanediol is primarily used as a building block in organic synthesis and for research and development purposes in chemistry and material science.
What is the CAS number and formula for cis-1,2-Cyclopentanediol?
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The CAS number is 5057-98-7, and its linear formula is C5H8(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-1,2-Cyclopentanediol with an assay of ≥97.0% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should cis-1,2-Cyclopentanediol be handled?
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Handle cis-1,2-Cyclopentanediol with appropriate personal protective equipment, including eyeshields and gloves, to avoid contact. Ensure adequate ventilation.
Is cis-1,2-Cyclopentanediol a controlled substance?
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Based on the provided data, cis-1,2-Cyclopentanediol is not indicated as a controlled substance.
How is cis-1,2-Cyclopentanediol packed and exported?
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We provide this chemical in suitable packaging for research and industrial use and export globally, adhering to all relevant regulations.
How can I request a quote or sample of cis-1,2-Cyclopentanediol?
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To request a quote or sample, please use the contact form on our website or call our sales team, referencing the product name and CAS number.
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