Cyclopentanol
Cyclopentanol (CAS: 96-41-3, Formula: C5H9OH) is a cyclic secondary alcohol with a molecular weight of 86.13 g/mol. This clear, colourless liquid serves as a valuable building block in organic synthesis. It is widely utilised in the chemical industry for the preparation of various organic compounds and intermediates.

Organic Synthesis Intermediate
Cyclopentanol is employed as a key intermediate in the synthesis of more complex organic molecules. Its hydroxyl group can undergo various reactions, making it versatile for creating diverse chemical structures.
Pharmaceutical Building Block
This alcohol serves as a foundational component in the development of pharmaceutical compounds. It is used in multi-step syntheses to construct pharmacologically active ingredients.
Reagent in Chemical Research
In research laboratories, cyclopentanol functions as a reagent for specific chemical transformations and studies. Its predictable reactivity aids in exploring new synthetic pathways.
| Molecular weight | 86.13 |
|---|---|
| Linear formula | C5H9OH |
| Assay | 99% |
| Boiling point | 139-140 °C(lit.) |
| Density | 0.948 g/mL at 20 °C0.949 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.453(lit.) |
| Melting point | −19 °C(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 51 °C / 123.8 °F |
| Transport (UN / ADR) | UN 2244 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Risk statements (R) | 10 |
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 Cyclopentanol used for?
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Cyclopentanol is primarily used as an intermediate and building block in organic synthesis, particularly in the pharmaceutical and chemical industries for creating more complex molecules.
What is the CAS number and formula for Cyclopentanol?
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The CAS number for Cyclopentanol is 96-41-3, and its chemical formula is C5H9OH.
What grade and purity does Tech Serve Solutions supply for Cyclopentanol?
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Tech Serve Solutions supplies Cyclopentanol with a minimum assay of 99%. This product is intended for laboratory and industrial use, and we do not represent it as USP, BP, or EP grade.
How should Cyclopentanol be handled?
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Cyclopentanol is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and adequate respiratory protection, in a well-ventilated area, away from ignition sources.
How is Cyclopentanol packed and shipped?
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Cyclopentanol is typically packed in UN-approved containers suitable for flammable liquids and is shipped in compliance with international regulations for hazardous materials. We export globally.
How can I request a sample or quote for Cyclopentanol?
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To request a sample or a quote for Cyclopentanol, please contact our sales team through the website or by email, providing your specific requirements.
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