4-Cyclopentylphenol
4-Cyclopentylphenol (CAS: 1518-83-8), a phenol derivative with the molecular formula C 9 H 12 O and a molecular weight of 162.23 g/mol, is a valuable organic building block. This compound, characterised by its phenol ring substituted with a cyclopentyl group, finds utility in chemical synthesis. Its technical grade and 95% assay make it suitable for various industrial and research applications where precise chemical structures are paramount.

Chemical Synthesis Intermediate
4-Cyclopentylphenol serves as a versatile intermediate in the synthesis of more complex organic molecules. Its phenolic hydroxyl group and the cyclopentyl moiety allow for diverse chemical transformations.
Organic Building Block
As an organic building block, this compound is employed in the construction of novel chemical entities across various fields of chemistry. Its structure is amenable to functionalisation and incorporation into larger molecular frameworks.
Research and Development
Utilised in R&D settings, 4-Cyclopentylphenol aids in exploring new synthetic pathways and developing innovative chemical products. Its specific structure offers unique properties for targeted research objectives.
| Molecular weight | 162.23 |
|---|---|
| Linear formula | C5H9C6H4OH |
| Assay | 95% |
| Grade | technical grade |
| Boiling point | 155 °C/12 mmHg(lit.) |
| Melting point | 64-66 °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) | 26-37/39 |
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-Cyclopentylphenol used for?
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4-Cyclopentylphenol is used as a chemical synthesis intermediate and an organic building block in research and development.
What are the CAS number and formula for 4-Cyclopentylphenol?
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The CAS number is 1518-83-8 and the linear formula is C 9 H 12 O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Cyclopentylphenol in technical grade with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 4-Cyclopentylphenol?
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4-Cyclopentylphenol is classified with GHS07 signal word 'Warning' and hazard statements H315, H319, H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Use a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is 4-Cyclopentylphenol packed, shipped, and exported?
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4-Cyclopentylphenol is carefully packed and exported by Tech Serve Solutions in compliance with all relevant international shipping and hazardous materials regulations.
How can I request a quote or sample of 4-Cyclopentylphenol?
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To request a quote or sample of 4-Cyclopentylphenol, please contact the Tech Serve Solutions sales team via our website or direct inquiry.
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