1-Methylcyclopentanol
1-Methylcyclopentanol (CAS: 1462-03-9), with the molecular formula CH3C5H8OH and a molecular weight of 100.16 g/mol, is a tertiary alcohol. It is characterised by a solid state at room temperature (melting point 36-37 °C) and a characteristic odour. This compound serves as a valuable building block in organic synthesis, finding utility in the creation of more complex molecules within research and development settings.

Organic Synthesis Intermediate
1-Methylcyclopentanol is employed as a versatile intermediate in the synthesis of diverse organic compounds. Its tertiary alcohol functionality allows for various chemical transformations, making it a useful building block for creating novel molecular structures.
Research and Development
This chemical is utilised in research laboratories for exploring new synthetic pathways and developing innovative chemical entities. Its well-defined structure and reactivity make it a reliable reagent for academic and industrial R&D projects.
Fine Chemical Manufacturing
As a building block, 1-Methylcyclopentanol can be incorporated into multi-step syntheses for the production of fine chemicals. It contributes to the creation of specialised compounds with targeted properties.
| Molecular weight | 100.16 |
|---|---|
| Linear formula | CH3C5H8OH |
| Assay | ≥99% |
| Boiling point | 135-136 °C(lit.) |
| Density | 0.904 g/mL at 25 °C(lit.) |
| Melting point | 36-37 °C(lit.) |



Hazard statements
- H228Flammable solid
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 41 °C / 105.8 °F |
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-22-41 |
| Safety statements (S) | 26-39 |
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 1-Methylcyclopentanol used for?
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1-Methylcyclopentanol is primarily used as an intermediate and building block in organic synthesis and research and development settings for the creation of more complex molecules.
What is the CAS number and molecular formula for 1-Methylcyclopentanol?
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The CAS number for 1-Methylcyclopentanol is 1462-03-9, and its molecular formula is CH3C5H8OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Methylcyclopentanol with an assay of ≥99%. We do not represent this product as USP, BP, EP or any other pharmacopoeia grade unless explicitly stated in the specifications.
How should 1-Methylcyclopentanol be handled safely?
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1-Methylcyclopentanol is a flammable solid (H228) and is harmful if swallowed (H302), causing serious eye damage (H318). Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources.
How is 1-Methylcyclopentanol packed and exported?
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1-Methylcyclopentanol is packed according to industry standards for safe transportation and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemicals classified under UN 1325.
How can I request a quote or sample for 1-Methylcyclopentanol?
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To request a quote or sample of 1-Methylcyclopentanol, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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