1-Cyclopropylethanol
1-Cyclopropylethanol (CAS: 765-42-4) is an organic compound with the molecular formula C<sub>3</sub>H<sub>5</sub>CH(CH<sub>3</sub>)OH and a molecular weight of 86.13 g/mol. This secondary alcohol is a valuable building block in organic synthesis. It serves as an intermediate in the creation of more complex molecules, finding utility in research and development laboratories and in the fine chemical industry.
- IUPAC
- α-Methylcyclopropanemethanol,Cyclopropyl methyl carbinol
- Synonyms
- Cyclopropyl methyl carbinolα-Methylcyclopropanemethanol

Organic Synthesis Intermediate
1-Cyclopropylethanol is utilised as a versatile building block in the synthesis of complex organic molecules. Its structure allows for various chemical transformations, making it a key component in multi-step synthetic pathways.
Pharmaceutical Research
This compound can be employed in the early stages of drug discovery and development. It serves as a starting material or intermediate in the synthesis of potential pharmaceutical agents, contributing to the exploration of novel chemical entities.
Fine Chemical Manufacturing
As a readily available organic building block, 1-Cyclopropylethanol is used in the fine chemical sector for the production of specialised compounds. Its application aids in the manufacturing of diverse chemical products for various industrial needs.
| Molecular weight | 86.13 |
|---|---|
| Linear formula | C3H5CH(CH3)OH |
| Assay | 99% |
| Boiling point | 120-122 °C(lit.) |
| Density | 0.881 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.431(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 | 37 °C / 98.6 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| 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 1-Cyclopropylethanol used for?
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1-Cyclopropylethanol is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing.
What are the CAS number and chemical formula for 1-Cyclopropylethanol?
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The CAS number for 1-Cyclopropylethanol is 765-42-4, and its chemical formula is C3H5CH(CH3)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Cyclopropylethanol with a minimum assay of 99%. This product is supplied for research and development or industrial use and is not represented as USP, EP, BP, or pharmacopoeia grade.
How should 1-Cyclopropylethanol be handled safely?
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1-Cyclopropylethanol is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Ensure adequate fire precautions are in place.
Is 1-Cyclopropylethanol a controlled substance?
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Based on the provided data, 1-Cyclopropylethanol (CAS: 765-42-4) is not indicated as a controlled substance.
How is 1-Cyclopropylethanol packed and exported?
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1-Cyclopropylethanol is packed and exported according to international shipping regulations for hazardous materials, ensuring safe transit. Specific packaging details can be provided upon request.
How can I request a sample or quote for 1-Cyclopropylethanol?
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To request a sample or quote for 1-Cyclopropylethanol, please contact the Tech Serve Solutions sales team via the website or listed contact information.
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