(R)-(+)-1-Phenyl-1-propanol
(R)-(+)-1-Phenyl-1-propanol (CAS: 1565-74-8), with the molecular formula C2H5CH(C6H5)OH and a molar mass of 136.19 g/mol, is a chiral alcohol. It is a valuable building block in organic synthesis, particularly utilised in asymmetric synthesis and the preparation of complex molecules. Its specific stereochemistry makes it an important intermediate for enantioselective reactions in the pharmaceutical and fine chemical industries.
- IUPAC
- (R)-(+)-α-Ethylbenzyl alcohol
- Synonyms
- (R)-(+)-α-Ethylbenzyl alcohol

Asymmetric Synthesis
This chiral alcohol serves as a key starting material or intermediate in asymmetric synthesis, enabling the creation of enantiomerically pure compounds. Its defined stereochemistry is crucial for directing the stereochemical outcome of subsequent reactions.
Pharmaceutical Intermediates
It functions as a vital building block in the synthesis pathways of various pharmaceutical agents. Its enantiopurity is often a requirement for drug efficacy and safety, making it a sought-after intermediate.
Chiral Building Block
As an organic building block, (R)-(+)-1-Phenyl-1-propanol provides a stereochemically defined phenylpropanol moiety for constructing larger, complex chiral molecules. It is useful in the development of novel chemical entities.
Derivatization Reagent
This compound can be employed as a derivatization reagent in analytical chemistry, particularly for chromatographic methods like HPLC. Derivatisation can enhance detectability or separability of analytes.
| Molecular weight | 136.19 |
|---|---|
| Linear formula | C2H5CH(C6H5)OH |
| Assay | 99% |
| Grade | puriss. |
| Boiling point | 218-220 °C(lit.) |
| Density | 0.993 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.5196(lit.) |
| Optical activity | [α]20/D +48°, c = 2.25 in hexane |
| Optical purity | ee: 99% (GLC) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 23-24/25 |
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 (R)-(+)-1-Phenyl-1-propanol used for?
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(R)-(+)-1-Phenyl-1-propanol is primarily used in asymmetric synthesis and as a chiral building block for the preparation of pharmaceutical intermediates and other complex organic molecules. It can also function as a derivatisation reagent in analytical chemistry.
What is the CAS number and chemical formula for (R)-(+)-1-Phenyl-1-propanol?
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The CAS number is 1565-74-8, and the chemical formula is C2H5CH(C6H5)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-1-Phenyl-1-propanol at a 'puriss.' grade with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should (R)-(+)-1-Phenyl-1-propanol be handled safely?
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This compound is classified as harmful if swallowed (H302). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Handle in a well-ventilated area and avoid ingestion.
Is (R)-(+)-1-Phenyl-1-propanol packed and shipped internationally by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including (R)-(+)-1-Phenyl-1-propanol, and handles international shipping according to relevant regulations.
How can I request a sample or quote for (R)-(+)-1-Phenyl-1-propanol?
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To request a sample or a quotation for (R)-(+)-1-Phenyl-1-propanol, please contact our sales team through the website or by direct inquiry, providing your specific requirements.
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