(R)-(−)-1-Phenyl-2-propanol
(R)-(−)-1-Phenyl-2-propanol (CAS: 1572-95-8), with the molecular formula C9H12O and a molecular weight of 136.19 g/mol, is a chiral alcohol utilised in organic synthesis. It serves as a valuable building block, particularly in asymmetric synthesis, owing to its defined stereochemistry. This compound is essential for researchers and chemists requiring enantiomerically pure starting materials for complex molecule construction.
- IUPAC
- (R)-(−)-α-Methylphenethyl alcohol

Chiral Building Block
This enantiopure alcohol is a key intermediate in the synthesis of chiral compounds, offering a defined stereochemical centre for further functionalization in complex organic molecules.
Asymmetric Synthesis
Utilised as a starting material or intermediate in stereoselective reactions, enabling the construction of specific enantiomers of target molecules in pharmaceutical and fine chemical research.
Organic Synthesis Intermediate
Serves as a versatile reagent in general organic synthesis, facilitating the creation of diverse chemical structures through various functional group transformations.
| Molecular weight | 136.19 |
|---|---|
| Empirical formula | C9H12O |
| Assay | ≥97.0% (sum of enantiomers, GC) |
| Boiling point | 95-97 °C/11 mmHg(lit.) |
| Density | 0.993 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.521 |
| Optical activity | [α]20/D −41±1°, c = 5.3% in benzene |
| Optical purity | enantiomeric ratio: ≥99:1 (GC) |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 85 °C / 185 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
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-2-propanol used for?
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(R)-(−)-1-Phenyl-2-propanol is primarily used as a chiral building block in asymmetric synthesis and as a general intermediate in organic synthesis.
What are the CAS number and chemical formula for (R)-(−)-1-Phenyl-2-propanol?
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The CAS number is 1572-95-8 and the empirical formula is C9H12O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(−)-1-Phenyl-2-propanol with an assay of ≥97.0% (sum of enantiomers, GC) and an enantiomeric ratio of ≥99:1. It is supplied as a technical/research grade material. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this chemical?
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This compound is combustible with a flash point of 85 °C (185 °F). Appropriate personal protective equipment, including eyeshields and gloves, should be used. In the US, a full-face respirator with a multi-purpose combination cartridge (type ABEK) is recommended for respiratory protection. Ensure adequate ventilation.
Is (R)-(−)-1-Phenyl-2-propanol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including (R)-(−)-1-Phenyl-2-propanol, adhering to international shipping regulations.
How can I request a sample or quote for (R)-(−)-1-Phenyl-2-propanol?
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Please contact our sales team through the website or call us directly to request a sample or a formal quotation for (R)-(−)-1-Phenyl-2-propanol.
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