(R)-(−)-2-Pentanol
(R)-(−)-2-Pentanol (CAS: 31087-44-2, Formula: C5H12O) is a chiral secondary alcohol with a molecular weight of 88.15 g/mol. This optically active compound exhibits specific rotation ([α]20/D −13±1°, neat) and is primarily utilised as a building block in asymmetric synthesis and general chemical research. Available at a purity of ≥98.0% (sum of enantiomers, GC), it serves as a valuable reagent for creating stereochemically defined molecules.
Chiral Building Block
(R)-(−)-2-Pentanol is a crucial chiral intermediate for synthesising complex organic molecules. Its defined stereochemistry makes it ideal for building enantiomerically pure compounds in pharmaceutical and fine chemical research.
Asymmetric Synthesis
This enantiomerically enriched alcohol is employed in asymmetric synthesis to introduce or control chirality in target molecules. It serves as a valuable starting material for stereoselective transformations.
Organic Synthesis Reagent
As a versatile secondary alcohol, (R)-(−)-2-Pentanol can participate in a range of organic reactions, including esterification, oxidation, and substitution. Its use contributes to the construction of diverse organic frameworks.
| Molecular weight | 88.15 |
|---|---|
| Linear formula | CH3CH2CH2CH(OH)CH3 |
| Assay | ≥98.0% (sum of enantiomers, GC) |
| Boiling point | 119-120 °C(lit.) |
| Density | 0.809 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.406(lit.)n20/D 1.407 |
| Optical activity | [α]20/D −13±1°, neat |
| Optical purity | enantiomeric ratio: ≥95:5 (GC) |
| Vapour density | 3 (vs air) |
| Autoignition temp | 657 °F |
Hazard statements
- H226Flammable liquid and vapour
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 34 °C / 93.2 °F |
| Transport (UN / ADR) | UN 1105 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20-37-66 |
| Safety statements (S) | 46 |
| Supplemental hazards | Repeated exposure may cause skin dryness or cracking. |
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)-(−)-2-Pentanol used for?
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(R)-(−)-2-Pentanol is primarily used as a chiral building block in asymmetric synthesis and general organic chemical research.
What are the CAS number and formula for (R)-(−)-2-Pentanol?
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The CAS number for (R)-(−)-2-Pentanol is 31087-44-2, and its linear formula is CH3CH2CH2CH(OH)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(−)-2-Pentanol with an assay of ≥98.0% (sum of enantiomers, GC). This product is not represented as USP, BP, EP, or pharmacopoeia grade.
How should (R)-(−)-2-Pentanol be handled safely?
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(R)-(−)-2-Pentanol is a flammable liquid and vapour (H226), harmful if inhaled (H332), and may cause respiratory irritation (H335). Handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment such as gloves and safety glasses. Refer to the Safety Data Sheet for full details.
How is (R)-(−)-2-Pentanol packed and shipped?
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(R)-(−)-2-Pentanol is shipped as UN 1105, Class 3, Packing Group III. TSS exports globally, adhering to all relevant shipping regulations.
How can I request a quote or sample for (R)-(−)-2-Pentanol?
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To request a quote or sample for (R)-(−)-2-Pentanol, please contact our sales team through the TSS website or by phone.
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