(R)-(+)-1,2-Epoxyoctane
(R)-(+)-1,2-Epoxyoctane (CAS 77495-66-0), a chiral epoxide with the molecular formula C8H16O and a molecular weight of 128.21 g/mol, serves as a valuable building block in organic synthesis. Its enantiomerically pure structure makes it particularly useful in asymmetric synthesis and the preparation of complex chiral molecules. TSS offers this compound for research and chemical synthesis applications.
- IUPAC
- (R)-(+)-1-Octene oxide,(R)-(+)-2-Hexyloxirane
- Synonyms
- (R)-(+)-1-Octene oxide(R)-(+)-2-Hexyloxirane

Chiral Building Block in Organic Synthesis
This enantiopure epoxide is frequently employed as a starting material or intermediate in the synthesis of complex organic molecules where specific stereochemistry is required. It allows for the introduction of chirality into target compounds.
Asymmetric Synthesis
The inherent chirality of (R)-(+)-1,2-Epoxyoctane makes it an ideal reagent for asymmetric synthesis, enabling the creation of stereochemically defined products.
Epoxide Chemistry
As a reactive epoxide, it undergoes various ring-opening reactions with nucleophiles, providing access to a range of functionalized chiral alcohols and other derivatives.
| Molecular weight | 128.21 |
|---|---|
| Empirical formula | C8H16O |
| Assay | 97% |
| Boiling point | 60-62 °C/15 mmHg(lit.) |
| Density | 0.839 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.42(lit.) |
| Optical activity | [α]25/D +14°, neat |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| 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 3271 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 (R)-(+)-1,2-Epoxyoctane used for?
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(R)-(+)-1,2-Epoxyoctane is used as a chiral building block in organic synthesis and for asymmetric synthesis.
What is the CAS number and formula for (R)-(+)-1,2-Epoxyoctane?
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The CAS number is 77495-66-0 and the molecular formula is C8H16O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-1,2-Epoxyoctane with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
What are the primary hazards associated with (R)-(+)-1,2-Epoxyoctane?
+
(R)-(+)-1,2-Epoxyoctane is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used.
How is (R)-(+)-1,2-Epoxyoctane packaged and shipped?
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(R)-(+)-1,2-Epoxyoctane is classified under UN 3271, Class 3, Packing Group III for transport. It is exported globally by TSS.
How can I request a sample or quote for (R)-(+)-1,2-Epoxyoctane?
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Please contact our sales team via the website to request a sample or obtain a quotation for (R)-(+)-1,2-Epoxyoctane.
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