(+)-Limonene 1,2-epoxide

CAS 203719-54-4C10H16OChemical Synthesis

(+)-Limonene 1,2-epoxide (CAS: 203719-54-4), a chiral epoxide with the molecular formula C10H16O, serves as a valuable building block in asymmetric synthesis. This compound's defined stereochemistry makes it particularly useful for constructing complex chiral molecules. It is employed in chemical synthesis, offering a reactive epoxide functionality for diverse organic transformations and is a key intermediate for developing novel compounds.

IUPAC: (+)-p-Mentha-1,8-diene 1,2-epoxide,(4R)-1,2-Epoxy-p-menth-8-ene,(4R)-4-Isopropenyl-1-methyl-1-cyclohexene 1,2-epoxide
Synonyms: (+)-p-Mentha-1,8-diene 1,2-epoxide(4R)-1,2-Epoxy-p-menth-8-ene(4R)-4-Isopropenyl-1-methyl-1-cyclohexene 1,2-epoxide

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(+)-Limonene 1,2-epoxide (C10H16O) — chemical structure, CAS 203719-54-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksEpoxidesOrganic Building Blocks

01 /Applications

Chiral Building Block

(+)-Limonene 1,2-epoxide is a crucial chiral synthon for the stereoselective synthesis of complex organic molecules, including pharmaceuticals and natural products. Its defined stereochemistry allows for precise control over the chirality of resulting products.

Asymmetric Synthesis

This epoxide is utilized in asymmetric synthesis to introduce specific stereocentres. Its inherent chirality can be transferred to target molecules, enabling the creation of enantiomerically enriched compounds.

Epoxide Chemistry

As an epoxide, it participates in ring-opening reactions with various nucleophiles, leading to functionalised chiral alcohols and other derivatives, which are versatile intermediates in organic chemistry.

02 /Properties

Molecular weight	152.23
Empirical formula	C10H16O
Assay	≥97.0% (sum of isomers, GC)
Boiling point	113-114 °C/50 mmHg(lit.)
Density	0.930 g/mL at 20 °C(lit.)
Refractive index	n20/D 1.467
Optical activity	[α]20/D +70.5±3°, neat
Optical purity	ee: 98% (GLC)
Storage temperature	2-8°C

03 /Safety & handling

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	65 °C / 149 °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.

04 /Identifiers & registry

CAS number

203719-54-4

MDL number

MFCD00074770

Beilstein registry

80231

05 /Quality & supply

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.

06 /Frequently asked questions

What is (+)-Limonene 1,2-epoxide used for?

It is primarily used as a chiral building block in asymmetric synthesis and various chemical synthesis applications due to its reactive epoxide functionality and defined stereochemistry.

What is the CAS number and formula for (+)-Limonene 1,2-epoxide?

The CAS number is 203719-54-4 and the empirical formula (Hill notation) is C10H16O. The molecular weight is 152.23 g/mol.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (+)-Limonene 1,2-epoxide with an assay of ≥97.0% (sum of isomers, GC) and an optical purity of ee: 98% (GLC). TSS does not represent this product as USP, BP, EP or other pharmacopoeia grades.

What are the safety and handling recommendations for (+)-Limonene 1,2-epoxide?

Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. It has a flash point of 65°C (149°F) and is classified under NA 1993 / PGIII for transport.