Description

Oxirane, 2,3-Diphenyl- (9Ci) CAS NO 17619-97-5 is a high-purity, symmetrical diaryl-substituted epoxide compound, valued for its role as a versatile chemical building block in advanced organic synthesis. Its rigid, aromatic structure makes it a critical intermediate for constructing complex molecular architectures, particularly in the development of specialty polymers and fine chemicals. This compound is essential for research and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel compounds with specific properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, chiral scaffold.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the diphenyloxirane moiety imparts specific biological activity.
• Polymer & Resin Modifier: Acts as a cross-linking agent or monomer in the production of high-performance epoxy resins, coatings, and adhesives with enhanced thermal and mechanical properties.
• Liquid Crystal & OLED Materials: Employed as a building block in the synthesis of organic semiconductors and liquid crystal compounds for electronic displays and devices.
• Fine Chemical & Dye Intermediate: Utilized in the multi-step synthesis of complex dyes, pigments, and other specialty organic compounds.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on epoxide ring-opening reactions and asymmetric synthesis.

Basic Information

Item	Detail
Product Name	Oxirane, 2,3-Diphenyl- (9Ci)
CAS No.	17619-97-5
Molecular Formula	C14H12O
Molecular Weight	196.24 g/mol
Synonyms	2,3-Diphenyloxirane; trans-2,3-Diphenyloxirane; Diphenyloxirane; Stilbene oxide; trans-Stilbene oxide; (2R,3R)-(+)-trans-Stilbene oxide; (2S,3S)-(-)-trans-Stilbene oxide; 1,2-Epoxy-1,2-diphenylethane
EINECS	Contact for details

Quality Control

Our Oxirane, 2,3-Diphenyl- is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	66 - 70 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.