Description

cis-2,3-Epoxybutane is a highly versatile and reactive epoxide compound, serving as a critical chiral building block in advanced organic synthesis. Its value lies in its ability to introduce the oxirane functionality, enabling the construction of complex molecules with precise stereochemistry. This makes it an essential intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the production of active pharmaceutical ingredients (APIs), particularly in asymmetric synthesis.
• Agrochemical Synthesis: Building block for creating herbicides, fungicides, and insecticides with specific stereochemical properties.
• Polymer & Resin Modification: Used as a cross-linking agent or monomer to modify the properties of epoxy resins and other polymers.
• Fine Chemical Production: Intermediate in the synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial-scale reactions for ring-opening and nucleophilic addition chemistry.
• Surface Active Agent Precursor: Used in the manufacture of certain non-ionic surfactants and emulsifiers.

Basic Information

Product Name	cis-2,3-Epoxybutane
CAS No.	1758-33-4
Molecular Formula	C4H8O
Molecular Weight	72.11 g/mol
Synonyms	cis-2,3-Butylene Oxide; (2R,3S)-2,3-Epoxybutane; (2S,3R)-2,3-Epoxybutane; 2,3-Epoxybutane (cis-); 2-Butene, 2,3-epoxy-, (Z)-; Butane, 2,3-epoxy-, (2R,3S)-rel-; 1,2-Dimethyloxirane (cis-); DL-three-2,3-Epoxybutane
EINECS	217-170-0

Quality Control

Our cis-2,3-Epoxybutane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request, supporting compliance with research and industrial application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, containers must be kept tightly sealed and under appropriate conditions to prevent loss and maintain purity. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
cis-Isomer Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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