Description

2-Chloro-2-Butene is a versatile chlorinated olefin intermediate with significant utility in organic synthesis. Its high reactivity, stemming from the allylic chlorine and the double bond, makes it a valuable building block for the production of specialty chemicals and fine pharmaceuticals. This compound is primarily sought after by R&D laboratories and industrial manufacturers in the agrochemical, pharmaceutical, and polymer sectors for applications requiring precise chemical modifications.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Agrochemical Synthesis: Used in the manufacture of herbicides, pesticides, and other crop protection agents.
• Polymer & Resin Modifier: Acts as a reactive monomer or cross-linking agent in the production of specialty polymers and coatings.
• Organic Synthesis Reagent: Employed in laboratories for alkylation, addition, and other carbon-carbon bond-forming reactions.
• Flavor & Fragrance Industry: Utilized as an intermediate in the creation of specific aroma chemicals.
• Chemical Research & Development: A fundamental compound for method development and exploratory chemistry in academic and industrial settings.

Basic Information

Product Name	2-Chloro-2-Butene
CAS No.	4461-41-0
Molecular Formula	C4H7Cl
Molecular Weight	90.55 g/mol
Synonyms	2-Butenyl chloride; 2-Chlorobut-2-ene; Crotyl chloride; (E)-2-Chloro-2-butene; (Z)-2-Chloro-2-butene; 1-Chloro-2-methylpropene; 2-Chloro-2-buten
EINECS	224-708-1

Quality Control

Our 2-Chloro-2-Butene is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of industrial and research applications, ensuring reliable performance in your processes.

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 upright to minimize evaporation and pressure build-up. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Purity (GC Area %)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.92 - 0.94 g/mL
Boiling Point	Approx. 68-70°C

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