Description

Butyl 2,3,4,4,4-Pentachlorocrotonate is a specialized organochlorine ester compound with the CAS registry number 21824-93-1. This chemical serves as a critical intermediate and functional additive in advanced synthesis, valued for its unique pentachlorinated structure. It is primarily utilized by industrial chemists and formulators in the agrochemical, pharmaceutical, and specialty polymer sectors for developing high-performance products.

Application

• Agrochemical Intermediate: A key building block in the synthesis of advanced pesticides, herbicides, and fungicides, leveraging its chlorinated backbone for enhanced bioactivity.
• Pharmaceutical Synthesis: Used as a specialized reagent or intermediate in the research and development of active pharmaceutical ingredients (APIs) with complex halogenated motifs.
• Polymer Additive: Functions as a flame retardant precursor or a modifying agent in the production of specialty plastics and coatings to improve material properties.
• Chemical Research: Employed in academic and industrial R&D laboratories for studying organochlorine chemistry and developing novel synthetic methodologies.
• Specialty Chemical Manufacturing: Acts as a versatile intermediate for producing other fine chemicals, dyes, and performance materials.

Basic Information

Product Name	Butyl 2,3,4,4,4-Pentachlorocrotonate
CAS No.	21824-93-1
Molecular Formula	C9H9Cl5O2
Molecular Weight	340.38 g/mol
Synonyms	Butyl Pentachlorocrotonate; 2,3,4,4,4-Pentachlorobut-2-enoic Acid Butyl Ester; Crotonic Acid, 2,3,4,4,4-Pentachloro-, Butyl Ester; Butyl 2,3,4,4,4-Pentachloro-2-butenoate; Pentachlorocrotonic Acid Butyl Ester; Butyl Ester of Pentachlorocrotonic Acid
EINECS	Contact for details

Quality Control

Our Butyl 2,3,4,4,4-Pentachlorocrotonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency meet the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing specific test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Ensure the container is kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.55 g/cm³

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