Description

1,4-Dichloro-2,3-Diiodo-2-Butene is a halogenated organic intermediate of significant interest in advanced chemical synthesis. This compound matters for its unique molecular architecture, featuring both chlorine and iodine substituents, which makes it a versatile building block for constructing complex molecules. It is primarily needed by research chemists and process development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring halogenated scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and pesticides where its dihalogenated structure can impart specific biological activity.
• Organic Synthesis Building Block: A valuable reagent in cross-coupling reactions (e.g., Suzuki, Stille) and other transition metal-catalyzed transformations due to the presence of reactive carbon-iodine and carbon-chlorine bonds.
• Material Science Research: Investigated for the preparation of specialized monomers or additives that can modify polymer properties.
• Chemical Research & Development: Employed in academic and industrial R&D settings for methodological studies and the exploration of new synthetic pathways.

Basic Information

Product Name	1,4-Dichloro-2,3-Diiodo-2-Butene
CAS No.	19095-67-1
Molecular Formula	C4H4Cl2I2
Molecular Weight	399.79 g/mol
Synonyms	1,4-Dichloro-2,3-diiodobut-2-ene; 2-Butene, 1,4-dichloro-2,3-diiodo-; (E)-1,4-Dichloro-2,3-diiodo-2-butene; (Z)-1,4-Dichloro-2,3-diiodo-2-butene; trans-1,4-Dichloro-2,3-diiodo-2-butene; cis-1,4-Dichloro-2,3-diiodo-2-butene; Dichlorodiiodobutene
EINECS	Contact for details

Quality Control

Our 1,4-Dichloro-2,3-Diiodo-2-Butene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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