Description

3,4-Dichloro-3,4,4-Trifluoro-1-Butene is a versatile fluorinated olefin intermediate of significant industrial importance. Its unique structure, featuring both chlorine and fluorine substituents, makes it a valuable building block for synthesizing advanced materials and specialty chemicals. This compound is primarily sought after by R&D laboratories and manufacturers in the pharmaceutical, agrochemical, and advanced polymer industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly those requiring fluorinated motifs for enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the introduction of fluorine and chlorine atoms can improve efficacy and environmental profile.
• Fluoropolymer & Elastomer Production: Acts as a monomer or comonomer precursor in the synthesis of specialty fluoropolymers, offering unique thermal stability, chemical resistance, and low surface energy properties.
• Refrigerant & Propellant Formulation: Employed in the research and development of next-generation fluorocarbon-based refrigerants and propellants with lower global warming potential (GWP).
• Organic Synthesis Building Block: Utilized in various organic transformations, including nucleophilic substitution and coupling reactions, to introduce functionalized fluorinated segments into complex molecules.
• Surface Active Agent & Coating Additive: Incorporated into formulations for coatings and surface treatments to impart oil, water, and stain repellency due to its fluorinated nature.

Basic Information

Product Name	3,4-Dichloro-3,4,4-Trifluoro-1-Butene
CAS No.	374-26-5
Molecular Formula	C4H3Cl2F3
Molecular Weight	194.97 g/mol
Synonyms	1-Butene, 3,4-dichloro-3,4,4-trifluoro-; 3,4-Dichloro-3,4,4-trifluorobut-1-ene; 3,4,4-Trifluoro-3,4-dichloro-1-butene; 1,2-Dichloro-1,1,2-trifluorobut-3-ene; (3,4-Dichloro-3,4,4-trifluorobut-1-ene); TFDCE; 374-26-5; NSC 9235
EINECS	206-788-3

Quality Control

Our 3,4-Dichloro-3,4,4-Trifluoro-1-Butene is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to quality ensures reliable performance in your most demanding synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids, bases, and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed and upright to prevent leakage and vapor accumulation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	1.50 - 1.55 g/mL
Boiling Point	Approx. 95-100°C

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