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2,3-Dichloro-2-Butene CAS NO 4279-21-4
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CAS No.:4279-21-4
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2,3-Dichloro-2-Butene is a versatile chlorinated hydrocarbon intermediate of significant industrial importance. This compound is valued for its reactivity, serving as a key building block in the synthesis of more complex chemical products. It is primarily utilized by manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors for applications such as synthesis and chemical research.
Application
- Agrochemical Intermediate: A key precursor in the synthesis of certain herbicides, pesticides, and fungicides.
- Pharmaceutical Synthesis: Used as a building block in the production of active pharmaceutical ingredients (APIs) and other fine chemicals.
- Chemical Research & Development: Employed in laboratories for method development and as a reagent in organic synthesis.
- Specialty Polymer Production: Acts as a monomer or modifier in the creation of specialized polymers and resins.
- Lubricant & Additive Manufacturing: Used in the formulation of high-performance lubricants and functional additives.
- Cross-linking Agent: Utilized in processes requiring the introduction of chlorine-based cross-links into polymer matrices.
Basic Information
| Product Name | 2,3-Dichloro-2-Butene |
| CAS No. | 4279-21-4 |
| Molecular Formula | C4H6Cl2 |
| Molecular Weight | 124.99 g/mol |
| Synonyms | 2,3-Dichlorobut-2-ene; sym-Dichloro-2-butene; 2-Butene, 2,3-dichloro-; 2,3-Dichlorobutene; Dichlorobutene; 2,3-DCB |
| EINECS | 224-264-1 |
Quality Control
Our 2,3-Dichloro-2-Butene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and identity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and support your quality assurance protocols.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-25°C.
Specification
| Item | Specification |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Identification (IR) | Conforms to reference spectrum |
| Assay (GC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.1% |
| Density (20°C) | 1.18 - 1.20 g/mL |
| Boiling Point | ~ 123 - 125 °C |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





