Description

1,2-Dichlorobut-2-Ene is a versatile chlorinated alkene intermediate with significant utility in organic synthesis. Its value lies in its bifunctional reactivity, serving as a key building block for the production of more complex chemical entities. This compound is essential for research and development chemists, as well as manufacturers in the agrochemical and pharmaceutical sectors, who require high-purity intermediates for specialized synthesis.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of certain herbicides, insecticides, and fungicides.
• Pharmaceutical Synthesis: Used as a versatile building block in the creation of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Organic Synthesis Reagent: Employed in various reactions, including alkylation and as a dienophile in Diels-Alder reactions for constructing complex molecular frameworks.
• Polymer & Resin Modifier: Acts as a cross-linking agent or a monomer in the production of specialty polymers and resins.
• Chemical Research & Development: A valuable compound for method development and exploratory chemistry in academic and industrial laboratories.

Basic Information

Product Name	1,2-Dichlorobut-2-Ene
CAS No.	13602-13-6
Molecular Formula	C4H6Cl2
Molecular Weight	124.99 g/mol
Synonyms	1,2-Dichloro-2-butene; 2-Butene, 1,2-dichloro-; (E)-1,2-Dichlorobut-2-ene; (Z)-1,2-Dichlorobut-2-ene; Dichlorobutene; Butadiene dichloride; 1,2-DCB
EINECS	237-106-7

Quality Control

Our 1,2-Dichlorobut-2-Ene is manufactured under stringent quality management systems 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 commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and active metals. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	1.18 - 1.22 g/mL
Boiling Point	Approx. 120 - 125°C

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