Description

(Z)-1,3-Dichloro-2-Butene is a high-purity, reactive organochlorine compound with the CAS number 10075-38-4. This versatile chemical intermediate is valued for its role in synthesizing more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. It is essential for research and development chemists and industrial producers requiring a reliable building block for agrochemicals, specialty polymers, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key synthon in the production of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the manufacture of pesticides, herbicides, and other crop protection agents.
• Polymer & Resin Modifier: Serves as a reactive monomer or cross-linking agent in specialty polymer formulations.
• Organic Synthesis: A valuable reagent for Diels-Alder reactions and other cycloadditions in research and development.
• Chemical Research: Employed in academic and industrial labs for method development and novel compound synthesis.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic colorants.

Basic Information

Product Name	(Z)-1,3-Dichloro-2-Butene
CAS No.	10075-38-4
Molecular Formula	C4H6Cl2
Molecular Weight	124.99 g/mol
Synonyms	(Z)-1,3-Dichlorobut-2-ene; (Z)-1,3-Dichloro-2-butene; (2Z)-1,3-Dichloro-2-butene; trans-1,3-Dichloro-2-butene; 1,3-Dichloro-2-butene (Z-isomer); 2-Butene, 1,3-dichloro-, (Z)-; NSC 60548
EINECS	233-211-4

Quality Control

Our (Z)-1,3-Dichloro-2-Butene is manufactured under strict quality management systems. Each batch is analyzed to ensure high chemical purity and consistency, with specifications typically meeting or exceeding 98.0% purity (by GC). Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee reliable performance in your synthesis processes.

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 oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to minimize moisture uptake 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%
Specific Gravity (20°C)	1.18 - 1.22
Refractive Index (n20D)	1.468 - 1.472

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