Description

cis-1-Chloro-1-Butene is a versatile halogenated olefin monomer and a valuable synthetic intermediate in organic chemistry. Its unique structure, featuring both a reactive chlorine atom and a carbon-carbon double bond, makes it a critical building block for the synthesis of more complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new materials and active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and other crop protection agents.
• Polymer & Resin Modification: Acts as a monomer or co-monomer for the production of specialty polymers, coatings, and adhesives.
• Organic Synthesis Reagent: Employed in cross-coupling reactions, alkylation processes, and as a starting material for other functionalized butenes.
• Liquid Crystal & Electronic Material Research: Investigated as a component in the development of advanced materials for display and semiconductor applications.
• Flavor & Fragrance Industry: Utilized in the synthesis of certain aroma chemicals and flavoring agents.

Basic Information

Item	Detail
Product Name	cis-1-Chloro-1-Butene
CAS No.	7611-86-1
Molecular Formula	C4H7Cl
Molecular Weight	90.55 g/mol
Synonyms	(Z)-1-Chloro-1-butene; (Z)-1-Chlorobut-1-ene; 1-Chloro-1-butene (cis-); (Z)-1-Butenyl chloride; cis-1-Butenyl chloride; 1-Butene, 1-chloro-, (Z)-; 1-Chlorobut-1-ene (cis); 1-Chloro-cis-1-butene
EINECS	231-522-5

Quality Control

Our cis-1-Chloro-1-Butene is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR), to ensure high purity and consistent chemical identity. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0% (cis-isomer)
Purity (GC Area %)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.90 - 0.92 g/mL
Boiling Point	Approx. 84-86°C

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