Description

trans-4-Chloro-2-Butene-1-Ol is a versatile chlorinated allylic alcohol intermediate with significant synthetic utility. This compound is valued for its reactive chloro and hydroxyl functional groups, enabling its use as a key building block in the synthesis of more complex molecules. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a chlorinated allylic scaffold.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where its structure can be incorporated into bioactive molecules.
• Fine Chemical Manufacturing: Acts as a building block for fragrances, flavors, and other specialty organic compounds.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new carbon-carbon and carbon-heteroatom bond-forming reactions.
• Ligand and Catalyst Preparation: Employed in the synthesis of novel ligands and organometallic catalysts for asymmetric synthesis.

Basic Information

Product Name	trans-4-Chloro-2-Butene-1-Ol
CAS No.	1576-93-8
Molecular Formula	C4H7ClO
Molecular Weight	106.55 g/mol
Synonyms	(E)-4-Chloro-2-buten-1-ol; (E)-4-Chlorobut-2-en-1-ol; trans-4-Chlorocrotyl Alcohol; 4-Chloro-2-buten-1-ol; 4-Chlorobut-2-en-1-ol; (2E)-4-Chloro-2-buten-1-ol; 4-Chloro-crotyl alcohol; 1576-93-8
EINECS	216-391-3

Quality Control

Our trans-4-Chloro-2-Butene-1-Ol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for prolonged storage or when working with large quantities.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity (trans)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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