Description

4-Chloro-1-Butanol is a versatile chlorinated alcohol intermediate of significant importance in fine chemical synthesis. Its bifunctional nature, featuring both a reactive chloro group and a hydroxyl group, makes it a valuable building block for constructing more complex molecules. This compound is primarily utilized by the pharmaceutical, agrochemical, and specialty chemical industries for the production of active ingredients, polymers, and other functional materials.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of various active pharmaceutical ingredients (APIs), including potential antiviral and cardiovascular drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or chain extender in the manufacture of specialty polyesters, polyurethanes, and epoxy resins.
• Liquid Crystal & Electronic Chemicals: A precursor in the synthesis of compounds used in liquid crystal displays (LCDs) and other electronic materials.
• Organic Synthesis Building Block: Employed in nucleophilic substitution and cyclization reactions to create heterocyclic compounds and other fine chemicals.
• Surface Active Agent Precursor: Used to synthesize surfactants and emulsifiers for industrial applications.

Basic Information

Product Name	4-Chloro-1-Butanol
CAS No.	928-51-8
Molecular Formula	C4H9ClO
Molecular Weight	108.57 g/mol
Synonyms	4-Chlorobutanol; 4-Chloro-1-hydroxybutane; 1-Chloro-4-hydroxybutane; 4-Chlorobutan-1-ol; ω-Chlorobutyl alcohol; Tetramethylene chlorohydrin; Butanol, 4-chloro-; NSC 60530
EINECS	213-177-5

Quality Control

Our 4-Chloro-1-Butanol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation (IR), to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

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). Due to its hygroscopic nature, containers should be kept tightly sealed to prevent moisture absorption. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.455
Density (g/mL, 20°C)	1.08 - 1.12

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