Description

1,4-Dichloro-2,3-Butanediol Diacetate is a versatile chlorinated diacetate ester with significant utility as a key synthetic intermediate. Its bifunctional structure, featuring both halogen and ester groups, makes it a valuable building block for constructing complex molecules in fine chemical synthesis. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chlorinated or esterified backbones.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where its chlorinated structure can impart specific biological activity.
• Polymer Modification: Acts as a reactive monomer or cross-linking agent for specialty polymers, enhancing properties like flame retardancy or chemical resistance.
• Organic Synthesis Building Block: Employed in research laboratories for constructing complex organic molecules, including natural product analogs and novel chemical entities.
• Liquid Crystal & Electronic Material Precursor: Utilized in the synthesis of intermediates for advanced materials used in display technologies and electronics.

Basic Information

Product Name	1,4-Dichloro-2,3-Butanediol Diacetate
CAS No.	35128-51-9
Molecular Formula	C8H12Cl2O4
Molecular Weight	243.09 g/mol
Synonyms	1,4-Dichloro-2,3-diacetoxybutane; 2,3-Diacetoxy-1,4-dichlorobutane; 1,4-Dichlorobutane-2,3-diyl diacetate; Butanediol, 1,4-dichloro-, diacetate; (2R,3S)-1,4-Dichlorobutane-2,3-diyl diacetate (for stereoisomers); DCBD Diacetate; Dichlorodiacetoxybutane
EINECS	Contact for details

Quality Control

Our 1,4-Dichloro-2,3-Butanediol Diacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC/HPLC, identity confirmation (IR, NMR), and impurity profiling to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are provided with every shipment and are available upon request.

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 between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.25 - 1.35
Refractive Index (20°C)	1.450 - 1.470

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