Description

2,3-Dihydro-1,4-Benzodioxine-5-Carbonyl Chloride is a high-purity, reactive organic intermediate of significant importance in advanced chemical synthesis. Its core value lies in its function as a versatile acylating agent, enabling the efficient introduction of the 2,3-dihydro-1,4-benzodioxin-5-carbonyl moiety into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active pharmaceutical ingredients (APIs) and novel crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing complex heterocyclic compounds with potential therapeutic activity.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and insecticides that incorporate the benzodioxine scaffold.
• Material Science Research: Serves as a precursor for monomers or functionalized polymers in specialty material development.
• Ligand and Catalyst Preparation: Employed in the synthesis of specialized ligands for metal complexes used in catalysis.
• Custom Synthesis and R&D: A critical reagent for contract research organizations (CROs) and academic laboratories exploring new chemical entities.
• Fine Chemical Production: Integral to the multi-step synthesis of dyes, flavors, and fragrances requiring specific benzodioxine structures.

Basic Information

Product Name	2,3-Dihydro-1,4-Benzodioxine-5-Carbonyl Chloride
CAS No.	38871-41-9
Molecular Formula	C9H7ClO3
Molecular Weight	198.60 g/mol
Synonyms	1,4-Benzodioxine-5-carbonyl chloride, 2,3-dihydro-; 2,3-Dihydro-1,4-benzodioxine-5-carboxylic acid chloride; 5-Chlorocarbonyl-2,3-dihydro-1,4-benzodioxin; 1,4-Benzodioxan-5-carbonyl chloride; 2,3-Dihydrobenzo[b][1,4]dioxine-5-carbonyl chloride; 5-(Chloroformyl)-2,3-dihydro-1,4-benzodioxine
EINECS	Contact for details

Quality Control

Our 2,3-Dihydro-1,4-Benzodioxine-5-Carbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent reactivity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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