Description

6,7-Dichlorochroman-4-One is a versatile and high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound is valued for its role as a key building block in the development of complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is essential for research and production teams focused on creating novel active ingredients, dyes, and functional materials, where precise chemical structure and reliable quality are paramount.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds with chroman or benzopyran scaffolds.
• Agrochemical Synthesis: Serves as a key building block for developing advanced herbicides, fungicides, and insecticides, leveraging its dichloro-substituted structure.
• Organic Synthesis & Research: Used in academic and industrial R&D for constructing complex heterocyclic compounds and exploring new chemical reactions.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and organic pigments, contributing to colorant properties.
• Material Science: Investigated for use in the synthesis of advanced organic materials, including polymers and liquid crystals.

Basic Information

Item	Details
Product Name	6,7-Dichlorochroman-4-One
CAS No.	27407-06-3
Molecular Formula	C9H6Cl2O2
Molecular Weight	217.05 g/mol
Synonyms	6,7-Dichloro-4-chromanone; 6,7-Dichloro-2,3-dihydro-4H-1-benzopyran-4-one; 4H-1-Benzopyran-4-one, 6,7-dichloro-2,3-dihydro-; Chroman-4-one, 6,7-dichloro-; 27407-06-3; 6,7-Dichloro-4-chromone
EINECS	Contact for details

Quality Control

Our 6,7-Dichlorochroman-4-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific project requirements, from research to commercial scale.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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