Description

5,6-Dichloro-3,4-Dihydronaphthalen-2(1H)-One is a high-purity, synthetically valuable chlorinated tetralone derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those with naphthalene-based scaffolds.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and insecticides requiring chlorinated aromatic systems.
• Organic Synthesis Reagent: Versatile starting material for Diels-Alder reactions, reduction processes, and further functionalization to create specialty chemicals.
• Material Science Research: Used in the development of organic semiconductors, liquid crystals, and advanced polymeric materials.
• Academic & Industrial R&D: Essential for methodological studies and exploring new chemical transformations in process chemistry.

Basic Information

Product Name	5,6-Dichloro-3,4-Dihydronaphthalen-2(1H)-One
CAS No.	57915-88-5
Molecular Formula	C10H8Cl2O
Molecular Weight	215.08 g/mol
Synonyms	5,6-Dichloro-3,4-dihydro-2(1H)-naphthalenone; 5,6-Dichloro-1,2,3,4-tetrahydro-2-naphthalenone; 5,6-Dichloro-α-tetralone; 5,6-Dichloro-2-oxo-1,2,3,4-tetrahydronaphthalene; 5,6-Dichloro-3,4-dihydronaphthalen-2-one; 2-Tetralone, 5,6-dichloro-1,2,3,4-tetrahydro-; 57915-88-5
EINECS	Contact for details

Quality Control

Every batch of our 5,6-Dichloro-3,4-Dihydronaphthalen-2(1H)-One is manufactured under strict quality management systems. We provide comprehensive analytical data to ensure identity, purity, and consistency meet the exacting requirements of process chemistry and scale-up. A detailed Certificate of Analysis (COA) with specifications for assay and impurity profiles is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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