Description

Benzene, 1,3-Dichloro-5-Ethynyl- is a specialized halogenated aromatic building block featuring both chloro and ethynyl functional groups, enabling precise molecular construction. This compound is valued for its role as a key intermediate in advanced organic synthesis, particularly in the development of complex pharmaceutical agents and functional materials. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical synthon in the synthesis of active pharmaceutical ingredients (APIs), especially those with complex aromatic or heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides, leveraging its reactive sites for structural diversification.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the development of advanced polymers, resins, and specialty coatings with tailored properties.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Organic Electronic Materials: Investigated as a building block for π-conjugated systems used in organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Research & Development: A versatile reagent for academic and industrial research exploring new synthetic methodologies and reaction pathways.

Basic Information

Product Name	Benzene, 1,3-Dichloro-5-Ethynyl-
CAS No.	99254-90-7
Molecular Formula	C8H4Cl2
Molecular Weight	171.02 g/mol
Synonyms	1,3-Dichloro-5-ethynylbenzene; 5-Ethynyl-1,3-dichlorobenzene; 3,5-Dichlorophenylacetylene; 1-Ethynyl-3,5-dichlorobenzene; (3,5-Dichlorophenyl)ethyne
EINECS	Contact for details

Quality Control

Our Benzene, 1,3-Dichloro-5-Ethynyl- is manufactured under strict quality management protocols. Each 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 every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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