Description

Benzene, 1,3-Bis(Phenylethynyl)- is a high-purity organic compound, specifically a diarylacetylene derivative, identified by CAS NO 13141-36-1. This compound serves as a critical advanced intermediate and building block in the synthesis of complex organic materials and specialty chemicals. It is essential for research and development laboratories, as well as industrial manufacturers, operating in the fields of pharmaceuticals, agrochemicals, and material science.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Used in the development of organic semiconductors, liquid crystals, and advanced polymers.
• Organic Light-Emitting Diodes (OLEDs): Acts as a core component or intermediate in the production of electroluminescent materials.
• Cross-Coupling Reactions: Valuable substrate in Sonogashira, Heck, and other palladium-catalyzed coupling reactions for C-C bond formation.
• Ligand and Catalyst Development: Serves as a backbone for synthesizing specialized ligands used in homogeneous catalysis.
• Academic & Industrial R&D: Essential reagent for exploratory chemistry and process development in fine chemical synthesis.

Basic Information

Item	Detail
Product Name	Benzene, 1,3-Bis(Phenylethynyl)-
CAS No.	13141-36-1
Molecular Formula	C22H14
Molecular Weight	278.35 g/mol
Synonyms	1,3-Bis(phenylethynyl)benzene; m-Bis(phenylethynyl)benzene; 1,3-Diphenylethynylbenzene; m-Diphenylethynylbenzene; Diethynylbenzene derivative; BPEB; 1,3-Bis(phenylethinyl)benzene
EINECS	Contact for details

Quality Control

Our Benzene, 1,3-Bis(Phenylethynyl)- is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 strong oxidizing agents and incompatible materials.

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%

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