Description

Di-p-Tolylacetylene is a high-purity organic building block featuring two para-tolyl groups attached to an acetylene core. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in cross-coupling reactions and the construction of complex molecular architectures. It is essential for R&D and production in the pharmaceutical, agrochemical, and advanced materials sectors, where precise molecular control is critical.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a precursor for conjugated polymers, liquid crystals, and organic electronic materials.
• Catalyst & Ligand Development: Employed in the synthesis of specialized ligands for transition metal catalysis.
• Academic & Industrial R&D: A fundamental reagent for methodology development in organic chemistry and process chemistry.
• Fine Chemical Production: Utilized in the manufacture of dyes, pigments, and other specialty chemicals.

Basic Information

Product Name	Di-p-Tolylacetylene
CAS No.	2789-88-0
Molecular Formula	C₁₆H₁₄
Molecular Weight	206.28 g/mol
Synonyms	1,2-Bis(4-methylphenyl)ethyne; Bis(4-methylphenyl)acetylene; 4,4'-Dimethyltolane; p,p'-Dimethyltolane; Di(4-tolyl)acetylene; 1,1'-(1,2-Ethynediyl)bis[4-methylbenzene]; 4-Methylphenylacetylene, dimer
EINECS	220-517-9

Quality Control

Our Di-p-Tolylacetylene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee supply reliability and batch-to-batch consistency for your critical processes.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residue on Ignition	< 0.1%

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