Description

1,3-Pentadiyne is a highly reactive, linear conjugated diyne with the CAS registry number 4911-55-1. This compound serves as a valuable and versatile building block in advanced organic synthesis, particularly for constructing complex molecular architectures. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require high-purity intermediates for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex bioactive molecules, potential drug candidates, and heterocyclic compounds.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and plant growth regulators requiring specific alkyne functionalities.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of conductive polymers, advanced resins, and carbon-rich nanomaterials.
• Organic Synthesis Building Block: Employed in cycloaddition reactions (e.g., Diels-Alder), metal-catalyzed coupling reactions, and polymerization processes.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for exploring new synthetic methodologies and creating novel chemical entities.
• Specialty Chemical Production: Acts as an intermediate for manufacturing dyes, pigments, and other performance chemicals where the diyne structure imparts specific properties.

Basic Information

Product Name	1,3-Pentadiyne
CAS No.	4911-55-1
Molecular Formula	C5H4
Molecular Weight	64.09 g/mol
Synonyms	Pentadiyne; 1,3-Pentadiyne; Penta-1,3-diyne; 1,3-Diethylnylpropane; 1,3-Diethynylpropane; Propane, 1,3-diethynyl-; HC≡C-CH2-C≡CH
EINECS	225-522-7

Quality Control

Our 1,3-Pentadiyne is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, keep the container tightly sealed when not in use. Store separately from strong acids, oxidizers, and other incompatible materials. Recommended storage temperature is 2-8°C (refrigerated) for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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