Description

1,2-Pentadiene is a highly reactive, low molecular weight hydrocarbon belonging to the class of allenes, characterized by two cumulative double bonds. This unique structure makes it a valuable and versatile chemical intermediate for synthesizing more complex organic compounds. It is primarily sought after by research institutions and industrial manufacturers in the chemical and pharmaceutical sectors for applications in fine chemical synthesis and polymer research.

Application

• Chemical Intermediate: Serves as a key building block in organic synthesis, particularly for the preparation of specialized fine chemicals and active pharmaceutical ingredients (APIs).
• Polymer & Material Science: Used in research and development of novel polymers and co-polymers, where its allene functionality can introduce unique properties.
• Ligand & Catalyst Synthesis: Employed in the preparation of complex ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.
• Cross-Coupling Reactions: Acts as a substrate in various metal-catalyzed cross-coupling reactions to construct carbon-carbon bonds.
• Flavor & Fragrance Industry: Potential use as a precursor in the synthesis of specific aroma compounds, subject to purity and regulatory compliance.
• Academic & Industrial R&D: A critical reagent for methodological development and exploration of new reaction pathways in synthetic organic chemistry.

Basic Information

Product Name	1,2-Pentadiene
CAS No.	591-95-7
Molecular Formula	C5H8
Molecular Weight	68.12 g/mol
Synonyms	1,2-Pentadiene; 1-Methyl-1,2-butadiene; 3-Methyl-1,2-butadiene; Propylideneallene; Allenylpropane; 1-Methylallene; NSC 74121; 1,2-Pentadiene, mixture of cis and trans
EINECS	209-732-3

Quality Control

Our 1,2-Pentadiene is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and impurity profiling by GC and GC-MS. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated area away from heat, sparks, and open flames. Recommended storage temperature is 2-8°C to minimize degradation and maintain stability. Keep container tightly sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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