Description

Pentadiene CAS NO 26856-36-0 is a highly reactive, conjugated diene hydrocarbon, a key building block in organic synthesis and polymer chemistry. Its primary value lies in its role as a versatile monomer and chemical intermediate, enabling the production of specialized polymers and fine chemicals. This product is essential for industries such as specialty polymer manufacturing, agrochemical synthesis, and pharmaceutical research where precise molecular structures are required.

Application

• Polymer & Resin Manufacturing: Serves as a critical monomer for the production of specialty synthetic rubbers, elastomers, and hydrocarbon resins.
• Fine Chemical Synthesis: Acts as a key diene component in Diels-Alder reactions for synthesizing complex cyclic compounds used in pharmaceuticals and agrochemicals.
• Adhesive & Sealant Formulation: Used in the formulation of high-performance pressure-sensitive adhesives and sealants requiring specific tack and flexibility properties.
• Chemical Intermediate: Employed in the synthesis of various derivatives, including alcohols, epoxides, and halogenated compounds for further industrial applications.
• Research & Development: Utilized in academic and industrial R&D labs for studying reaction mechanisms and developing new catalytic processes.
• Fuel & Lubricant Additives: Can be a precursor in the manufacture of components for high-performance fuel and lubricant additive packages.

Basic Information

Product Name	Pentadiene
CAS No.	26856-36-0
Molecular Formula	C5H8
Molecular Weight	68.12 g/mol
Synonyms	1,3-Pentadiene; Piperylene; cis,trans-Piperylene; 1-Methylbutadiene; 1,3-Pentadiene, mixed isomers; NSC 74121; trans-1,3-Pentadiene; cis-1,3-Pentadiene
EINECS	248-051-5

Quality Control

Our Pentadiene is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) for each shipment, detailing key parameters such as isomer purity, assay, and impurity profiles. Our quality systems are designed to meet the stringent requirements of industrial and research customers, ensuring the material's suitability for sensitive chemical synthesis and polymerization processes.

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 (35-46°F) under an inert atmosphere (e.g., nitrogen) to minimize polymerization and oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0% (Total Pentadiene Isomers)
Purity (1,3-Pentadiene)	≥ 90.0%
Water Content (KF)	≤ 0.1%
Inhibitor Content (MEHQ)	50-150 ppm
Non-volatile Residue	≤ 0.01%

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