Description

trans-1,3-Pentadiene is a highly volatile, conjugated diene hydrocarbon with the CAS number 2004-70-8. This compound serves as a versatile and reactive building block in organic synthesis, valued for its role in Diels-Alder reactions and polymer chemistry. It is primarily utilized by research institutions and industrial manufacturers in the production of specialty chemicals, fragrances, and advanced polymer materials.

Application

• Chemical Synthesis Intermediate: A key diene component in Diels-Alder cycloaddition reactions for synthesizing complex cyclic compounds.
• Polymer & Resin Production: Used as a co-monomer or modifier in the manufacture of specialty polymers and synthetic rubbers.
• Fragrance & Flavor Industry: Serves as a precursor for synthesizing specific aroma chemicals and terpenes.
• Organic Research & Development: Employed in academic and industrial R&D labs for studying reaction mechanisms and developing new synthetic methodologies.
• Agrochemical Synthesis: Acts as an intermediate in the production of certain active ingredients and formulation additives.
• Material Science: Investigated for use in creating novel organic electronic materials and coatings.

Basic Information

Product Name	trans-1,3-Pentadiene
CAS No.	2004-70-8
Molecular Formula	C5H8
Molecular Weight	68.12 g/mol
Synonyms	(E)-1,3-Pentadiene; (E)-Piperylene; trans-Piperylene; trans-1-Methyl-1,3-butadiene; 1,3-Pentadiene, (E)-; (E)-CH3CH=CHCH=CH2; 1-trans-3-Pentadiene; trans-Pentadiene-1,3
EINECS	217-903-0

Quality Control

Our trans-1,3-Pentadiene is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling by GC and GC-MS, to ensure it meets the high standards required for research and industrial applications. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

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. Keep under an inert atmosphere (e.g., nitrogen) to minimize oxidation and polymerization. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0% (trans-isomer)
Purity (GC Area %)	≥ 98.0%
cis-1,3-Pentadiene	≤ 2.0%
Other Volatiles	≤ 1.0%
Water (Karl Fischer)	≤ 0.1%

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