Description

trans-2-Pentene CAS NO 646-04-8 is a high-purity, linear α-olefin characterized by its specific geometric isomerism and high volatility. This compound serves as a versatile and reactive intermediate in organic synthesis and industrial chemical manufacturing. It is essential for researchers and manufacturers in the petrochemical, polymer, and fine chemical sectors who require a reliable source of a specific C5 alkene building block.

Application

• Chemical Synthesis Intermediate: A key building block for producing flavors, fragrances, pharmaceuticals, and other specialty chemicals.
• Polymer & Copolymer Production: Used as a comonomer in the synthesis of linear low-density polyethylene (LLDPE) and other polyolefins to modify properties.
• Organic Reaction Research: Employed in laboratories for studying hydroformylation, metathesis, hydrogenation, and other catalytic reactions.
• Petrochemical Additive: Acts as an octane enhancer and a component in high-performance fuel blends and gasoline.
• Cross-Coupling Reactions: Serves as a substrate in Heck, Suzuki, and other palladium-catalyzed cross-coupling reactions.
• Standard & Calibration: Used as a reference standard in gas chromatography (GC) for analytical method development and quality control.

Basic Information

Product Name	trans-2-Pentene
CAS No.	646-04-8
Molecular Formula	C5H10
Molecular Weight	70.13 g/mol
Synonyms	(E)-2-Pentene; trans-Pent-2-ene; 2-trans-Pentene; β-n-Amylene; 2-Pentene, (E)-; 2-Pentene, trans-; trans-2-Amylene; (E)-Pent-2-ene
EINECS	211-463-5

Quality Control

Our trans-2-Pentene is manufactured under stringent quality management systems. Every batch undergoes comprehensive analysis using GC, GC-MS, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request to support your quality assurance protocols.

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 container tightly sealed when not in use to prevent evaporation and contamination.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
cis-2-Pentene (GC)	≤ 1.0%
1-Pentene (GC)	≤ 0.5%
Water (KF)	≤ 0.1%

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