Description

trans-4,4-Dimethyl-2-Pentene is a high-purity, highly volatile branched alkene with the CAS number 690-08-4. This compound serves as a valuable intermediate and specialty reagent in advanced organic synthesis and materials science research. It is particularly sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for its specific structural features that enable the construction of complex molecules.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules requiring specific alkene functionality.
• Agrochemical Synthesis: Acts as a key building block in the production of advanced crop protection agents and herbicides.
• Specialty Polymer Research: Employed as a co-monomer or modifier in the development of novel polymers with tailored properties.
• Organic Synthesis Reagent: Utilized in various name reactions, including metathesis, hydroformylation, and other catalytic transformations.
• Fragrance & Flavor Chemistry: Serves as a precursor for the synthesis of specific aroma chemicals and flavor compounds.
• Material Science: Investigated for use in surface modification and the creation of functionalized materials.

Basic Information

Product Name	trans-4,4-Dimethyl-2-Pentene
CAS No.	690-08-4
Molecular Formula	C7H14
Molecular Weight	98.19 g/mol
Synonyms	(E)-4,4-Dimethyl-2-pentene; 4,4-Dimethyl-trans-2-pentene; 2-Pentene, 4,4-dimethyl-, (E)-; 2-Pentene, 4,4-dimethyl-, trans-; NSC 74127; (E)-4,4-Dimethylpent-2-ene; trans-4,4-Dimethylpent-2-ene
EINECS	211-706-1

Quality Control

Our trans-4,4-Dimethyl-2-Pentene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC analysis, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0% (Area %)
Isomeric Purity (trans-)	≥ 95.0%
Water Content (KF)	≤ 0.1%

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