Description

5-Methyl-5-Undecene is a branched-chain terminal alkene of significant industrial interest. This high-purity olefin serves as a versatile intermediate in organic synthesis and specialty chemical manufacturing. It is particularly valuable for the production of fine chemicals, flavor and fragrance compounds, and advanced polymer materials, meeting the needs of R&D laboratories and large-scale industrial producers.

Application

• Flavor and Fragrance Intermediate: Used in the synthesis of musk-like odorants and complex aroma chemicals.
• Organic Synthesis Building Block: Acts as a key starting material for Grignard reactions, hydroformylation, and other catalytic transformations to create specialty molecules.
• Polymer Chemistry: Employed as a co-monomer or chain transfer agent in the production of modified polyolefins with specific branching and properties.
• Lubricant and Fuel Additive Synthesis: Serves as a precursor for manufacturing performance-enhancing additives.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new catalytic processes and material science.
• Surfactant and Detergent Industry: Used in the synthesis of branched alkylbenzenes and other surfactant raw materials.

Basic Information

Product Name	5-Methyl-5-Undecene
CAS No.	31613-73-7
Molecular Formula	C₁₂H₂₄
Molecular Weight	168.32 g/mol
Synonyms	5-Methylundec-5-ene; 5-Methyl-5-undecene; Undecene, 5-methyl-; 1-Pentene, 2-butyl-2-ethyl-; 2-Ethyl-2-butyl-1-pentene
EINECS	Contact for details

Quality Control

Our 5-Methyl-5-Undecene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature: 2-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Density (20°C)	~0.76 g/mL
Refractive Index (20°C)	~1.425

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