Description

4-Methyl-1-Undecene is a branched-chain terminal alkene of significant interest in organic synthesis and specialty chemical manufacturing. Its unique structure, featuring a reactive terminal double bond and a methyl branch, makes it a valuable intermediate for producing surfactants, lubricant additives, and fine chemicals. This compound is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and polymer industries for creating novel compounds with tailored properties.

Application

• Chemical Intermediate: Key building block for synthesizing specialty surfactants and detergents.
• Lubricant Additive Precursor: Used in the production of high-performance polyalphaolefin (PAO) base stocks and viscosity index improvers.
• Agrochemical Synthesis: Intermediate in the manufacture of certain pesticides and plant growth regulators.
• Pharmaceutical Research: Serves as a synthon in medicinal chemistry for drug discovery and development.
• Polymer Modification: Employed in copolymerization to introduce branching and modify physical properties of polymers.
• Fragrance & Flavor Chemistry: Potential intermediate for synthesizing specific musk or woody aroma chemicals.
• Organic Synthesis Reagent: Used in hydroformylation, metathesis, and other catalytic reactions to create longer-chain or functionalized molecules.

Basic Information

Product Name	4-Methyl-1-Undecene
CAS No.	74630-39-0
Molecular Formula	C₁₂H₂₄
Molecular Weight	168.32 g/mol
Synonyms	1-Undecene, 4-methyl-; 4-Methylundec-1-ene; 4-Methyl-1-undecene; 4-Methylundecylene; Undecene, 4-methyl-; 4-Methyl-1-hendecene (archaic); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 4-Methyl-1-Undecene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure high purity and consistent performance as a chemical intermediate. We provide traceable Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality system is designed to support cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated place, away from heat, sparks, and open flames. Recommended storage temperature is 2-8°C to minimize volatility and oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.75 - 0.78
Refractive Index (20°C)	1.425 - 1.430

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