Description

Heptadecane, 3-Methylene- is a high-purity branched alkane derivative with the CAS registry number 128057-44-3. This specialized hydrocarbon is valued for its role as a critical intermediate and standard in advanced chemical synthesis and analytical applications. It is primarily sought by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and formulations.

Application

• Chemical Synthesis Intermediate: Serves as a key building block for synthesizing complex organic molecules, including surfactants, lubricant additives, and specialty polymers.
• Analytical Reference Standard: Used in gas chromatography (GC) and mass spectrometry (MS) for method development, calibration, and quality control in analytical laboratories.
• Pharmaceutical Research: Employed in the research and development of active pharmaceutical ingredients (APIs) and prodrugs due to its defined hydrocarbon structure.
• Agrochemical Formulation: Acts as an inert component or intermediate in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science: Investigated for use in the development of organic semiconductors, liquid crystals, and advanced coating materials.
• Flavor & Fragrance Industry: Utilized as a precursor or fixative in the synthesis of specific aroma chemicals and fragrance ingredients.

Basic Information

Product Name	Heptadecane, 3-Methylene-
CAS No.	128057-44-3
Molecular Formula	C₁₈H₃₈
Molecular Weight	254.50 g/mol
Synonyms	3-Methyleneheptadecane; 3-Methylideneheptadecane; Heptadecane, 3-methylidene-; 3-Methylen-heptadecan (German); 3-Méthylèneheptadécane (French); 3-メチレンヘプタデカン (Japanese); Isooctadecene (common name)
EINECS	Contact for details

Quality Control

Our Heptadecane, 3-Methylene- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider under an inert atmosphere such as nitrogen to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.05%

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