Description

7-Methylheptadecane is a branched-chain alkane hydrocarbon with the CAS number 20959-33-5. This high-purity specialty alkane serves as a critical intermediate and reference standard in advanced chemical synthesis and analytical research. It is essential for industries and laboratories requiring precise, well-defined hydrocarbon structures for product development and quality control.

Application

• Chemical Intermediate: Used in the synthesis of complex organic molecules, surfactants, and lubricant additives.
• Analytical Reference Standard: Serves as a critical calibration standard in gas chromatography (GC) and mass spectrometry (MS) for hydrocarbon analysis.
• Research & Development: Employed in academic and industrial R&D for studying hydrocarbon properties, reaction mechanisms, and material science.
• Specialty Fluids & Lubricants: Acts as a base or additive component in the formulation of high-performance synthetic lubricants and functional fluids.
• Polymer Science: Utilized as a comonomer or modifier in the production of specialized polyolefins and other polymeric materials.
• Flavor & Fragrance Industry: May be used as a precursor or building block in the synthesis of specific aroma chemicals.

Basic Information

Product Name	7-Methylheptadecane
CAS No.	20959-33-5
Molecular Formula	C₁₈H₃₈
Molecular Weight	254.49 g/mol
Synonyms	7-Methyl-heptadecane; Heptadecane, 7-methyl-; Isooctadecane; 7-Methyl n-heptadecane; NSC 74112
EINECS	Contact for details

Quality Control

Our 7-Methylheptadecane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	~0.78 g/mL
Refractive Index (n20/D)	~1.43

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