Description

5-Methyl-1-Hexyne is a branched terminal alkyne with the CAS registry number 2203-80-7. This compound serves as a valuable specialty chemical building block in advanced organic synthesis, prized for its reactive triple bond and specific hydrocarbon structure. It is primarily utilized by pharmaceutical intermediates manufacturers and fine chemical research laboratories for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Fine Chemical Synthesis: Used in research and development for creating specialty chemicals, ligands, and advanced materials.
• Agrochemical Research: Employed as a building block in the development of novel crop protection agents and herbicides.
• Polymer & Material Science: Acts as a monomer or modifier in the production of specialized polymers and advanced materials.
• Organic Synthesis Reagent: Utilized in various name reactions, including Sonogashira coupling, to introduce alkyne functionalities.
• Fragrance & Flavor Chemistry: Serves as a precursor in the synthesis of specific aroma compounds and flavor ingredients.

Basic Information

Product Name	5-Methyl-1-Hexyne
CAS No.	2203-80-7
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	5-Methylhex-1-yne; 1-Hexyne, 5-methyl-; 5-Methyl-1-hexyne; 5-Methylhex-1-yne; 2203-80-7; 5-Methylhex-1-ine; 5-Methylhex-1-yne (5-Methyl-1-hexyne)
EINECS	218-623-1

Quality Control

Our 5-Methyl-1-Hexyne is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports cGMP requirements for pharmaceutical intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.715 - 0.725 g/mL
Refractive Index (n20D)	1.408 - 1.412

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