Description

1-Hexyne, 5,5-Dimethyl- (9Ci) is a specialized terminal alkyne building block characterized by its unique branched structure. This compound matters as a versatile intermediate for synthesizing complex molecules, particularly in pharmaceutical and advanced material research, where its sterically hindered alkyne group enables selective coupling reactions. It is needed by R&D chemists and process development scientists in the fine chemical, agrochemical, and material science industries for creating novel compounds and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its reactivity to create complex bioactive molecules.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers and advanced materials with tailored properties.
• Organic Synthesis: A valuable building block for Sonogashira, Click Chemistry (CuAAC), and other metal-catalyzed cross-coupling reactions.
• Ligand & Catalyst Development: Employed in the preparation of novel ligands and organometallic catalysts for asymmetric synthesis.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific aroma chemicals with unique structural motifs.

Basic Information

Product Name	1-Hexyne, 5,5-Dimethyl- (9Ci)
CAS No.	108490-21-7
Molecular Formula	C8H14
Molecular Weight	110.20 g/mol
Synonyms	5,5-Dimethyl-1-hexyne; 5,5-Dimethylhex-1-yne; 1-Hexyne, 5,5-dimethyl-; tert-Butylacetylene; (3,3-Dimethylbutyl)acetylene; 3,3-Dimethyl-1-butyne; 3,3-Dimethylbut-1-yne
EINECS	Contact for details

Quality Control

Our 1-Hexyne, 5,5-Dimethyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, keep the container tightly sealed when not in use. Recommended storage temperature is 2-8°C to maximize stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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