Description

4-Octyne is a straight-chain alkyne with the molecular formula C8H14, serving as a valuable intermediate in organic synthesis and materials science. Its terminal alkyne functionality makes it a versatile building block for constructing more complex molecules through coupling and cycloaddition reactions. This compound is particularly relevant for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require high-purity, reactive intermediates for their development and production processes.

Application

• Organic Synthesis Intermediate: A key building block for creating complex molecules via Sonogashira, Glaser, and other metal-catalyzed cross-coupling reactions.
• Pharmaceutical Research: Used in the synthesis of potential drug candidates and bioactive molecules that incorporate alkyne groups for further functionalization or as pharmacophores.
• Agrochemical Development: Employed in the research and synthesis of novel pesticides and herbicides where the alkyne moiety is integral to the compound's activity.
• Material Science & Polymer Chemistry: Acts as a monomer or co-monomer in the development of specialty polymers, including conductive polymers and materials with unique optical properties.
• Chemical Research & Development: Serves as a standard or reagent in academic and industrial R&D labs for studying alkyne chemistry and developing new synthetic methodologies.
• Liquid Crystal & OLED Precursor: Can be utilized in the synthesis of organic compounds for electronic applications, such as liquid crystals and organic light-emitting diodes (OLEDs).

Basic Information

Item	Details
Product Name	4-Octyne
CAS No.	1942-45-6
Molecular Formula	C8H14
Molecular Weight	110.20 g/mol
Synonyms	Oct-4-yne; Butylacetylene; 1-Butyl-1-butyne; 4-Octyne (stabilized); 4-Octyne, 98+%; 1-Butyl-1-butyne; 4-Octyne, stabilized
EINECS	217-741-3

Quality Control

Our 4-Octyne is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, water content, and specific impurities. We are committed to meeting the stringent requirements of research and industrial applications.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	0.745 - 0.755 g/mL
Refractive Index (n20/D)	1.415 - 1.425

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