Description

3,7-Decadiyne is a high-purity, linear diacetylene compound with the CAS registry number 33840-20-9. This versatile alkyne building block is essential for advanced organic synthesis, enabling the construction of complex molecular architectures. It is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries seeking to develop novel compounds with specific electronic or structural properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: A critical precursor for synthesizing conjugated polymers, organic semiconductors, and carbon-rich materials.
• Cross-Coupling Reactions: Acts as a substrate in Sonogashira, Glaser, and other palladium-catalyzed coupling reactions to form extended carbon chains.
• Chemical Biology Probes: Utilized in click chemistry applications for bioconjugation and labeling due to its reactive alkyne groups.
• Academic & Industrial R&D: A fundamental reagent for exploratory chemistry and process development in fine chemical synthesis.

Basic Information

Product Name	3,7-Decadiyne
CAS No.	33840-20-9
Molecular Formula	C₁₀H₁₄
Molecular Weight	134.22 g/mol
Synonyms	Deca-3,7-diyne; 3,7-Decadiyne; 3,7-Dodecadiyne (common misnomer, verify structure); Linear C10 Diyne; 1,2-Diethynylbutane
EINECS	Contact for details

Quality Control

Our 3,7-Decadiyne is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment 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 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 or argon to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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