Description

5-Decyne-4,7-Diol is a high-purity, linear aliphatic diol containing a strategically positioned internal alkyne group. This unique bifunctional structure makes it a valuable chemical intermediate and building block for advanced synthesis. It is primarily utilized in the production of specialty polymers, surfactants, and pharmaceutical intermediates. Industries such as specialty chemicals, polymer research, and life sciences rely on its consistent quality for developing innovative materials and compounds.

Application

• Polymer Chemistry: Serves as a monomer or chain extender for synthesizing novel polyurethanes, polyesters, and other specialty polymers with tailored properties.
• Surfactant & Detergent Industry: Used as a key intermediate in the production of non-ionic surfactants and emulsifiers, leveraging its dual hydroxyl functionality.
• Pharmaceutical Intermediates: Acts as a versatile building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Crosslinking Agent: The alkyne group enables its use in click chemistry applications, such as Huisgen cycloaddition, for creating crosslinked networks in coatings and adhesives.
• Corrosion Inhibitor Formulation: Incorporated into formulations designed to protect metal surfaces in industrial processes.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic reactions and material science applications.

Basic Information

Item	Details
Product Name	5-Decyne-4,7-Diol
CAS No.	1070-40-2
Molecular Formula	C₁₀H₁₈O₂
Molecular Weight	170.25 g/mol
Synonyms	5-Decyne-4,7-diol; 4,7-Decynediol; 4,7-Dihydroxy-5-decyne; 5-Decyne-4,7-diol, mixture of isomers; 2,5-Dimethyl-3-octyne-2,5-diol (common name for mixture); Surfynol 82 (trade name); Acetylenic diol; Internal alkyne diol
EINECS	213-982-6

Quality Control

Our 5-Decyne-4,7-Diol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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 strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	55 - 65 °C
Water Content (KF)	≤ 0.5%

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