Description

9-Decynoic Acid is a versatile terminal alkyne-functionalized fatty acid, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring a carboxylic acid group and a terminal alkyne, makes it an indispensable intermediate for constructing complex molecules via click chemistry and other coupling reactions. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key synthon for the development of new drug candidates, particularly in medicinal chemistry for creating targeted molecules.
• Click Chemistry Reagent: Used in copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions to create triazole linkages for bioconjugation and polymer functionalization.
• Agrochemical Synthesis: Building block for synthesizing novel herbicides, fungicides, and plant growth regulators with specific activity.
• Polymer & Material Science: Monomer or cross-linking agent for producing specialty polymers, coatings, and resins with tailored properties.
• Liquid Crystal & OLED Materials: Intermediate in the synthesis of advanced organic electronic materials and display components.
• Biochemical Probes: Used to create labeled fatty acid analogs for metabolic studies and biochemical research.
• Lubricant & Surfactant Additive: Serves as a precursor for synthesizing specialized additives that modify surface properties.

Basic Information

Product Name	9-Decynoic Acid
CAS No.	1642-49-5
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	Dec-9-ynoic acid; 10-Undecynoic acid (common misnomer); 9-Decynoic acid; 9-Decyn-1-oic acid; Terminal alkyne C10 acid; 9-Decynoic acid, 98+%; 1642-49-5; 9-Decynic acid
EINECS	216-710-3

Quality Control

Our 9-Decynoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with your specifications. We support cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	34 - 38 °C
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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