Description

10-Undecynoic Acid is a versatile terminal alkyne fatty acid, a valuable building block in organic synthesis and specialty chemical manufacturing. Its unique structure, featuring a carboxylic acid group and a terminal alkyne, makes it a critical intermediate for click chemistry, polymer modification, and the synthesis of bioactive molecules. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable, high-quality intermediates for their development pipelines.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly through Huisgen cycloaddition (click chemistry) to create 1,2,3-triazoles.
• Agrochemical Synthesis: Used in the production of specialized fungicides, herbicides, and plant growth regulators that require alkyne functionality.
• Polymer Science: Serves as a monomer or modifier for creating functional polymers with tailored properties via alkyne-azide or alkyne-thiol reactions.
• Surface Modification & Coatings: Enables the covalent attachment of molecules to surfaces (e.g., metals, polymers, nanoparticles) for creating functionalized materials.
• Bioconjugation & Probe Development: Facilitates the labeling of biomolecules (proteins, peptides, nucleic acids) for diagnostic and research applications.
• Lubricant & Fuel Additive Precursor: Acts as a starting material for synthesizing specialized esters and derivatives used in high-performance lubricants.
• Fragrance & Flavor Chemistry: Intermediate for the synthesis of specific musk-like or fatty aroma chemicals.
• Academic & Industrial R&D: A fundamental reagent for exploring new synthetic methodologies and material properties in research laboratories.

Basic Information

Item	Detail
Product Name	10-Undecynoic Acid
CAS No.	2777-65-3
Molecular Formula	C₁₁H₁₈O₂
Molecular Weight	182.26 g/mol
Synonyms	10-Undecynoic acid; Undec-10-ynoic acid; 10-Hendecynoic acid; Terminal alkyne C11 acid; 10-Undecynoic acid; 2777-65-3; Hendec-10-ynoic acid; 10-Undecynic acid
EINECS	220-491-7

Quality Control

Our 10-Undecynoic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and tests for residual solvents and moisture to ensure it meets stringent specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	40 - 44 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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