Description

1,1-Diethoxyundec-2-Yne is a specialized acetylenic acetal building block with the CAS registry number 84681-84-5. This compound is valued for its unique reactivity, serving as a versatile intermediate in the synthesis of complex organic molecules. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing specific aroma chemicals and flavor compounds.
• Material Science Research: Employed in the development of polymers, liquid crystals, and other functional materials.
• Organic Synthesis: A versatile reagent for carbon-carbon bond formation and the introduction of acetylenic functionalities into target molecules.
• Chemical Research & Development: Used in academic and industrial R&D for exploring new synthetic methodologies and reaction pathways.

Basic Information

Product Name	1,1-Diethoxyundec-2-Yne
CAS No.	84681-84-5
Molecular Formula	C₁₅H₂₈O₂
Molecular Weight	240.38 g/mol
Synonyms	Undec-2-ynal Diethyl Acetal; 2-Undecynal Diethyl Acetal; Diethyl (2-Undecyn-1-ylidene) Bis(oxy); 1,1-Bis(ethyloxy)undec-2-yne; 2-Undecyn-1-al Diethyl Acetal; Acetaldehyde, (1-undecyn-1-yl)-, diethyl acetal; (Undec-2-ynylidene)diethoxyethane
EINECS	Contact for details

Quality Control

Our 1,1-Diethoxyundec-2-Yne is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended long-term storage at 2-8°C. Allow the container to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
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.