Description

3-Heptyn-2-One is a versatile alkyne ketone building block with the CAS number 26059-43-8, prized for its reactive triple bond and carbonyl functionality. This compound is essential for advanced organic synthesis, enabling the construction of complex molecular architectures. It is a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: A fundamental reagent for constructing complex organic molecules via reactions like Sonogashira coupling, nucleophilic addition, and cyclization.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and other functional organic materials.
• Flavor & Fragrance Industry: Acts as a precursor for synthesizing specific aroma compounds and odorants.
• Academic & R&D Laboratories: A valuable tool for methodological development and exploratory chemistry in university and corporate research settings.

Basic Information

Product Name	3-Heptyn-2-One
CAS No.	26059-43-8
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	3-Heptyn-2-one; 2-Heptyn-4-one; Hept-3-yn-2-one; 1-Ethyl-2-propynyl ketone; 3-Heptyn-2-on; 3-Heptyn-2-One (26059-43-8); 1-Ethyl-1-propynyl ketone
EINECS	Contact for details

Quality Control

Our 3-Heptyn-2-One is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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