Description

2-Heptyne-4-One is a specialized alkyne ketone building block with the CAS registry number 71932-98-4. This compound is valued for its unique molecular structure, which makes it a versatile intermediate in advanced organic synthesis and fine chemical manufacturing. It is primarily sought after by research and development laboratories, pharmaceutical companies, and agrochemical producers for creating novel compounds and active ingredients.

Application

The unique acetylene and ketone functionalities of 2-Heptyne-4-One make it a valuable synthon in various high-value chemical sectors.

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Organic Synthesis & Research: Acts as a versatile precursor for creating complex organic molecules, heterocycles, and specialty chemicals in R&D settings.
• Flavor & Fragrance Industry: Employed in the synthesis of specific aroma chemicals and fragrance components.
• Material Science: Investigated as a monomer or cross-linking agent in the development of advanced polymeric materials.
• Chemical Reference Standard: Supplied as a high-purity analytical standard for quality control and research purposes.

Basic Information

Product Name	2-Heptyne-4-One
CAS No.	71932-98-4
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	Hept-2-yn-4-one; 4-Heptyn-2-one; 2-Heptyn-4-one; 1-Butyl-2-propynyl ketone; Butyl ethynyl ketone; 4-Heptyn-2-one; 2-Heptyn-4-one (primary IUPAC)
EINECS	Contact for details

Quality Control

Our 2-Heptyne-4-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We can support custom purity requirements for research and commercial-scale applications.

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 oxidizing agents, strong bases, and strong reducing agents. Recommended storage temperature is between 2°C and 8°C for long-term stability. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0% (Standard Grade)
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL, 20°C)	0.88 - 0.92

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