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Diacetyl-2

Updated: 2026-07-22

Overview

Diacetylethylene-2, also known as 2,5-Hexanedione, is an organic compound with the molecular formula C6H10O2. It is a colorless to pale yellow liquid with a characteristic ketone odor. This compound is widely used as an intermediate in chemical synthesis, particularly in the production of pharmaceuticals, agrochemicals, and dyes. Its high reactivity and versatility make it a valuable component in various industrial applications. The compound is synthesized through the dimerization of acetylacetone, resulting in a diketone structure. Its chemical properties, including solubility in water and organic solvents, make it suitable for a range of reactions. Diacetylethylene-2 is handled with care due to its flammability and potential health hazards, requiring strict safety protocols during storage and usage.

Physical and Chemical Properties

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Diacetylethylene-2 exhibits several notable physical and chemical properties. It has a density of 0.97 g/cm³ and a boiling point of 191°C, making it a relatively volatile liquid. The compound is soluble in water, ethanol, and ether, which enhances its utility in various chemical processes. Its melting point is -9°C, indicating it remains liquid at room temperature under normal conditions. Chemically, Diacetylethylene-2 is reactive due to its diketone functionality. It participates in condensation reactions, forming heterocyclic compounds, and serves as a precursor in the synthesis of complex molecules. The compound’s stability under controlled conditions allows for its use in high-precision chemical manufacturing, though it must be protected from excessive heat and oxidizing agents to prevent decomposition.

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Main Applications

Diacetylethylene-2 is predominantly used as an intermediate in the chemical industry. In pharmaceuticals, it is employed in the synthesis of active pharmaceutical ingredients (APIs) and other therapeutic compounds. Its role in agrochemical production includes the formulation of pesticides and herbicides, where its reactivity aids in creating effective crop protection agents. The compound is also utilized in the dye industry, contributing to the production of vibrant and stable colorants. Additionally, Diacetylethylene-2 finds applications in organic synthesis, where it acts as a building block for more complex molecules. Its versatility and efficiency in these processes underscore its importance in industrial chemistry, making it a sought-after chemical for specialized manufacturing needs.

Safety and Storage

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Safety is a critical consideration when handling Diacetylethylene-2. The compound is flammable and poses risks of skin and eye irritation. Proper personal protective equipment (PPE), including gloves, goggles, and lab coats, is essential during its use. Adequate ventilation is necessary to prevent the accumulation of vapors, which could lead to respiratory issues or fire hazards. Storage conditions for Diacetylethylene-2 require a cool, dry, and well-ventilated area, away from heat sources and open flames. Containers should be tightly sealed to prevent leakage and contamination. In case of spills, immediate cleanup with appropriate absorbent materials is advised. Safety data sheets (SDS) should always be consulted for detailed handling and emergency response procedures to ensure compliance with regulatory standards.

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B2B Procurement Guide

Procuring Diacetylethylene-2 for B2B purposes involves several key considerations. Buyers should verify supplier certifications to ensure the chemical meets industry standards for purity and quality. Requesting material safety data sheets (MSDS) is essential for understanding handling, storage, and disposal requirements. Packaging should be robust and leak-proof, with clear labeling for safe transport. Buyers are advised to compare prices from multiple suppliers, as costs can vary based on purity levels and order quantities. Establishing long-term contracts with reliable suppliers can secure consistent supply and favorable pricing. Additionally, buyers should assess the supplier’s logistical capabilities to ensure timely delivery and minimize risks associated with transportation delays or mishandling.

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