Comprehensive Guide to 24Pentanedione with CAS No 25085023 Properties and Applications

Understanding CAS No 25085-02-3: A Deep Dive into 2,4-Pentanedione

CAS No 25085-02-3 refers to 2,4-Pentanedione, also commonly known as acetylacetone. This versatile organic compound finds widespread application across diverse industries, from pharmaceuticals and materials science to analytical chemistry and flavor/fragrance production. Understanding its properties, applications, and handling procedures is crucial for professionals utilizing this chemical. Fizachem is a reliable supplier of high-quality 2,4-Pentanedione, catering to various research and industrial needs. We are committed to providing detailed information and support to ensure the safe and effective use of this important chemical.

Chemical and Physical Properties of 2,4-Pentanedione (CAS No 25085-02-3)

2,4-Pentanedione is a colorless liquid with a characteristic camphor-like odor. Its key properties include a molecular formula of C5H8O2, a molecular weight of 100.12 g/mol, and a boiling point of 139-140°C. Notably, it exhibits keto-enol tautomerism, meaning it exists as an equilibrium mixture of keto and enol forms. This unique characteristic contributes to its reactivity and diverse applications. The density is approximately 0.975 g/cm³ at 20°C. It’s miscible with most organic solvents but has limited solubility in water. Care should be taken to handle this chemical in a well-ventilated area due to its flammability.

Applications of 2,4-Pentanedione Across Industries

The versatility of 2,4-Pentanedione stems from its ability to act as a ligand in coordination chemistry, forming stable complexes with various metal ions. This makes it vital in applications like metal extraction, catalysis, and the production of metal acetylacetonates used as precursors in materials science. In the pharmaceutical industry, it serves as an intermediate in the synthesis of various drugs. Furthermore, it’s utilized as a flavoring agent and in the synthesis of fragrances. Its analytical applications include gas chromatography and spectrophotometry. Fizachem provides 2,4-Pentanedione suitable for all these demanding applications.

2,4-Pentanedione in Coordination Chemistry: A Detailed Look

The ability of 2,4-Pentanedione to form chelate complexes with metal ions is a cornerstone of its use in coordination chemistry. These complexes exhibit unique properties, making them useful in various applications. The formation constant (Kf) is a crucial parameter characterizing the stability of these complexes, and varies significantly depending on the metal ion involved. These complexes find application in catalysis (e.g., Ziegler-Natta polymerization), material science (e.g., chemical vapor deposition), and analytical chemistry (e.g., spectrophotometric determination of metal ions).

Comparing 2,4-Pentanedione to Similar Diketones

While several diketones exist, 2,4-Pentanedione holds a unique position due to its readily available enol form and its reactivity. Compared to other diketones like 2,3-Butanedione or 3,5-Pentanedione, it often demonstrates superior stability and reactivity in complex formation. Below is a comparison table showcasing key differences:

Safety Considerations and Handling of CAS No 25085-02-3

While 2,4-Pentanedione is a valuable chemical, it's crucial to handle it with appropriate safety precautions. It is flammable and can cause irritation to the skin, eyes, and respiratory system. Always wear appropriate personal protective equipment (PPE), including gloves, safety glasses, and a lab coat. Work in a well-ventilated area or use a fume hood. Avoid contact with strong oxidizing agents. Refer to the Safety Data Sheet (SDS) available from Fizachem for comprehensive safety information.

Product Specifications from Fizachem

Fizachem is committed to providing high-purity 2,4-Pentanedione meeting stringent quality standards. Here's a summary of our product specifications:

Frequently Asked Questions (FAQs)

What are the primary hazards associated with 2,4-Pentanedione?

2,4-Pentanedione is a flammable liquid and vapor. It can cause skin and eye irritation, and inhalation of vapors may cause respiratory irritation. Prolonged or repeated exposure may lead to dermatitis. It’s crucial to avoid contact with skin, eyes, and clothing, and to ensure adequate ventilation during handling. Always refer to the SDS for detailed hazard information and recommended safety measures. Proper PPE, including gloves and eye protection, is essential. Safe storage in a cool, dry, well-ventilated area away from ignition sources is also critical.

How should 2,4-Pentanedione be stored?

2,4-Pentanedione should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible materials such as strong oxidizing agents. Protect it from direct sunlight and heat sources. Keep the container away from ignition sources like sparks and open flames. Ensure the storage area is equipped with appropriate fire suppression equipment. Regularly inspect containers for leaks or damage.

What is the keto-enol tautomerism of 2,4-Pentanedione and why is it important?

Keto-enol tautomerism is a dynamic equilibrium between the keto and enol forms of a molecule. In 2,4-Pentanedione, this means that the molecule constantly shifts between a form with a carbonyl group (keto) and a form with a hydroxyl group attached to a carbon-carbon double bond (enol). The enol form is favored due to stabilization through intramolecular hydrogen bonding. This tautomerism significantly influences the chemical reactivity of 2,4-Pentanedione, enabling it to participate in various reactions as both a ketone and an alcohol.

Can Fizachem provide custom packaging for 2,4-Pentanedione?

Yes, Fizachem offers custom packaging options to meet specific customer requirements. We can accommodate various container sizes and materials to ensure safe and efficient delivery of 2,4-Pentanedione. Please contact our sales team to discuss your specific needs and receive a customized quote.