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Product Line: Cosmetic Chemicals

2,3-Butanedione

CAS 431-03-8

Molecular structure of 2,3-Butanedione

CAS · 431-03-8

01

Product Overview

2,3-Butanedione is a high-purity essences-and-fragrances supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Yellow to yellow-green liquid
Purity 98% min
Flavor Strong buttery aroma in very dilute solution
Relative Density (25/25℃) 0.978-0.988
Refractive Index (20℃) 1.392-1.398
Solubility Soluble in water, ethanol, ether
03

Applications

2,3-Butanedione, also known as diacetyl, is a versatile organic compound primarily used in the food and flavoring industry. It imparts a characteristic buttery aroma and flavor, making it widely used in baked goods, dairy products, snacks, and beverages. Additionally, it serves as a precursor in the synthesis of heterocyclic compounds, pharmaceuticals, and agrochemicals. In research and industrial chemistry, 2,3-butanedione is applied in Maillard reaction studies, aroma development, and as a building block for fine chemicals and specialty materials.

04

Benefits

The benefits of 2,3-butanedione include its strong and distinctive buttery flavor, high volatility, and solubility in various food matrices, which allow effective flavor enhancement. Its reactivity enables it to participate in condensation, cyclization, and other synthetic transformations for creating bioactive molecules and aroma compounds. In food applications, it contributes to sensory quality and consumer appeal. Its utility as a chemical intermediate also facilitates efficient synthesis of heterocycles and derivatives in pharmaceutical and materials research.

05

Conclusion

2,3-Butanedione is a valuable compound with broad applications in flavoring, food science, and chemical synthesis. Its buttery aroma, chemical versatility, and reactivity make it indispensable for enhancing taste, developing aroma profiles, and synthesizing fine chemicals. By supporting both sensory applications and industrial synthesis, 2,3-butanedione continues to be a key compound in multiple sectors.

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