Overview
Acetylpyrazine is an organic compound belonging to the pyrazine family, characterized by its distinctive nutty and popcorn-like aroma. It is commonly used as a flavoring agent in the food and fragrance industries. The compound is synthesized through the acetylation of pyrazine, resulting in a white to pale yellow crystalline powder. Due to its potent aroma, acetylpyrazine is often used in trace amounts to enhance the flavor profiles of various food products, including snacks, baked goods, and processed meats. Its stability and compatibility with other flavor compounds make it a versatile ingredient in both food and cosmetic applications.
Physical and Chemical Properties
Acetylpyrazine has a molecular formula of C6H6N2O and a molecular weight of 122.12 g/mol. It appears as a white to pale yellow crystalline powder with a melting point range of 74-78°C. The compound is soluble in alcohol and slightly soluble in water, making it suitable for use in alcoholic beverages and aqueous solutions. One of the key properties of acetylpyrazine is its stability under normal storage conditions. It does not readily decompose when exposed to air or light, but prolonged exposure to moisture should be avoided to prevent clumping or degradation. The compound's nutty aroma is highly concentrated, requiring careful measurement during formulation.
Main Applications
Acetylpyrazine is primarily used as a flavoring agent in the food industry, where it imparts a nutty, popcorn-like taste to products such as snacks, baked goods, and processed meats. It is also employed in the fragrance industry to create warm, roasted notes in perfumes and scented products. In addition to its culinary and cosmetic uses, acetylpyrazine finds applications in pharmaceutical research as a building block for more complex compounds. Its ability to enhance flavor and aroma profiles makes it a valuable ingredient in various formulations, though it is typically used in minimal quantities due to its potency.
Safety and Storage
Acetylpyrazine should be handled with care to avoid inhalation or direct contact with skin and eyes. It is recommended to use the compound in well-ventilated areas and to wear appropriate personal protective equipment, such as gloves and goggles, during handling. Storage conditions for acetylpyrazine include keeping it in a cool, dry place away from light and moisture. Properly sealed containers are essential to maintain the compound's stability and prevent contamination. In case of accidental exposure, rinse affected areas with plenty of water and seek medical advice if irritation persists.
B2B Procurement Guide
When procuring acetylpyrazine for industrial use, it is crucial to verify the CAS number (22047-25-2) and the purity level specified by the supplier. Reputable suppliers should provide certificates of analysis (CoA) to confirm the product's quality and compliance with industry standards. Buyers should also consider the intended application when selecting acetylpyrazine, as different purity grades may be required for food, fragrance, or pharmaceutical uses. Bulk purchases often come with cost advantages, but storage capacity and shelf life should be factored into procurement decisions. Establishing long-term relationships with reliable suppliers can ensure consistent quality and timely delivery.
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