Overview
Denatonium Benzoate is a quaternary ammonium compound renowned for being the most bitter substance known to humans. It was discovered in 1958 and has since been widely adopted as an aversive agent to deter accidental ingestion of hazardous substances. Its extreme bitterness, detectable at concentrations as low as 10 parts per million, makes it highly effective in small quantities. Despite its intense taste, Denatonium Benzoate is non-toxic at typical usage levels, making it a safe additive for a variety of products. It is commonly used in household cleaners, automotive fluids, and personal care items to prevent misuse, particularly by children and pets.
Physical and Chemical Properties
Denatonium Benzoate is a white, crystalline powder with a molecular weight of 446.58 g/mol. It is highly soluble in water, ethanol, and glycol, which facilitates its incorporation into liquid formulations. The compound melts between 163–170 °C and remains stable under normal storage conditions. One of its most notable characteristics is its extreme bitterness, which is perceived almost instantaneously upon contact with taste receptors. This property is leveraged in applications where deterrence of ingestion is critical. The compound is chemically stable and does not degrade easily, ensuring long-term effectiveness in formulated products.
Main Applications
Denatonium Benzoate is primarily used as an aversive agent in products that pose a risk of accidental ingestion. Household items such as cleaning solutions, laundry detergents, and antifreeze often contain small amounts to prevent poisoning incidents. In the pharmaceutical industry, it is added to medications to discourage misuse, particularly in liquid formulations. Industrial applications include its use in paints, solvents, and adhesives to deter ingestion. Personal care products like nail polish removers and shampoos may also incorporate Denatonium Benzoate to enhance safety. Its versatility and effectiveness have made it a standard additive in many consumer and industrial goods.
Safety and Storage
Denatonium Benzoate is classified as generally recognized as safe (GRAS) by regulatory agencies when used at recommended concentrations. It is non-toxic and does not pose significant health risks, though prolonged skin contact or inhalation of powder should be avoided to prevent irritation. Proper storage involves keeping the compound in a cool, dry place away from direct sunlight. Containers should be tightly sealed to prevent moisture absorption and contamination. Handling should follow standard laboratory practices, including the use of gloves and eye protection when working with large quantities.
B2B Procurement Guide
When sourcing Denatonium Benzoate, B2B buyers should prioritize suppliers who provide detailed certificates of analysis (COA) to verify purity and quality. The compound is available in various grades, with pharmaceutical and industrial grades being the most common. Pricing typically ranges from $50–$200 per kilogram, depending on quantity and specifications. Buyers should also confirm that the supplier complies with relevant safety and regulatory standards, such as FDA or REACH certifications. Bulk purchases may offer cost advantages, but storage conditions must be carefully managed to maintain product integrity. Lead times and logistics should be considered, especially for international shipments.
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