Bitter essence is a chemical substance, also known as benzalkonium chloride, benzoic acid denatured Tonin, benzyl ammonium benzoate amide. Bitter is a white crystalline powder with a very strong bitter taste, which is easily soluble in water, ethanol and ethylene glycol, and its aqueous solution is neutral. Bitter essence is added to industrial products such as plastic rubber toys as an aversion agent. They are used as denaturants or nausea agents and added to toxic and harmful substances that are easy to eat by mistake.
It is a very effective food blocker for children, which can prevent people from being poisoned. The LD50 of this product is 584mg/kg body weight, which is a moderately toxic substance. Due to the extremely low concentration, it is safe and non-toxic under normal use conditions. Usually, the concentration of this product is extremely low, only a few cents per kilogram of product. It will not increase the product cost, but it can give the product safety and functionality.
This product is the most bitter substance known in the world. When the concentration in the solution reaches 0.003%, it is unbearable. It can be used as bittering agent (or aversion agent) in daily necessities and industrial products, and can prevent poisoning incidents caused by people and animals eating by mistake, and prevent children from biting articles. Therefore, many countries stipulate that this product should be used in industrial products such as daily necessities and plastic toys.