Kujing CAS 3734-33-6 is a chemical, also known as benzenediamine, benzoic acid modified toluidine, and benzyl ammonium benzoate amide. Kujing is a white crystalline powder with a melting point of 163-170 ℃. It is odorless and has a very strong bitter taste. It is easily soluble in water, ethanol, ethylene glycol, etc. Its aqueous solution is neutral.

Chinese name: Kujing

Foreign name: Denatonium or Denatonium Benzoate

Molecular weight: 446.59

CAS number: 3734-33-6

Chemical formula: C28H34N2O3

Purpose

This product is the most bitter substance known in the world, making it unbearable when the concentration reaches 0.003% in solution. It is used as a bitter (or repellent) in daily necessities and industrial products to prevent poisoning incidents caused by human or animal ingestion, as well as to prevent children from biting on products. Therefore, many countries have regulations for using this product in industrial products such as daily necessities and plastic rubber toy products.

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