How is Mexican heroin commonly known?

Mexican heroin is commonly referred to as "black tar" due to its distinctive appearance and texture. This type of heroin is typically sticky and resembles a dark substance, which is why it gained this nickname. Black tar heroin is often less refined than other forms of heroin, resulting in a product that has a lower purity and a different chemical composition.

The name "black tar" accurately describes the product’s physical characteristics, which can appear like tar that is black in color and has a thick, gooey consistency. Understanding the terminology associated with different opiates, such as black tar heroin, can be crucial in discussions related to drug identification, public health, and law enforcement.