It is an important organic chemical material and widely used in many fields, dyestuff, medicine, detonator, spicery and rubber-vulcanize accelerant etc.
Now, a few months after his first fatal fire, Peter went out one night and spent the evening walking around with a can of his favorite accelerant, paraffin oil, which is a highly flammable substance used in cosmetics.
And that if you find burned floors, that automatically says an accelerant was used because you dump accelerant on the floor and light it, and that's how the floor gets charred.
The black goo functions as a genetic accelerant and mutator, a substance capable of radically altering or even completely destroying an organism's physiology.