Concentrations vary... The standard name for coal tar is "liquor carbonis detergens", abbreviated in prescriptions as LCD. A common therapeutic dose is "LCD USP 10%" in petrolatum or other inert lotion. This is equivalent to 2% coal tar by weight which you can find in over-the-counter preparations.
Most manufacturers of petrolatum tested it on animals, so no.
Not any more. They used to sell it as Medicated Vaseline or First Aid Antiseptic Prtroleum Jelly, but discontinued it about 5 years ago.
petroleum is just another name for petrolatum.
What are the advantage of the USP?
Petrolatum is not one substance but a blend of different hydrocarbons, the structure of which will almost certainly be covalent.-- JT
It is petrolatum product
what is usp of allahabad bank
USP of clinic plus shampoo
USP glycerin is a pure compound.
USP stands for unique selling proposition.
semi solids and hydrocarbons