When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base such as petrolatum.
Hiram Rhodes Revels, R-Miss. Revels was the first African-American to serve as a state senator, representing Mississippi. Revels was elected by the Mississippi State Senate to fill a vacant U.S. Senate seat, which was abandoned by Albert G. Brown when Mississippi seceded from the Union during the Civil War.
Nominated by the (tiny) Communist Party in 1968, Charlene Mitchell was the first African American woman nominated for president in the United States. She was on the ballot in two states in the general election, and received less than 1,100 votes nationally. Shirley Chisholm Announcing Her Run for the Presidency 1972.