Answer: lampblack

AnswerCrossword Clue
LAMPBLACKSooty stuff
LAMPBLACKPaint ingredient
LAMPBLACKSoot used as a pigment
LAMPBLACKSome soot
LAMPBLACKProduct from soot
lampblacka finely divided form of almost pure carbon produced by the incomplete combustion of organic compounds / to blacken with lampblack
lampblackA black pigment made from soot