Crosswords Solver

Answer: chromogens
Answer	Crossword Clue
chromogens	A substance that can be readily converted into a dye or other colored compound
chromogens	CHROMOGEN, a substance which can be converted to a dyestuff by the introduction of a polar group

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: chromogens