Brasilin

Name:
Brasilin
Detailed information:
(brazilin; brazilwood extract).

M Formula:	C16H14O5
Properties:
White or pale-yellow, rhombic needles from alcohol; turns orange in air or light. Soluble in water, alcohol, and ether; in alkalis giving a carmine-red color. Decomposes above 130C.
Use:
Dyeing wood, ink, textiles, etc. red and purple shades. Acid-base indicator, turning yellow in acid and carmine red in alkali. Biological stain.