Direct black 168

INV009 - Boston 168 Black Hole EP black 168 Acid Black 168 Netural Black Bl, Find Details and Price about Acid Black 168 Acid Dye from Acid Black 168 Netural Black Bl blackbull789 login Name: Direct Black 168, 335475 Molecular Structure: trisazo class Direct Black 168, 335475,CAS 85631-88-5

black bet Direct Black 19 Common Name:Direct Fast Black G Molecular Formula:C 34 H 27 N 13 Na 2 O 7 S 2 Molecular Structure: Molecular Weigh