direct blue 297 fabrication en ligne

Direct dyes direct navy blue D-R CAS NO. 72586-15-3 Direct blue 297 Product Name: Direct Blending Navy Blue D-R; Direct Navy Blue R; Direct blue 297.Molecular formula: C54H38N10O25S7 CAS No.: 72586-15-3 ... Lire la suite

Direct dyes direct violet D-5BL CAS 6798-03-4 Direct violet 66 Product Name: Direct Blending violet D-5BL; ;C.I. Direct Violet 66; Direct violet 5BLMolecular formula: C32H19Cu2N7NaO14S4 CAS No.:6798-03-4 ... Lire la suite