We are a main distributor of the leading manufacturer of reactive blue 19, our products list is as following: C.I. Reactive Blue 19 Series (KN-R) 60%-150% (CAS: 2580-78-1) C.I. Reactive Blue 49 100% (CAS: 12236-92-9) C.I. Reactive Blue 198 100% (CAS: 124428-55-1) C.I. Reactive Blue 220 100% (CAS: 128416-19-3) C.I. Reactive Blue 221 100% (CAS: 90351-41-3) Base of Reactive Blue 19 Base of Reactive Blue 49 Base of Reactive Blue 198 Bromamine Acid (MWD 382) 90%-92% min (CAS: 116-81-4) Meta Base Ester 75% min (CAS: 2494-88-4) Meta Base Condense 95% min (CAS: 5246-57-1) N-Ethyl Meta Base Ester 80% min (CAS: 83574-63-4) N-Ethyl Para Base Ester 80% min 1-Aminoanthraquinone 97% min (CAS: 82-45-1) 3,3'-Dichloro-4,4'-Benzidine HCL (DCB)