Chemical Name: REACTIVE BLUE 19
Synonyms: CI Reactive Blue 19; Brilliant Blue KN-R
Cas No.: 2580-78-1
Molecular Formula: C22H19N2NaO11S3
Molecular Weight: 606.57
Appearance: Blue powder
Chemical Name: 5-Chlorothiophene-2-carbonyl chloride
Cas No.: 42518-98-9
Molecular Formula: C5H2Cl2OS
Molecular Weight: 181.04
Appearance: Blue Powder
Assay: ≥98.5% or 99.0%