Name:C.I.Reactive Blue 49,C.I.621526
Molecular Structure: anthraquinones
C.I.Reactive Blue 49,C.I.621526,CAS 12236-92-9,882.19,C32H23ClN7Na3O11S3,Reactive Blue K-3R,Reactive brilliant Blue P-3R Reactive Blue K-3R,Reactive brilliant Blue P-3R,Cibacron Blue P-3R
Molecular Formula:C32H23ClN7Na3O11S3
Molecular Weight: 882.19
CAS Registry Number:12236-92-9
Manufacturing Methods : 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 3,5-Diamino-2,4,6-trimethylbenzenesulfonic acid condensation, again with 2,4,6-Trichloro-1,3,5-triazine condensation, and finally 3-Aminobenzenesulfonic acid condensation.
Properties and Applications: red light blue. Blue powder, the strong sulfuric acid for red light blue; In a dilute alkali solution to blue. In 20 ℃ solubility of 200 g/L; 50 ℃ when more than 200 g/L solubility. The dyed fabric for the red light blue light. The reactive dyes low, low affinity, solid color rate is 60%. Neutral and alkaline are not suitable for white.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 6 | 4-5 | 5 | 4-5 | 5 | ||
