Reactive Blue 49 Chemical Properties

InChIKey

OYYZSRVQTPSXRG-UHFFFAOYSA-N

SMILES

C1(N)=C2C(C(=O)C3=C(C2=O)C=CC=C3)=C(NC2=C(C)C(S(O)(=O)=O)=C(C)C(NC3=NC(Cl)=NC(NC4=CC=CC(S(O)(=O)=O)=C4)=N3)=C2C)C=C1S(O)(=O)=O

Reactive Blue 49 Usage And Synthesis

Chemical Properties

Dark blue powder. Easily soluble in water, solubility in water is 200g/L (20℃), solubility in water at 50℃ is more than 200g/L. It is reddish blue in concentrated sulfuric acid; blue in dilute alkali solution.

Preparation

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.

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