Reactive Blue 4 (sodium) [CAS 4499-01-8]

Reactive Blue 4 sodium is an anthraquinone dye used extensively in the textile industry. Reactive Blue 4 sodium is a single colorimetric chemosensor for sequential determination of multiple analytes with different optical responses in aqueous media[1][2][3].

[4499-01-8]

C23H12Cl2N6Na2O8S2

681.39

O=S(C(C(N)=C1C2=O)=CC(NC3=CC=C(S(=O)(O[Na])=O)C(NC4=NC(Cl)=NC(Cl)=N4)=C3)=C1C(C5=C2C=CC=C5)=O)(O[Na])=O

Fluorescent Dye

10 mM in DMSO

Room temperature

H319

P264-P280-P305+P351+P338