Rhodamine B hydrazide - CAS 74317-53-6

Rhodamine B hydrazide serves as an effective probe for sulfite detection, transitioning from colorless and non-fluorescent to emitting Rhodamine B-like fluorescence upon interaction with sulfite (5-800 ng/mL; detection limit=1.4 ng/mL (3σ) ) . This process occurs as sulfite reduces dissolved oxygen, generating superoxide radicals that react with Rhodamine B hydrazide to yield Rhodamine B. The addition of Tween 80 surfactant micelles further enhances this fluorescence. The absorption and fluorescence emission maxima of Rhodamine B hydrazide are at 554 nm and 574 nm, respectively [1].

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74317-53-6

C28H32N4O2

456.58

CCN(CC)c1ccc2c(Oc3cc(ccc3C22N(N)C(=O)c3ccccc23)N(CC)CC)c1

-20°C

Ice Packs

Dye-Reagents