| Bioactivity | Rhodamine B hydrazide is a good probe for sulfite, with colorless and non-fluorescent properties. While the emission is related to the concentration of sulfite (5-800 ng/mL; detection limit=1.4 ng/mL (3σ)). Sulfite reduces dissolved oxygen to yield superoxide radicals, which binds to Rhodamine B hydrazide to form Rhodamine B. Rhodamine B hydrazide gives Rhodamine B-like fluorescence in the presence of sulfite, which is enhanced by Tween 80 surfactant micelles. Rhodamine B hydrazide has an absorption maximum at 554 nm and a fluorescence emission maximum at 574 nm[1]. |
| Name | Rhodamine B hydrazide |
| CAS | 74317-53-6 |
| Formula | C28H32N4O2 |
| Molar Mass | 456.58 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Yang X F, et al. Novel spectrofluorimetric method for the determination of sulfite with rhodamine B hydrazide in a micellar medium[J]. Analytica Chimica Acta, 2002, 456(1): 121-128. |
Rhodamine B hydrazide
CAS: 74317-53-6 F: C28H32N4O2 W: 456.58
Rhodamine B hydrazide is a good probe for sulfite, with colorless and non-fluorescent properties. While the emission is
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