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Chemical Structure| 74317-53-6 Chemical Structure| 74317-53-6
Chemical Structure| 74317-53-6

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Rhodamine B Hydrazide is an excellent sulfite probe with colorless, non-fluorescent properties. Its fluorescence intensity correlates with sulfite concentration (5-800 ng/mL, detection limit: 1.4 ng/mL (3σ)). Sulfites generate superoxide radicals by reducing dissolved oxygen, which then react with Rhodamine B hydrazide to form a fluorescent product, Rhodamine B, with maximum absorption at 554 nm and maximum emission at 574 nm. Fluorescence is enhanced by Tween 80 micelles.

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Product Details of Rhodamine B Hydrazide

CAS No. :74317-53-6
Formula : C28H32N4O2
M.W : 456.58
SMILES Code : O=C1N(N)C2(C3=C(OC4=C2C=CC(N(CC)CC)=C4)C=C(N(CC)CC)C=C3)C5=C1C=CC=C5
MDL No. :MFCD07808762
InChI Key :WTDHTIVYKKLOTC-UHFFFAOYSA-N
Pubchem ID :4205033

Safety of Rhodamine B Hydrazide

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501

Application In Synthesis of Rhodamine B Hydrazide

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 74317-53-6 ]

[ 74317-53-6 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 3314-30-5 ]
  • [ 74317-53-6 ]
  • [ 1379539-12-4 ]
  • 2
  • [ 99970-84-0 ]
  • [ 74317-53-6 ]
  • C40H38N6O3 [ No CAS ]
  • 3
  • [ 42059-80-3 ]
  • [ 74317-53-6 ]
  • C38H35N5O6 [ No CAS ]
YieldReaction ConditionsOperation in experiment
83% In ethanol;Microwave irradiation; Sealed tube; A mixture of 1 (100 mg, 0.219 mmol),<strong>[42059-80-3]3-formyl-6-nitrochromone</strong> (48 mg, 0.219 mmol), and ethanol(2 mL) was placed in a 10 mL reaction vial. The resulting mixturewas stirred to make it homogeneous and it was placed in the cavityof a CEM microwave reactor. The closed reaction vessel was rununder pressure and irradiated according to the parametersdescribed in Table S9. After cooling to room temperature, theresulting solid was filtered and washed three times with coldethanol. After drying, the ligand L1 was isolated to give in 83% yield.1H NMR (DMSO), d (ppm): 8.65 (1H, s, N]CeH); 8.64 (1H, s), 8.51(1H, d), 8.40 (1H, s), 7.71 (2H, m, HeAr), 7.51 (2H, m, HeAr), 7.09(1H, d), 6.63 (2H, d), 6.44 (2H, d), 6.28 (2H, dd), 3.31 (8H, q,NCH2CH3), 1.14 (12H, t, NCH2CH3). 13C NMR (CDCl3), d (ppm):165.12, 158.82, 153.75, 153.20, 151.97, 149.03 (N]CeH), 144.88,137.81, 133.77, 128.69, 128.42, 127.93, 124.21, 123.98, 123.54, 122.72,120.71, 120.04, 108.00, 105.32, 98.01, 66.01 (spiro carbon), 44.35(NCH2CH3), 12.61 (NCH2CH3).
  • 4
  • [ 42059-80-3 ]
  • [ 74317-53-6 ]
  • C38H35N5O6*Cu(2+) [ No CAS ]
 

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