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rodamina B ≥95% (by HPLC), Sigma-Aldrich®

Dostawca: Merck
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Synonim: 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride, [9-(2-Carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride

M-Clarity™ quality level = MQ200

R6626-100G R6626-25G R6626-500G
SIALR6626-100GEA 583 PLN
SIALR6626-100G SIALR6626-25G SIALR6626-500G
rodamina B ≥95% (by HPLC), Sigma-Aldrich®
rodamina B

Rhodamine B is a xanthene dye, which functions as a water tracer fluorescent. It is used as a colorant in textiles and food stuffs. Rhodamine B is associated with eye, skin and respiratory tract irritation. It is used as a biomarker in oral rabies vaccine.


  • Rhodamine B has been used:
  • to represent fluorescence of tetra methyl rhodamine (TMR)
  • in the preparation of adhesive resin for confocal laser scanning microscopy
  • as a fluorescent dye in intrahemolymph dye dosing and retinal image acquisition
  • to depict brain-specific dye capture
  • for imaging targets

Formuła: C₂₈H₃₁ClN₂O₃
MW: 479.02 g/mol
Temp. topnienia: 210...211 °C (temp. rozkładu, lit.)
Gęstość: 0,79 g/cm³
Temperatura przechowywania: Room Temperature
Numer MDL: MFCD00011931
Numer CAS: 81-88-9
Numer WE (dawny EINECS): 201-383-9
Klasyfikacja Merck : 13,08266

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Wyniki testów specyfikacyjnych

Appearance (Colour) Faint Green to Very Dark Green
Appearance (Form) Powder
Solubility (Colour) Faint Red to Red and Faint Purple to Purple
Solubility (Turbidity), 1 mg/ml, H₂O Clear
UV Absorbance Ratio, ABS at 510 nm (UVAB)/ Lambda max (UVVS) ≤0.50
EmM 104.5 - 119.5
Lambda Max 542 - 554 nm
Purity (HPLC) ≥95 %


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