Rhodamine B
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Rhodamine B
Thermo Scientific Chemicals

Rhodamine B

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100 g
500 g
2.5 kg
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Glass bottle
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Catalog number 132311000
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100 g
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Chemical Identifiers
IUPAC Name9-(2-carboxyphenyl)-3,6-bis(diethylamino)-10λ⁴-xanthen-10-ylium chloride
Molecular FormulaC28H31ClN2O3
InChI KeyPYWVYCXTNDRMGF-UHFFFAOYSA-N
SMILES[Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Molecular Weight (g/mol)479.02
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Dark green
Infrared spectrumConforms
Absorption Ratio P-15/P+151.1 to 1.6
Loss on drying=<10 % (105°C)
Specific absorbance A (1%/1cm)>=1700 (at lambda max.)
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This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
RUO – Research Use Only