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Chromotrope 2B
Chromotrope 2B
Chromotrope 2B
Thermo Scientific Chemicals

Chromotrope 2B

CAS: 548-80-1 | C16H9N3Na2O10S2 | 513.36 g/mol
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100 g
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Catalog number L11330.22
also known as L11330-22
Price (USD)
118.65
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132.00
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Quantity:
100 g
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Price (USD)
118.65
Online Exclusive
132.00
Save 13.35 (10%)
Each
Chemical Identifiers
CAS548-80-1
IUPAC Namedisodium (3E)-5-hydroxy-3-[2-(4-nitrophenyl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
Molecular FormulaC16H9N3Na2O10S2
InChI KeyMQHFURHHKNKIRN-GVLVODDDSA-L
SMILES[Na+].[Na+].OC1=CC(=CC2=C1C(=O)C(=N/NC1=CC=C(C=C1)[N+]([O-])=O)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Dark green to dark brown to black
Specific Absorbance (E 1%/1cm)≥575 (at lambda max, on dried substance)
Loss on Drying≤18.0%
FormPowder
lambda-max (UV-Vis)512.0-518.0nm (c=0.1 in water)
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
RUO – Research Use Only