Thermo Scientific Chemicals

Chromotrope 2B

Catalog number: L11330.22
100 g, Each
Thermo Scientific Chemicals

Chromotrope 2B

Catalog number: L11330.22
100 g, Each
Quantity
Catalog number: L11330.22
also known as L11330-22
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Chemical Identifiers

CAS
548-80-1
IUPAC Name
disodium (3E)-5-hydroxy-3-[2-(4-nitrophenyl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
Molecular Formula
C16H9N3Na2O10S2
InChI Key
MQHFURHHKNKIRN-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
Specific Absorbance (E 1%/1cm)
≥575 (at lambda max, on dried substance)
Appearance (Color)
Dark green to dark brown to black
Loss on Drying
≤18.0%
Form
Powder
lambda-max (UV-Vis)
512.0-518.0nm (c=0.1 in water)

Description

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

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