Thermo Scientific Chemicals

4-(4-Nitrophenylazo)resorcinol, 90+%, Thermo Scientific Chemicals

Catalog number: A12232.36
500 g, Each
Thermo Scientific Chemicals

4-(4-Nitrophenylazo)resorcinol, 90+%, Thermo Scientific Chemicals

Catalog number: A12232.36
500 g, Each
Quantity
Catalog number: A12232.36
also known as A12232-36
Price (USD)
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Chemical Identifiers

CAS
74-39-5
IUPAC Name
3-hydroxy-4-[2-(4-nitrophenyl)hydrazin-1-ylidene]cyclohexa-2,5-dien-1-one
Molecular Formula
C12H9N3O4
InChI Key
BIFFKKLAAIGZBV-UHFFFAOYSA-N
SMILES
OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
Form
powder
lambda-max (UV-Vis)
550 - 560nm (c=0.5, 1M NaOH)
Appearance (Color)
Red to dark red
Assay (HPLC)
> 90.0%

Description

It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.

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.

Applications
It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.

Solubility
Soluble in dilute sodium hydroxide. Insoluble in water.

Notes
Store in cool, dry place in a tightly sealed container. Store away from oxidizing agent.
RUO – Research Use Only

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