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1-(2-Pyridylazo)-2-naphthol, 98%, Thermo Scientific Chemicals

Product Code. 11468077
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Quantity:
1 g
5 g
25 g

1-(2-Pyridylazo)-2-naphthol is widely used as an indicator for complexometry. It is used as a reagent for the extraction and spectrophotometric determination (for colorimetric analysis) of many transition metal elements like arsenic, chromium, cobalt, copper, cadmium, manganese, zinc and zirconium. It is also used for the analysis of uranium and thorium in solutions.

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
1-(2-Pyridylazo)-2-naphthol is widely used as an indicator for complexometry. It is used as a reagent for the extraction and spectrophotometric determination (for colorimetric analysis) of many transition metal elements like arsenic, chromium, cobalt, copper, cadmium, manganese, zinc and zirconium. It is also used for the analysis of uranium and thorium in solutions.

Solubility
Insoluble in water.

Notes
Incompatible with strong bases and strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 85-85-8
Molecular Formula C15H11N3O
Molecular Weight (g/mol) 249.273
MDL Number MFCD00004071
InChI Key RAXUMGMWXZYADR-OBGWFSINSA-N
Synonym 1-2-pyridylazo-2-naphthol, unii-095b53y3xv, pan indicator, 2-naphthalenol, 1-2-pyridinylazo, 1e-1-pyridin-2-ylhydrazinylidene naphthalen-2-one, 1-2-pyridylazo-2-hydroxynaphthalene, pan van, 1-2-pyridyldiazenyl naphthalen-2-ol, 1-pyridin-2-azo-2-naphthol, 2-naphthalenol, 1-2-2-pyridinyl diazenyl
PubChem CID 5376264
IUPAC Name (1E)-1-(pyridin-2-ylhydrazinylidene)naphthalen-2-one
SMILES C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=CC=N3

Specifications

Melting Point 138°C to 141°C
Quantity 25 g
Beilstein 206390
Solubility Information Insoluble in water.
Formula Weight 249.27
Percent Purity 98%
Chemical Name or Material 1-(2-Pyridylazo)-2-naphthol

RUO – Research Use Only

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