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4-(2-Pyridylazo)resorcinol, 98%

Catalog No. AAL0966703
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Quantity:
1 g
5 g

CAS: 1141-59-9 | C11H9N3O2 | 215.212 g/mol

4-(2-Pyridylazo)resorcinol is used in studies of zinc release from Escherichia coli aspartate transcarbamoylase. It is used in cloud point extraction of copper, zinc, cadmium, and nickel in water samples. It is used in the chelate titration of aluminum, mercury, lead and nickel. It is employed as reagent in the colorimetric analysis of gold, cobalt, chromium, iron.

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
4-(2-Pyridylazo)resorcinol is used in studies of zinc release from Escherichia coli aspartate transcarbamoylase. It is used in cloud point extraction of copper, zinc, cadmium, and nickel in water samples. It is used in the chelate titration of aluminum, mercury, lead and nickel. It is employed as reagent in the colorimetric analysis of gold, cobalt, chromium, iron.

Solubility
Soluble in water (partly), and ethanol (slightly). Insoluble in ether, and low-polarity solvents.

Notes
Incompatible with oxidizing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1141-59-9
Molecular Formula C11H9N3O2
Molecular Weight (g/mol) 215.212
MDL Number MFCD00006256
InChI Key VLCAILLZPUINNF-LCYFTJDESA-N
Synonym 4-2-pyridylazo resorcinol, 4-2-pyridlyazo resorcinol, 4-2-pyridylazo-2-resorcinol, resorcinol, 4-2-pyridylazo, 1-2-pyridylazo resorcinol, unii-n68t40h95t, 1,3-benzenediol, 4-2-pyridinylazo, 4-pyridin-2-yldiazenyl benzene-1,3-diol, 4-2-pyridylazo-1,3-benzenediol, 1,3-benzenediol, 4-2-2-pyridinyl diazenyl
PubChem CID 5474737
IUPAC Name (4Z)-3-hydroxy-4-(pyridin-2-ylhydrazinylidene)cyclohexa-2,5-dien-1-one
SMILES C1=CC=NC(=C1)NN=C2C=CC(=O)C=C2O

Specifications

Melting Point ∽187°C (decomposition)
Quantity 1 g
Beilstein 184665
Solubility Information Soluble in water (partly),and ethanol (slightly). Insoluble in ether,and low-polarity solvents.
Formula Weight 215.21
Percent Purity 99%
Chemical Name or Material 4-(2-Pyridylazo)resorcinol
Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 214-528-6
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only

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