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1-(2-Pyridylazo)-2-naphthol, 98%, Thermo Scientific Chemicals
Supplier: Thermo Scientific Chemicals A1747506
Description
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.
Applications1-(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.
Specifications
| 1-(2-Pyridylazo)-2-naphthol | |
| 138°C to 141°C | |
| MFCD00004071 | |
| 206390 | |
| Insoluble in water. | |
| C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=CC=N3 | |
| 249.273 | |
| 249.27 |
| 85-85-8 | |
| C15H11N3O | |
| 5 g | |
| 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 | |
| RAXUMGMWXZYADR-OBGWFSINSA-N | |
| (1E)-1-(pyridin-2-ylhydrazinylidene)naphthalen-2-one | |
| 5376264 | |
| 98% |
Chemical Identifiers
| 85-85-8 | |
| 249.273 | |
| RAXUMGMWXZYADR-OBGWFSINSA-N | |
| 5376264 | |
| C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=CC=N3 |
| C15H11N3O | |
| MFCD00004071 | |
| 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 | |
| (1E)-1-(pyridin-2-ylhydrazinylidene)naphthalen-2-one |
Safety and Handling
GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
H315-H319-H335
EINECSNumber : 201-637-9
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only