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85-85-8 - 1-(2-Pyridylazo)-2-naphthol, 98% - PAN - A17475 - Alfa Aesar

A17475 1-(2-Pyridylazo)-2-naphthol, 98%

Numéro CAS
85-85-8
Synonymes
PAN

Dimensions Prix ($) Quantité Disponibilité
1g 18,95
5g 61,49
25g 224,54
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1-(2-Pyridylazo)-2-naphthol, 98%

MDL
MFCD00004071
EINECS
201-637-9

Propriétés chimiques

Formule
C15H11N3O
Poids formulaire
249.27
Point de fusion
138-141°
Solubilité
Insoluble in water.

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.

Notes

Incompatible with strong bases and strong oxidizing agents.

Références bibliographiques

Indicator for complexometry.

Reagent for spectrophotometric determination of metals.

Gupta, V. K.; Shoora, S. K.; Kumawat, L. K.; Jain, A. K. A highly selective colorimetric and turn-on fluorescent chemosensor based on 1-(2-pyridylazo)-2-naphthol for the detection of aluminium(III) ions. Sens. Actuators, B 2015, 209, 15-24.

Pfeiffer, C. R.; Fowler, D. A.; Atwood, J. L. Selective Complexation in Three Component Cocrystals Composed of Pyrogallol[4]arene and Fluorescent Probes Pyrene and 1-(2-Pyridylazo)-2-naphthol. Cryst. Growth Des. 2015, 15 (8), 3992-3998.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Beilstein
206390
Code tarifaire harmonisé
2933.39
TSCA
Yes

Recommandé

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Produits chimiques

Sciences de la vie

Métaux et matériaux

Catalyseurs

Analytique et matériel de laboratoire