Informativa e consenso per l'uso dei cookie

Accetto Il nostro sito salva piccoli pezzi di informazioni (cookie) sul dispositivo, al fine di fornire contenuti migliori e per scopi statistici. È possibile disattivare l'utilizzo di cookies modificando le impostazioni del tuo browser. Continuando la navigazione si acconsente all'utilizzo dei cookie.

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

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

Codice CAS
85-85-8
Sinonimi
PAN

Dimensioni Prezzo ($) Quantità Disponibilità
1g 18,80
5g 60,90
25g 222,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

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

MDL
MFCD00004071
EINECS
201-637-9

Proprietà chimiche

Formula
C15H11N3O
Peso formula
249.27
Punto di fusione
138-141°
Solubilità
Insoluble in water.

Applicazioni

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.

Note

Incompatible with strong bases and strong oxidizing agents.

Letteratura

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.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

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

Dichiarazioni precauzionali: 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.

Altri riferimenti

Beilstein
206390
Codice tariffe armonizzato
2933.39
TSCA
Yes

Raccomandato

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio