Description

General description

4-(2-Pyridylazo)resorcinol monosodium salt is a chromophoric indicator and chromogenic chelator employed for the spectrophotometric determination of several metal ions.

Application

4-(2-Pyridylazo)resorcinol monosodium salt hydrate has been used in the preparation of titanium reagent for the spectrometric measurement of hydrogen peroxide (H₂O₂) and superoxide anion (O^2•-). It is also suitable to measure the concentration of Zn²⁺, Zinc transition metal ions.

Properties

Empirical Formula (Hill Notation)	C11H8N3NaO2 · xH2O
CAS Number	16593-81-0
Molecular Weight	237.19 (anhydrous basis)
Beilstein	3825637
MDL number	MFCD00150712
UNSPSC Code	12171500
PubChem Substance ID	24850727
NACRES	NA.47
Assay	≥97.5% (HPLC)
Quality Level	200
form	powder or crystals
application(s)	diagnostic assay manufacturing hematology histology
λmax	411 nm
storage temp	room temp
SMILES string	[Na+].[H]O[H].Oc1cc([O-])ccc1\N=N\c2ccccn2
InChI	1S/C11H9N3O2.Na.H2O/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11;;/h1-7,15-16H;;1H2/q;+1;/p-1/b14-13+;;
InChI key	KMHFHNVYQMFVAN-QDBORUFSSA-M

Disclaimer: For laboratory research use only.