178268
4-(2-Pyridylazo)resorcinol monosodium salt hydrate
Synonym(s):
PAR monosodium salt hydrate
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About This Item
Empirical Formula (Hill Notation):
C11H8N3NaO2 · xH2O
CAS Number:
Molecular Weight:
237.19 (anhydrous basis)
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3825637
assay
≥97.5% (HPLC)
Quality Level
form
powder or crystals
λmax
411 nm
application(s)
diagnostic assay manufacturing
hematology
histology
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
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 (O2•-). It is also suitable to measure the concentration of Zn2+, Zinc transition metal ions.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Analytical Chemistry, 57, 625-625 (1985)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 178268-5G | 04061838753694 |
| 178268-10G | 04061838753687 |