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4-(2-Pyridylazo)resorcinol monosodim salt monohydrate, Sigma-Aldrich®

Fornitore: SIGMA-ALDRICH MICROSCOPY

Synonyms: PAR monosodium salt monohydrate, 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate, PAR

M-Clarity™ quality level = MQ200

178268-10G 178268-5G
178268-10GEA 265 EUR
178268-10G 178268-5G
4-(2-Pyridylazo)resorcinol monosodim salt monohydrate, Sigma-Aldrich®
4-(2-Pyridylazo)resorcinol monosodim salt monohydrate

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


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.

Formula: C₁₁H₈N₃NaO₂·1H₂O
Peso molecolare: 255,21 g/mol (237,19 anhy)
Temperatura di stoccaggio: Room Temperature
MDL Number: MFCD00150712
CAS Number: 16593-81-0
EINECS: 236-339-8
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Risultati del test di specificazione

Purity (HPLC area %) ≥ 97.5 %
Water 4 - 10 %
Infrared Spectrum Conforms to structure

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