o-Cresolphthalein complexone Reag. Ph. Eur. Indicatore per la determinazione dei metalli, Supelco®
Fornitore: Merck
Synonyms:
o-Cresolphthalein Complexone, Phthalein purple, Cresol phthalexone, Xylenolphthalein-bis(iminodiacetic acid), Phthalein complexone, Phthalate complexing agent [Chelation indicator], Metal phthaleine, o-Cresolphthalexon
M-Clarity™ quality level = MQ200
Formula:
C₃₂H₃₂N₂O₁₂ Peso molecolare: 636,62 g/mol Punto di fusione: 186 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00005911 CAS Number: 2411-89-4 EINECS: 219-318-8 |
Risultati del test di specificazione
Identity (UV/VIS-Spectrum) | passes test |
Absorption maximum λmax. (Sodium hydroxide solution 0.1 mol/l) | 577 - 580 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; sodium hydroxide solution 0.1 mol/l; calc. on anhydrous substance) | ≥ 750 |
Water (according to Karl Fischer) | ≤ 10 % |
Suitability as indicator (for metal titration) | passes test |
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