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CAS:2411-89-4
Molekulare Formel:C32H32N2O12
Molekulare Gewicht:636.61
EINECS:219-318-8
Synonyme:XYLENOLPHTHALEIN-BIS(MINODIACETIC SÄURE); XYLENYLPHTHALEIN-BISIMINODIACETIC ACID; PHTHALEIN PURPLE; PHTHALEIN COMPLEXON; PHTHALEIN COMPLEXONE; Cresolphtha; o-Cresolphthalein complexone p.ein.; o-Cresolphthalein Co; Metalphthalein, n-hydrate
O-Cresolphthalein Complexone, auch bekannt als o-Toluol phenolphthalein (C22H18O4mol346.38), ist ein weißes oder gelbes Pulver, das leicht löslich in ethanol und äther; Unlöslich in Wasser, löslich in verdünnten alkali -, in der Farbe blau, pH 8.2-9.8 (Farbe reicht von farblos zu rot); Die maximale absorption peak ist 566 (381) mm.
| Element | Spezifikation |
| λmax | 575nm, 377nm |
| Dichte | 1.515±0,06 g/cm3(Vorhergesagt) |
| Schmelzpunkt | 181-185 °C (dec.)(lit.) |
| Lagerung Bedingungen | Shop unten +30°C. |
| Reinheit | 98%pKa |
| pKa | 1.47, 8.24(bei 25℃) |
O-Cresolphthalain Complexone ist ein Indikator für complexometric titration von magnesium -, calcium -, strontium -, barium-und SO42-; Reagenz für die Bestimmung der serum-calcium -, Chelat-Ionen-Chromatographie-ligand für die trace-Metall-Ionen
Normalerweise verpackt in 25 kg/Trommel,und kann auch tun benutzerdefinierte Paket.
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