Chlorphenolrot, rein Indikator-Qualität
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
4,4'-(3H-2,1-Benzoxathiol-3-yliden)bis[2-chlorphenol]-S,S-dioxid, 3′,3′′-Dichlorphenolsulfonphthalein
190040100
190040500
ACRO190040100EA
65.1
EUR
ACRO190040100
ACRO190040500
Chlorphenolrot, rein Indikator-Qualität
Chlorphenolrot
Formel:
C₁₉H₁₂Cl₂O₅S Molecular Weight: 423,27 g/mol Schmelzpunkt: 261 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005877 CAS-Nummer: 4430-20-0 EINECS: 224-619-2 |
Spezifikation Testergebnisse
Appearance | Green to red-brown to brown Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤8 % (110°C) |
Solubility | (0.1 % in ethanol) Clear brown-yellow to dark orange |
UV Lambda max | 572 to 576 nm (in 0.1 N NaOH) |
Specific absorbance A (1%/1cm) | ≥1000 (at Lambda max) On dried substance |
Visual transition interval | from pH 4.8 (yellow) to pH 6.4 (purple) |
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