Bromkresolgrün, rein Indikator-Qualität
Lieferant: Thermo Scientific
Synonyme:
3,3',5,5'-Tetrabrom-m-kresolsulfonphthalein
, BCG
ACRO151310050EA
102
EUR
ACRO151310050
ACRO151310250
Bromkresolgrün, rein Indikator-Qualität
Bromkresolgrün
Formel:
C₂₁H₁₄Br₄O₅S Molecular Weight: 698,02 g/mol Schmelzpunkt: 225 °C (Zersetzung) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005874 CAS-Nummer: 76-60-8 EINECS: 200-972-8 Merck Index: 13,01370 |
Spezifikation Testergebnisse
Appearance | Yellow to beige to light brown Powder |
Infrared spectrum | Conforms |
Solubility | (0.1 % in ethanol) Clear |
UV Lambda max | 613 to 621 nm (in buffer) |
Specific extinction E (1%/1cm) | ≥550 (at lambda max) |
Visual transition interval | from pH 3.8 (yellow) to pH 5.4 (blue) |
Heavy metals (as Pb) | ≤10 ppm |
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