Phenolrot, rein Indikator
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
Phenolsulfonphthalein
, 4,4-(3H-2,1-Benzoxathiol-3- yliden)bisphenol-1,1-dioxid)
ACRO151430050EA
34.1
EUR
ACRO151430050
ACRO151430250
ACRO151431000
Phenolrot, rein Indikator
Phenolrot
Formel:
C₁₉H₁₄O₅S Molecular Weight: 354,38 g/mol Schmelzpunkt: >300 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00003552 CAS-Nummer: 143-74-8 EINECS: 205-609-7 Merck Index: 13,07329 |
Spezifikation Testergebnisse
Appearance | Red Powder |
Infrared spectrum | Conforms |
Solubility | (0.1 % in 95% ethanol) Clear soluble |
UV Lambda max | 555 to 561 nm (in buffer) |
Specific extinction E (1%/1cm) | ≥1700 (at lambda max., in buffer) |
Visual transition interval | from pH 6.8 (yellow) to pH 8.2 (red) |
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