Phenolrot, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indikator
Lieferant: VWR Chemicals
Synonyme:
Phenolsulfonphthalein
, 4,4-(3H-2,1-Benzoxathiol-3- yliden)bisphenol-1,1-dioxid)
86160.180EA
438
EUR
86160.180
86160.050
86160.150
Phenolrot, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. Indikator
Phenolrot
Formel:
C₁₉H₁₄O₅S Molecular Weight: 354,38 g/mol |
MDL:
MFCD00003552 CAS-Nummer: 143-74-8 |
Spezifikation Testergebnisse
pH Range (Yellow-Red) | 6.8 - 8.2 |
Clarity of Solution | Passes Test |
Absorption Maximum λ1 (pH 1.2) | 503 - 506 |
Absorption Maximum λ2 (pH 3.0) | 430 - 435 |
Absorption Maximum λ3 (pH 6.5) | 430 - 435 |
Absorption Maximum λ4 (pH 8.8) | 557 - 560 |
Absorptivity (A1%/1 cm; λ1, on Dried Sample) | 900 - 1100 |
Absorptivity (A1%/1 cm; λ2; on Dried Sample) | 500 - 700 |
Absorptivity (A1%/1 cm; λ3, on Dried Sample) | 500 - 700 |
Absorptivity (A1%/1 cm; λ4, on Dried Sample) | 1000 - 1200 |
Insoluble in C₂H₅OH | Passes Test |
Copper (Cu) | ≤0,005 |
Iron (Fe) | ≤0,005 |
Lead (Pb) | ≤0,005 |
Nickel (Ni) | ≤0,005 |
Loss on Drying (110 °C) | ≤5 |
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