Phenol red, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator
Supplier: VWR Chemicals
Synonyms:
3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
VWRC86160.050EA
113
SGD
VWRC86160.050
VWRC86160.150
VWRC86160.180
Phenol red, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. indicator
Phenol red
Formula:
C₁₉H₁₄O₅S MW: 354,38 g/mol |
MDL Number:
MFCD00003552 CAS Number: 143-74-8 |
Specification Test Results
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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