Bromocresol Purple ACS

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£196.00

SKU:: 236739
Molekulargewicht:: 562.24
Reinheit:: ≥97% (Dye Content)
Lagerbedingungen:: 4°C
Hersteller:: United States Biological
CAS Number:: 62625-30-3
Format:: Grey to light purple or pink to yellow tan powder
Weitere Details:: Bromocresol Purple is used as a pH indicator. CAS No: 62625-30-3 Synonym: 5',5''-Dibromo-2-cresolsulfonephthalein sodium salt Molecular Formula: C21H15Br2O5SNa Molecular Weight: 562.24 Appearance: Grey to light purple or pink to yellow tan powder Dye Content: ≥97% (Dye Content) UV Ratios (Absorptivity 1%, 1cm, pH 5.2): λmax. 432 ± 1nm = 400-450 (pH 6.8) λmax. 589 ± 1nm = 1000-1100 Solubility: Clear solution at 0.1% in EtOH Visual Titration Range: pH 5.2 (yellow) to pH 6.8 (purple) Loss on Drying: ≤1% (110°C, 1hour) Grade: Indicator Storage: Store at room temperature. Avoid contact with moisture.