Bromophenol blue, pure indicator

Supplier: Thermo Scientific

Synonyms: Bromphenol Blue Sultone Form, BPB, 3,3',5,5'-Tetrabromophenolsulphonphthalein, Tetrabromophenol-sulphonephthalein

151340250 151341000
ACRO151340250EA 148 GBP
ACRO151340250 ACRO151341000
Bromophenol blue, pure indicator
Bromophenol blue
Formula: C₁₉H₁₀Br₄O₅S
MW: 669,97 g/mol
Melting Pt: 279 °C
Density: 1 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00005875
CAS Number: 115-39-9
EINECS: 204-086-2
Merck Index: 13,01429

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Specification Test Results

Appearance Pink-orange to red Powder
Infrared spectrum Conforms
Solubility (0.1 % in ethanol) Clear
Specific extinction E (1%/1cm) ≥1100 (592 nm, in buffer)
Visual transition interval from pH 3.0 (yellow) to pH 4.6 (blue)

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