Bromophenol blue, pure indicator

Supplier: Thermo Scientific Chemicals

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

15134-0250 15134-1000
TS15134-0250EA 97 USD
TS15134-0250 TS15134-1000
Bromophenol blue, pure indicator
Bromophenol blue
Formula: C₁₉H₁₀Br₄O₅S
MW: 669.97 g/mol
Melting Pt: 279 °C
Storage Temperature: Ambient
MDL Number: MFCD00005875
CAS Number: 115-39-9
EINECS: 204-086-2
Merck Index: 1301429

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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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