Bromothymol blue, pure indicator

Supplier: Thermo Scientific

Synonyms: 3′,3″-Dibromothymolsulphonphthalein, 3,3-Bis(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

151360250 151361000 151365000
ACRO151360250EA 115 GBP
ACRO151360250 ACRO151361000 ACRO151365000
Bromothymol blue, pure indicator
Bromothymol blue
Formula: C₂₇H₂₈Br₂O₅S
MW: 624,39 g/mol
Melting Pt: 204 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00005872
CAS Number: 76-59-5
EINECS: 200-971-2
Merck Index: 13,01430

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Specification Test Results

Appearance Light pink to brown to purple Crystalline powder
Infrared spectrum Conforms
UV spectrum Complies
Solubility (0.1 % in ethanol) Clear
Visual transition interval from pH 6.0 (yellow) to pH 7.6 (blue)

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