Bromothymol blue, powder ACS
Supplier: MP BIOMEDICALS (FKA ICN BIOMED
Synonyms:
3,3-Bis(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
, 3′,3″-Dibromothymolsulfonphthalein
, 3′,3″-Dibromothymolsulphonphthalein
Bromothymol Blue (BTB) is a pH indicator (pKa approx. 7.1) that is used as a biological slide vital stain to define cell walls or nuclei under the microscope. BTB is also a component of several bacterial growth and detection substrates such as cystine lactose electrolyte deficient (CLED/BROLACIN); polymyxin pyruvate egg yolk mannitol bromothymol blue (PEMBA) and MacConkey agar.
Soluble in water (Sparingly soluble), ethanol, ether, and aqueous solutions of alkalis.
Formula:
C₂₇H₂₈Br₂O₅S MW: 624.39 g/mol |
MDL Number:
MFCD00005872 CAS Number: 76-59-5 |
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