Bromothymol blue CAS:76-59-5 is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is for measuring the presence of carbonic acid in a liquid. Bromothymol blue CAS:76-59-5 is a member of the class of 2,1-benzoxathioles that is 2,1-benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl groups. It has a role as an acid-base indicator, a dye and a two-colour indicator. It is a 2,1-benzoxathiole, an arenesulfonate ester, an organobromine compound, a polyphenol and a sultone. Bromothymol blue CAS:76-59-5 is a dye used as an indicator in determining pH. Bromthymol blue is a weak acid. It can be in acid or base form, depending on the pH of the solution. This reagent is yellow in acidic solutions, blue in basic solutions and green in neutral solution. Bromothymol blue CAS:76-59-5 could be supplied in commercial size with competitive price.
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