Bromocresol Purple AR 25g

R566.57

100 in stock

R566.57

100 in stock

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SKU: LCD300247 Category:

Chem Lab Supplies Bromocresol purple  is a dye of the triphenylmethane family and a pH indicator. It is colored yellow below pH 5.2, and violet above pH 6.8. In its cyclic sulfonate ester form, it has a pKₐ value of 6.3, and is usually prepared as a 0.04% aqueous solution.Chemical formula‎: ‎C21H16Br2O5S

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