Cyclic compounds (3)
PH indicators (3)
Sigma Aldrich (3)
TCI Chemicals (3)
AK Scientific (2)
Oakwood Chemical (1)
Bromophenol blue (115-39-9)
Bromphenol Blue · Tetrabromophenol Blue
Bromophenol blue (3′,3″,5′,5″-tetrabromophenolsulfonphthalein, BPB, albutest) is used as a pH indicator, a color marker, and a dye. It can be prepared by slowly adding excess bromine to a hot solution of phenolsulfonphthalein in glacial acetic acid.
Bromocresol purple (115-40-2)
Bromocresol purple (BCP) or 5′,5″-dibromo-o-cresolsulfophthalein, is a dye of the triphenylmethane family (triarylmethane dyes) 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.
Bromocresol green (76-60-8)
Bromcresol Green · Tetrabromocresolsulfonphthalein
Bromocresol green (BCG) is a dye of the triphenylmethane family (triarylmethane dyes). It belongs to a class of dyes called sulfonephthaleins. It is used as a pH indicator in applications such as growth mediums for microorganisms and titrations.
2-Chloro-m-cresol is a chlorinated derivative of cresol with the chemical formula C7H7ClO.