BROMOPHENOL BLUE INDICATOR SOLUTION pH3.0-4.6

BROMOPHENOL BLUE INDICATOR SOLUTION pH3.0-4.6

Bromophenol blue, Tetrabromophenolsulfonephthalein, is an acid-base indicator whose useful range as an indicator lies between pH 3.0 and 4.6. It changes from yellow at pH 3.0 to purple at pH 4.6; this reaction is reversible.

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BROMOPHENOL BLUE INDICATOR SOLUTION pH3.0-4.6
Part no. RXSOL-60-6604-104

Description

Bromophenol blue, Tetrabromophenolsulfonephthalein, is an acid-base indicator whose useful range as an indicator lies between pH 3.0 and 4.6.
 It changes from yellow at pH 3.0 to purple at pH 4.6; this reaction is reversible.

Application

Bromophenol Blue is a pH indicator dye that turns yellow under acidic conditions.
 Bromophenol Blue has a pI below pH 4.0. 
The concentrated dye solution may have a reddish or greenish cast to the color.

Notes

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
 May be harmful if swallowed. Inhalation: May cause respiratory tract irritation.

Procedure

The dyes with negative charge are bromophenol blue, orange G and xylene cyanol. ... The comb would be placed near the end of the gel since DNA has a negative charge and will migrate towards the positive electrode only

Other names

BROMOPHENOL BLUE INDICATOR SOLUTION pH3.0-4.6

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