C21H14Br4O5S Bromocresol Green CAS 76-60-8 Cell Biological Stains Acid Base Indicators

Chemical Reagents Bromocresol Green CAS 76-60-8 Cell Stains Biological Stains Acid-base Indicators

Introduction:

Bromocresol green is also known as 3,3',5,5'-tetrabromo-m-cresolsulfonylphthalide and γ-Sultone. It is precipitated from acetic acid as fine light yellow crystals. Relative molecular weight 698.05. Melting point 218-219℃. It is very sensitive to alkali and shows a special blue-green color when it encounters alkaline aqueous solution. Bromocresol green can be used as an indicator. It is yellow when pH=3.8 and blue-green when pH=5.4.

Uses:

Used as cell stain, acid-base indicator, pH color change range 3.8 (yellow) ~ 5.4 (blue-green).

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