Bromothymol Blue, Powder, >99%

Bromothymol Blue (also known as bromothymol sulfone phthalein, Bromthymol Blue, and BTB) is a chemical indicator for weak acids and bases. In a pH of 6.0 or lower, it is yellow. It changes color between the pH of 6 to 7.6 when it becomes completely blue at the pH 7.6.

Product Specifications

Applications and Benefits:

• Used as a chemical indicator for weak acids and bases.
• Facilitates pH measurement in the range of 6.0 to 7.6.
• High purity powder for accurate scientific applications.
• 1 gram can prepare 10 liters (3 gallons) of indicator solution.

Caution:

This high-purity product requires special procedures for solution preparation. For beginners, a ready-to-use solution (BTB10S) is recommended.