Carolina Biological Supply Company Bromthymol Blue, 0.04% Aqueous, Laboratory Grade, 500 mL

Bromthymol blue is a nonhazardous chemical that is commonly used as a pH indicator in applications that require measuring substances that have a relatively neutral pH. This bromthymol blue is 0.04 percent aqueous and is laboratory grade. Bromthymol blue is ideal for biology experiments involving plants because the solution turns blue as plants use up carbon dioxide and turns yellow when carbon dioxide content increases. This 500 mL of Bromthymol blue is specially made for use in science education laboratories and no certificate of analysis is available.