Bromothymol Blue

Bromothymol Blue – pH Indicator for CO₂ & Acid-Base Testing | GLASSWORLD South Africa

Bromothymol blue (BTB) is a highly sensitive pH indicator with a colour transition from yellow (pH 6.0) to blue (pH 7.6), making it ideal for near-neutral pH monitoring, CO₂ detection, and biology experiments. A staple reagent in school, university, and analytical laboratories across South Africa.

• Sensitive near-neutral pH range (6.0–7.6) – yellow to blue colour change
• Widely used in photosynthesis and respiration CO₂ detection experiments
• Aquatic and environmental pH monitoring
• Available as powder or indicator solution

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Product images are for reference only. Actual items may vary slightly. Additional sizes available on request.