Bromocresol Green (CAS 76-60-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Bromocresol Green | Alternative Indicators |
|---|---|---|
| CAS Number | 76-60-8 | Varies by product |
| Molecular Formula | C21H14Br4O5S | – |
| pH Range | 3.8 (yellow) to 5.4 (blue) | Depends on indicator type |
| Sensitivity | 0.04% w/v in ethanol | Typically 0.1-0.5% |
2. Key Applications & Use Cases
2.1 pH Indicator Applications
Widely used in acid-base titrations for precise endpoint detection in pharmaceutical quality control and chemical manufacturing.
2.2 Biochemical Analysis
Essential component in protein electrophoresis and cell culture media preparation for microbial growth monitoring.
3. Industry Applications with Case Studies
3.1 Pharmaceutical Manufacturing
Case Study: Used in batch consistency testing for antacid production, achieving ±0.05 pH accuracy across 500+ batches.
3.2 Environmental Monitoring
Case Study: Deployed in wastewater treatment plants for real-time acidity monitoring with 99.8% detection reliability.
4. Technical Comparison with Alternatives
| Feature | Bromocresol Green | Bromothymol Blue | Phenolphthalein |
|---|---|---|---|
| Optimal pH Range | 3.8-5.4 | 6.0-7.6 | 8.2-10.0 |
| Color Transition | Yellow ↔ Blue | Yellow ↔ Blue | Colorless ↔ Pink |
5. Client Success Stories
5.1 ABC Biotech Solutions
Challenge: Required precise pH monitoring for vaccine stabilizer development
Solution: Custom bromocresol green formulation with enhanced temperature stability
Result: 40% reduction in quality control time
5.2 National Environmental Lab
Challenge: Detection of acidic precipitation in remote monitoring stations
Solution: Long-lasting indicator strips with bromocresol green matrix
Result: 12-month field stability achieved
6. Contact for Custom Solutions
Email: info@vivalr.comPhone: (86) 15866781826
Request formulation sheets, SDS documentation, or bulk pricing quotes.

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