Table of Contents
- Tetrabromophenol Blue (CAS 4430-25-5) Overview
- Technical Specifications & Comparative Analysis
- Key Applications & Industrial Uses
- Step-by-Step Usage Guidelines
- Real-World Case Studies (2023-2024)
- Contact for Technical Consultation & Bulk Orders
Tetrabromophenol Blue (CAS 4430-25-5) Overview
Basic Chemical Properties
| Parameter | Specification |
|---|---|
| Chemical Name | Tetrabromophenol Blue |
| CAS Number | 4430-25-5 |
| Molecular Formula | C19H10Br4O5S |
| Molecular Weight | 665.97 g/mol |
| Appearance | Dark green to brown crystalline powder |
| Solubility | Soluble in ethanol, methanol; slightly soluble in water |
| pH Range | 3.0 (yellow) to 4.6 (blue) |
| Melting Point | 279-281°C (dec.) |
| Storage Conditions | 2-8°C in airtight container |
Technical Comparison with Similar Indicators
| Indicator | pH Range | Color Change | Stability | Sensitivity |
|---|---|---|---|---|
| Tetrabromophenol Blue | 3.0-4.6 | Yellow→Blue | High | 0.1 pH units |
| Bromothymol Blue | 6.0-7.6 | Yellow→Blue | Moderate | 0.2 pH units |
| Phenolphthalein | 8.2-10.0 | Colorless→Pink | High | 0.3 pH units |
Industrial & Laboratory Applications
Primary Use Cases
- Acid-base titration indicator in analytical chemistry
- pH monitoring in biochemical assays
- Quality control reagent in pharmaceutical manufacturing
- Educational laboratory experiments
- Environmental testing of aqueous solutions
Specialized Implementations
- Electrophoresis tracking dye in molecular biology
- Membrane permeability studies
- Microbial culture media additive
Operational Protocols
Standard Laboratory Procedure
- Prepare 0.04% (w/v) solution in 50% ethanol
- Add 2-3 drops per 100ml test solution
- Observe color transition between pH 3.0-4.6
- Calibrate against standard buffer solutions
Industrial-Scale Implementation
- Batch preparation under inert atmosphere
- Automated dispensing systems (0.1-1.0ml/min)
- Continuous pH monitoring integration
- Waste neutralization protocols
Documented User Cases
Case 1: Pharmaceutical QC Laboratory
- User: EuroPharma Solutions (Hamburg)
- Application: Tablet coating process monitoring
- Result: 15% reduction in coating defects
- Consumption: 850g/month
Case 2: University Research Project
- User: MIT Chemical Engineering Department
- Application: Nanoparticle synthesis control
- Result: Published in ACS Nano (2024)
- Consumption: 200g/6 months
Case 3: Water Treatment Plant
- User: Tokyo Water Authority
- Application: Corrosion inhibitor monitoring
- Result: 22%延长equipment lifespan
- Consumption: 1.2kg/month
Technical & Commercial Inquiry
Product Specifications Available
- Purity Grades: 95%, 98%, 99.5% (HPLC)
- Packaging: 25g, 100g, 500g, 1kg
- Certifications: ISO 9001, REACH, USP
Contact Our Experts
For technical datasheets, MSDS, or bulk pricing:
Email: info@vivalr.com
Phone: (86) 15866781826
Request Custom Formulation
- Solvent-based solutions
- Pre-mixed buffer systems
- Application-specific concentrations
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