Bromophenol Blue (CAS 115-39-9): Comprehensive Product Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Bromophenol Blue |
|---|---|
| CAS Number | 115-39-9 |
| Molecular Formula | C19H10Br4O5S |
| Molecular Weight | 669.96 g/mol |
| Appearance | Light yellow to brown-yellow powder |
| pH Range | 3.0 (yellow) → 4.6 (blue-purple) |
| Melting Point | 273°C (decomposition) |
| Solubility | Methanol, ethanol, NaOH solutions; limited in water (0.4g/100ml) |
2. Key Applications & Uses
Core Functionalities:
- pH Indicator: Critical for titration processes in acidic-to-neutral transitions
- Biochemical Staining: Tracking dye in DNA/RNA electrophoresis (0.1% ethanol solution)
- Pharmaceutical QC: USP/EP compliance testing for drug formulations
- Virology Research: Viral load quantification in diagnostic assays
3. Technical Performance & pH Range
| Concentration | Solution Type | Optimal Use Case |
|---|---|---|
| 0.04% w/v | Ethanol (50%) | Standard lab titrations |
| 0.1% w/v | Aqueous buffer | Electrophoresis tracking |
4. Operational Guidelines
Storage Protocols:
- Temperature: 15-25°C in sealed container
- Incompatibilities: Separate from strong oxidizers
Safety Compliance:
- PPE Requirements: Lab coat, nitrile gloves, eye protection
- Spill Management: Absorb with inert material, ventilate area
5. Industry Case Studies
Case 1: Diagnostic Reagent Production
Client: Shanghai Yuanye Bio-Technology
Application: Viral detection kits for hepatitis B
Outcome: 30% improvement in test sensitivity
Case 2: Pharmaceutical Formulation
Client: Dongguan Qiaoke Chemical
Application: QC testing for antibiotic pH stability
Outcome: Achieved 99.8% batch consistency
6. Contact for Technical Support
For bulk orders or technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
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