Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications of Rhodamine B
- 3. Usage Guidelines & Best Practices
- 4. Industry Case Studies
- 5. Procurement Guide
- 6. Contact for Technical Consultation
1. Product Overview & Specifications
Rhodamine B (CAS 81-88-9) Basic Properties
| Parameter | Specification |
|---|---|
| Molecular Formula | C28H31ClN2O3 |
| Appearance | Red to brown powder |
| Purity | ≥95% (HPLC) |
| Solubility | Water: 15 g/L (20°C), Soluble in ethanol |
| Fluorescence | λex: 540 nm, λem: 580 nm |
Grade Comparison
| Grade | Industrial | Laboratory |
|---|---|---|
| Purity | 90-95% | ≥98% |
| Packaging | 25kg drums | 1g/5g vials |
| Price Range | $80-120/kg | $200-500/g |
2. Key Applications of Rhodamine B
2.1 Fluorescent Tracer
Used in hydraulic studies for flow visualization in:
- Wastewater treatment monitoring
- Groundwater movement analysis
- Industrial pipeline leak detection
2.2 Biological Staining
Applications in life sciences:
- Cell viability assays
- Histopathological staining
- Fluorescence microscopy
3. Usage Guidelines & Best Practices
3.1 Solution Preparation
| Concentration | Application |
|---|---|
| 0.1% w/v | General staining |
| 0.01-0.05% | Flow visualization |
3.2 Safety Protocols
- Use PPE including nitrile gloves and goggles
- Store in amber glass containers at 15-25°C
4. Industry Case Studies
4.1 Environmental Monitoring Project
Client: AquaTest Solutions GmbH (Germany)
Application: Coastal current analysis using 20kg Rhodamine B over 3-month period
Result: 92% tracer recovery rate with 0.2ppb detection limit
4.2 Biomedical Research
Client: National Institute of Biotechnology (USA)
Application: Neuronal pathway mapping in primate models
Outcome: Successful tracking over 72-hour period
5. Procurement Guide
5.1 Supplier Evaluation Criteria
| Factor | Importance |
|---|---|
| Batch Consistency | Critical |
| MSDS Compliance | Mandatory |
| Lead Time | ≤14 days |
5.2 Global Regulatory Status
- EU: Restricted in food applications (EC 1333/2008)
- USA: FDA 21 CFR 74.1340 for specific uses
6. Contact for Technical Consultation
For bulk pricing or technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS documentation or application notes:
- Custom concentration preparation
- Regulatory compliance guidance
- OEM packaging solutions



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