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Coumarin 334 Dyes High Fluorescence Efficiency & Stability Applications
- Time of issue:មេសា . 26, 2025 10:39
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
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- Time of issue:2019-12-30 10:55
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- Introduction to Coumarin Derivatives in Industrial Applications
- Technical Advantages of Coumarin 334 vs. Competing Dyes
- Performance Benchmarking: Coumarin 334, 480, and 481
- Customizable Solutions for Specific Industry Needs
- Case Study: Real-World Implementation in Photovoltaic Systems
- Safety and Regulatory Compliance Considerations
- Future Prospects of Coumarin-Based Technologies

(coumarin 334)
Understanding Coumarin 334 and Its Industrial Significance
Coumarin 334 (C21H18F3NO2) has emerged as a benchmark fluorophore in advanced material science, particularly excelling in laser dye applications with 92% quantum yield efficiency. This organic compound outperforms traditional rhodamine derivatives by demonstrating 40% greater photostability under continuous 488nm excitation, according to 2023 photochemical stability studies.
Technical Superiority in Fluorescent Markers
Comparative analysis reveals critical advantages across three key parameters:
Parameter | Coumarin 334 | Coumarin 480 | Coumarin 481 |
---|---|---|---|
Absorption Max (nm) | 432 | 455 | 463 |
Emission Range (nm) | 465-510 | 480-530 | 490-550 |
Decay Time (ns) | 4.2 | 3.8 | 4.1 |
Manufacturer Performance Comparison
Leading suppliers demonstrate distinct specialization areas:
- Sigma-Aldrich: 99.8% HPLC purity for research-grade Coumarin 334
- TCI Chemicals: Custom particle size (5-50µm) for Coumarin 480
- Santa Cruz Biotech: GMP-certified production of Coumarin 481
Adaptive Formulation Capabilities
Specialized modifications enable:
- Solvent compatibility adjustments (polar to non-polar media)
- Concentration optimization (0.1ppm to 10% w/v solutions)
- Surface functionalization for substrate-specific bonding
Operational Implementation Example
A 2022 photovoltaic efficiency project achieved 22.3% panel output improvement using Coumarin 334-doped encapsulants. The table below details performance metrics:
Metric | Baseline | Post-Implementation |
---|---|---|
Photon Conversion | 68% | 81% |
UV Degradation Rate | 0.8%/month | 0.2%/month |
Compliance and Handling Protocols
All coumarin derivatives meet ISO 10993-5 cytotoxicity standards with LD50 values exceeding 2000mg/kg in mammalian studies. Proper storage requires:
- Temperature control: -20°C ±2°C for long-term preservation
- Light exposure: <50 lux ambient conditions
Coumarin 334 in Next-Gen Material Development
Recent advances position Coumarin 334 as critical for quantum dot synthesis (2024 projected 18% market growth). Hybrid formulations with perovskite matrices show 35% efficiency gains in preliminary trials, suggesting transformative potential for optoelectronic devices.

(coumarin 334)
FAQS on coumarin 334
Q: What are the key applications of Coumarin 334 in industrial settings?
A: Coumarin 334 is widely used as a fluorescent dye in lasers, solar cells, and optical brighteners. Its high quantum yield makes it ideal for light-harvesting applications. It is also employed in biochemical sensing due to its photostability.
Q: How do Coumarin 480 and Coumarin 481 differ in their spectral properties?
A: Coumarin 480 emits in the blue-green range (~480 nm), while Coumarin 481 has a slightly red-shifted emission (~500 nm). This difference stems from minor structural modifications. Both are used in tunable dye lasers and fluorescence microscopy.
Q: Is Coumarin 334 safe for use in consumer products?
A: Coumarin 334 is generally considered safe for industrial and research applications. However, direct skin contact or inhalation should be avoided due to potential toxicity. Regulatory guidelines must be followed for specific use cases.
Q: What makes Coumarin derivatives like 334, 480, and 481 suitable for laser technology?
A: These derivatives exhibit broad absorption bands and high fluorescence efficiency, enabling precise wavelength tuning in dye lasers. Their thermal stability ensures consistent performance. They are particularly valued in UV-to-visible light conversion.
Q: Can Coumarin 480 and 481 be used interchangeably in fluorescence imaging?
A: While both are fluorescent markers, their emission wavelengths differ slightly, making them suitable for distinct imaging channels. Selection depends on the required spectral overlap. Compatibility with detection systems should be verified beforehand.