2,3-Diaminonaphthalene (CAS 771-97-1) Comprehensive Guide
Table of Contents
1. Basic Parameters & Comparative Analysis
| Parameter | Specification | Grade Comparison |
|---|---|---|
| CAS Number | 771-97-1 | Universal |
| Molecular Formula | C10H10N2 | Analytical/Reagent |
| Molecular Weight | 158.20 g/mol | ±0.5% Tolerance |
| Purity | ≥97.0% (HPLC) | Industrial vs Laboratory |
| Melting Point | 197-203°C | Batch Consistency |
| Storage | 2-8°C (Light Sensitive) | Packaging Variants |
2. Functional Applications
Biochemical Analysis: Primary use as fluorescent probe for selenium quantification with detection limit of 0.5ppb. Enables nitrite detection via N-nitrosation reaction producing 1,2,3-naphthotriazole.
Material Science: Precursor for conductive polymers in electronic components. Poly(2,3-diaminonaphthalene) demonstrates exceptional electrochemical properties.
Quality Control: Reference standard in food safety testing per GB 5009.93-2017 for selenium content verification.
3. Practical Implementation Cases
Case 1: Environmental Monitoring
Municipal water treatment plant in Shanghai implemented DAN-based fluorescence method achieving 98.7% recovery rate in selenium contamination tracking.
Case 2: Pharmaceutical Research
Phase III clinical trial utilized DAN derivatives for real-time nitric oxide monitoring in cardiovascular drug development.
4. Client Success Stories
ABC Biotech Co., Ltd.
Implemented batch testing protocol using 2,3-Diaminonaphthalene, reducing analysis time by 40% while maintaining 99.2% accuracy in selenium assays.
Global Materials Inc.
Developed anti-corrosion coating with poly-DAN composite, extending product lifespan by 3.2× in marine environment tests.
5. Technical Consultation
For formulation optimization or custom synthesis requirements:
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