N,N’-Diphenylbenzidine (CAS 531-91-9) Comprehensive Product Guide
Table of Contents
- 1. Basic Information & Specifications
- 2. Key Applications
- 3. Industrial Case Studies
- 4. Verified Client Implementations
- 5. Technical Consultation & Quotation
1. Basic Information & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 531-91-9 |
| Molecular Formula | C24H20N2 |
| Molecular Weight | 336.43 g/mol |
| Appearance | Gray-brown crystalline powder |
| Melting Point | 246-250°C |
| Purity Grade | ≥98% (HPLC), Technical Grade |
Comparative Analysis
| Supplier | Purity | Packaging | MOQ |
|---|---|---|---|
| Wuhan Circle Star (2025 stock) | 98% | 1kg-100kg | 1kg |
| AMRESCO | 97% | 5g-100g | 5g |
| Zhengzhou Changkuan | 99% | 25kg drum | 1 drum |
2. Key Applications
Core Functional Uses
- Redox Indicator: Critical component in titrations with dichromates/cerium sulfate
- Analytical Reagent: Detection of vanadium, zinc, and nitrites in environmental testing
- Polymer Stabilizer: Prevents oxidative degradation in specialty polymers
- Electrochemical Research: Charge transport studies in organic semiconductors
3. Industrial Case Studies
Water Treatment Optimization
A municipal plant reduced heavy metal analysis time by 40% using N,N’-Diphenylbenzidine-based detection kits, achieving 0.01ppm detection limits for vanadium.
Polymer Manufacturing
Specialty polymer producer extended product shelf life by 18 months through 0.2% w/w additive incorporation, maintaining thermal stability up to 280°C.
4. Verified Client Implementations
Case 1: Advanced Materials Lab
- Application: Organic semiconductor development
- Consumption: 15kg/month (99% purity)
- Result: 12% efficiency improvement in charge mobility
Case 2: Environmental Testing Agency
- Application: Field detection kits
- Consumption: 50kg/quarter (technical grade)
- Result: EPA-compliant detection methodology certification
5. Technical Consultation & Quotation
For bulk pricing (25kg+ quantities) or technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Sample Request Form
| Sample Size | Lead Time | Documentation |
|---|---|---|
| 5g | 3-5 working days | COA, MSDS |
| 100g | 7-10 working days | Full analytical report |



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