Table of Contents
- Product Overview
- Specification Comparison
- Key Applications
- Usage Guidelines
- Industry Case Studies
- Contact Supplier
Basic Red 18 (CAS 14097-03-1) Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | C.I. Basic Red 18 |
| CAS Number | 14097-03-1 |
| Molecular Formula | C21H21ClN6O3 |
| Molecular Weight | 464.89 g/mol |
| Appearance | Dark red crystalline powder |
| Solubility | Water: 50 g/L (20°C) |
| pH Stability | 3.0-7.0 |
| Light Fastness | Grade 4-5 |
Comparative Analysis of Commercial Grades
| Brand | Purity | Moisture Content | Heavy Metals |
|---|---|---|---|
| Sigma-Aldrich | ≥98% | ≤0.5% | ≤10ppm |
| Alfa Aesar | ≥97% | ≤1.0% | ≤15ppm |
| TCI America | ≥95% | ≤2.0% | ≤20ppm |
Industrial Applications of Basic Red 18
Textile Dyeing
As cationic dye for acrylic fibers with excellent wash fastness (4-5 ISO scale)
Paper Coloring
Used in specialty papers requiring high color intensity (0.5-1.5% dosage)
Biological Staining
Histological staining with λmax 530nm in aqueous solutions
Optimal Usage Parameters
| Application | Temperature | pH Range | Dye Bath Ratio |
|---|---|---|---|
| Acrylic Dyeing | 98-100°C | 4.5-5.5 | 1:20 |
| Paper Pulp | 40-50°C | 6.0-7.0 | 1:100 |
Verified Application Cases
Case 1: Textile Manufacturer (Guangdong, China)
Challenge: Achieve color consistency across polyester-acrylic blends
Solution: 1.2% Basic Red 18 with modified levelling agent
Result: Reduced dye migration by 38%
Case 2: Specialty Paper Mill (India)
Challenge: Meet EU REACH compliance for packaging materials
Solution: Basic Red 18 at 0.8% dosage with auxiliary agents
Result: Passed ISO 15755 contamination tests
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