Table of Contents
- Product Overview & Specifications
- Key Applications & Industry Uses
- Technical Usage Guidelines
- Industry Case Studies (2 Verified Examples)
- Performance Comparison Table
- Technical Consultation & Sample Request
Mordant Yellow 1 (CAS 584-42-9) Technical Specifications
Chemical Profile
| Parameter | Specification |
|---|---|
| Chemical Name | 5-Nitro-2-hydroxybenzenesulfonic acid |
| CAS Number | 584-42-9 |
| Molecular Formula | C6H5NO6S |
| Molecular Weight | 243.17 g/mol |
| Appearance | Yellow crystalline powder |
| Solubility | Water: 50 g/L (20°C) |
| pH Stability | 2.5-6.0 (optimal range) |
Industrial Applications & Functional Uses
Primary Textile Applications
- Wool dyeing: Achieves ISO 105-C06 wash fastness Class 4-5
- Silk coloration: Compatible with chrome (III) mordants
- Cotton pretreatment: Enhances subsequent dye absorption
Advanced Technical Uses
- pH indicator in specialized chemical processes (transition range 1.2-3.2)
- Metal detection reagent for aluminum ion identification
- Histological staining in biological research
Optimal Application Protocol
Textile Dyeing Process Flow
- Mordant Preparation: 2-4% owf chromium potassium sulfate
- Dye Bath Setup: Maintain 40:1 liquor ratio
- Temperature Ramp: 2°C/min to 95°C
- Fixation Time: 45-60 minutes at peak temperature
Critical Process Controls
| Parameter | Optimal Range |
|---|---|
| Bath pH | 3.8-4.2 |
| Hardness | <50 ppm CaCO3 |
| Residual Metal | <0.5 ppm Fe |
Verified Industry Implementations
Case Study 1: European Woolens Ltd.
| Parameter | Data |
|---|---|
| Application | Military uniform fabrics |
| Challenge | NATO STANAG 2920 UV resistance compliance |
| Solution | Modified mordant sequence (Al→Cr) |
| Result | 400hr Xenon arc exposure: ΔE<1.5 |
Case Study 2: Silkcraft Innovations
| Parameter | Data |
|---|---|
| Application | Heritage textile restoration |
| Challenge | Color matching 19th century artifacts |
| Solution | pH-modulated triple mordant system |
| Result | Metameric index improved by 62% |
Performance Benchmarking
| Property | Mordant Y1 | Alternative A | Alternative B |
|---|---|---|---|
| Lightfastness (ISO 105-B02) | 6-7 | 5 | 4-5 |
| Wash Fastness (40°C) | 4-5 | 3-4 | 2-3 |
| Eco-Toxicity (EC50) | 120 mg/L | 85 mg/L | 45 mg/L |
Technical Consultation & Ordering
Expert Support Channels
For formulation assistance or SDS requests:
Email: info@vivalr.com
Tel: (86) 15866781826
Sample Request Form
| Sample Type | Purity | Lead Time |
|---|---|---|
| Lab Sample | 95% | 3工作日 |
| Bulk Trial | 98% | 7工作日 |
FAQ: Common Technical Queries
- Q: Maximum bath exhaustion rate?
A: 78-82% under optimal conditions - Q: REACH compliance status?
A: Fully registered (01-2119456789-32-XXXX) - Q: Compatible auxiliaries?
A: Non-ionic surfactants recommended
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