Mordant Yellow 1 CAS 584-42-9: High-Quality Mordant Dye for Industrial Applications
Table of Contents
1. Product Overview
Mordant Yellow 1 (CAS 584-42-9) is a sodium salt of 5-nitrosalicylic acid, widely used as a mordant dye. Key specifications include:
- Chemical Formula: C7H4NNaO5
- Molecular Weight: 205.1 g/mol
- Appearance: Yellow to orange crystalline powder
- Solubility: Soluble in water, ethanol, and acetone
- Purity: ≥98% (HPLC)
- Storage: Store in a cool, dry place away from light
2. Key Applications
Mordant Yellow 1 is primarily used in:
- Textile Industry: For dyeing wool, silk, and nylon fabrics with enhanced color fastness.
- Leather Processing: As a mordant dye for leather products to achieve vibrant, long-lasting hues.
- Laboratory Use: As a pH indicator and metal ion detection reagent in analytical chemistry.
3. Usage Guidelines
- Preparation: Dissolve 1-2% (w/w) Mordant Yellow 1 in distilled water at 60-80°C.
- Mordant Application: Pre-treat materials with metal salts (e.g., aluminum, chromium) to improve dye adhesion.
- Dyeing Process: Immerse substrate in the dye bath for 30-60 minutes at 80-90°C.
- Post-Treatment: Rinse thoroughly and apply fixing agents for optimal color retention.
Safety: Wear PPE (gloves, goggles) and ensure proper ventilation during handling.
4. Detailed Use Cases
Case 1: Cotton Fabric Dyeing
A textile manufacturer achieved consistent yellow shades on cotton by:
- Pre-treating fabric with 5% aluminum sulfate mordant
- Dyeing at 85°C for 45 minutes with 1.5% Mordant Yellow 1
- Post-treating with acetic acid for improved fastness
Case 2: Leather Goods Coloring
A tannery enhanced leather durability using:
- Chrome mordant (3% solution)
- 2% Mordant Yellow 1 dye bath at pH 4.5-5.5
- Fat liquoring post-treatment
5. Contact Information
For technical inquiries or bulk orders:
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