Acid Red 249
Chemical Name: Disodium 4-[(2-hydroxy-1-naphthyl)azo]benzene-1,3-disulfonate
C.I. Name: Acid Red 249
C.I. No.: 18080
CAS No.: 6417-83-0
Molecular Formula: C₁₆H₁₀N₂Na₂O₇S₂
Molecular Weight: 468.37
Product Description
Acid Red 249 is a high-quality acid azo dye known for its brilliant bluish-red shade, excellent solubility, and good dyeing performance on protein fibers. It offers vivid, uniform coloration with reliable fastness properties, making it a preferred choice in the textile, leather, and paper industries. This dye performs well under various dyeing conditions and ensures consistent color results.
Main Applications
🧶 Textile dyeing: Suitable for wool, silk, nylon, and polyamide fibers
👜 Leather finishing: Produces rich, bright red tones
📄 Paper coloring: Used for high-brightness red papers
🖋️ Inks & coatings: Ideal for water-based ink and specialty formulations
Typical Specification
| Item | Specification |
|---|---|
| Appearance | Bright red powder |
| Shade | Bluish red |
| Strength | 100% (Standard) |
| Moisture | ≤ 2.0% |
| Insoluble Matter | ≤ 0.5% |
| pH (1% Solution) | 5.0–7.0 |
| Solubility | Excellent in water |
| Light Fastness | 4–5 |
| Washing Fastness | 4–5 |
Packaging: 25 kg bags or drums (custom packaging available)
Shelf Life: 24 months
Storage: Store in a cool, dry, well-ventilated place. Avoid direct sunlight and humidity.
💎 Why Choose Us
Experienced Manufacturer: Specialized in acid dyes with stable production and global export experience.
Guaranteed Quality: Every batch tested for tone, purity, and solubility before shipment.
Flexible Service: Shade matching, technical support, and OEM packaging available.
Fast Delivery: Reliable supply chain ensures timely shipment worldwide.
Competitive Price: Factory-direct sourcing with excellent cost advantage.
WHY CHOOSE US
Q: What's your advantage?
A: We are professional in acid dyes for more than 20 years.
Q: Can you provide samples for free?
A: Sure, we can provide you with small free samples.
Q: What is the leading time when placed an order
A: Usually the goods we sell is in stock, we can delivery it within 3 days
Q: Have you ever exported to America
A: Yes, we have many customers in America
Q: Can you do Micro fine powder?
A: Yes
Hot Tags: acid red 249 cas no. 6417-83-0, China acid red 249 cas no. 6417-83-0 manufacturers, suppliers, factory
