Solvent Yellow 21 - High-Performance Organic Solvent Dye
Product Description
Solvent Yellow 21 is a bright yellow organic solvent dye with excellent heat resistance and strong coloring properties. It is widely used in plastics, coatings, inks, and petroleum products thanks to its good light fastness and thermal stability.
Clear, vivid yellow shade - ideal for transparent and glossy finishes.
Basic Information
| Item | Details |
|---|---|
| Chemical Name | C.I. Solvent Yellow 21 |
| C.I. Number | 48005 |
| CAS No. | 5601-29-6 |
| Molecular Formula | C18H14N4 |
| Molecular Weight | 286.33 g/mol |
| Appearance | Yellow powder / granules |
| Solubility | Soluble in organic solvents, insoluble in water |
Applications
Plastics coloring (PS, ABS, PMMA, PC, PET, PVC)
Ink (gravure ink, flexo ink)
Wood coatings & industrial coatings
Petroleum products, wax, candles
Aluminum foil and metal decorative coatings
Specifications (Typical Grade)
| Parameter | Specification |
|---|---|
| Purity | ≥ 98% |
| Hue | Bright yellow |
| Heat Resistance | Up to 250°C (polymer dependent) |
| Light Fastness | 4–6 grade |
| Moisture | ≤ 1.0% |
| Particle Size | Customizable (powder/granule) |
📦 Packaging: 10kg / 20kg / 25kg carton or drum
📑 COA, MSDS, TDS available on request
💡 Why Choose Us
Direct factory supply → competitive pricing
Stable quality & batch-to-batch consistency
Professional technical support for coloring formulation
Wide export experience (custom clearance support)
OEM packaging & free samples available
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