Pigment Yellow 1
Pigment Yellow 1 referred as Hansa Yellow G, its CAS no. is 2512-29-01, an organic pigment affords greenish yellow shade, Mainly used for printing inks.
Key Features
Technical Specifications
| C.I. NO. | 11680 |
| CAS NO. | 2512-29-01 |
| EU NO | 219-730-8 |
| Molecular Formula | C17H16N4O4 |
| Chemical Group | Monoazo Yellow |
| Moisture | ≤2.0 |
| Water Soluble Matter | 25-35 |
| Electric Conductivity | ≤500 |
| Fineness (80 mesh) | ≤5.0 |
| pH Value | 6.0-7.0 |
Physical Data & Fastness Properties
| Acid Resistance | 5 |
| Alkali Resistance | 5 |
| Alcohol Resistance | 5 |
| Ester Resistance | 3 |
| Benzene Resistance | 3 |
| Soap Resistance | 4 |
| Heat Resistance | 140 |
| Light Fastness | 6 |
Applications
- Printing inks (gravure/flexo)
- Packaging inks
- Paints and coatings
- Plastics coloring
- Masterbatch production
Usage Instructions
Recommended dosage: 0.3–3.0% depending on color strength and application. For plastics/masterbatch, pre-disperse with suitable carrier resin and dispersant; for inks/coatings, mill to target fineness. Processing temperature should be controlled below 140°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
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