Pigment Yellow 17
Pigment Yellow 17 is a diarylide yellow with a balanced greenish shade for packaging gravure and flexo inks, registered as C.I. 21105 (CAS 4531-49-1). It combines heat resistance up to 200°C with light fastness 6 on the blue-wool scale, holding its shade through demanding processing. Recommended applications include Printing inks (gravure/flexo), Packaging inks, Paints and coatings, Plastics coloring. Key strengths include good dispersion and processing performance plus bright shade and good color strength.
Key Features
Technical Specifications
| C.I. NO. | 21105 |
| CAS NO. | 4531-49-1 |
| EU NO | 224-867-1 |
| Molecular Formula | C34H30CI2N6O6 |
| Chemical Group | Diarylide |
| Moisture | ≤2.0 |
| Water Soluble Matter | ≤1.5 |
| Electric Conductivity | ≤500 |
| Fineness (80 mesh) | ≤5.0 |
| pH Value | 6.0-7.0 |
Physical Data & Fastness Properties
| Acid Resistance | 6 |
| Alkali Resistance | 8 |
| Alcohol Resistance | 9 |
| Ester Resistance | 10 |
| Benzene Resistance | 8 |
| Soap Resistance | 7 |
| Heat Resistance | 200°C |
| Light Fastness | 6 |
Application Fields
This product is widely used in the following application fields, providing excellent coloring performance and durability:
- 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 260°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
Frequently Asked Questions
What is Pigment Yellow 17 used for?
Pigment Yellow 17 is mainly used for transparent coloring of Printing inks (gravure/flexo), Packaging inks, Paints and coatings, Plastics coloring and other polymers, and can also be used for masterbatch production.
What are the key properties of Pigment Yellow 17?
Pigment Yellow 17 offers a heat resistance of 200°C, and has light fastness rated 6, and has a Diarylide chemical structure.
What is the CAS number of Pigment Yellow 17?
The CAS number of Pigment Yellow 17 is 4531-49-1, and its Colour Index number is C.I. 21105.
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