Pigment Yellow 183
Pigment Yellow 183 is a calcium benzimidazolone-type monoazo yellow with very good fastness for plastics and coatings, registered as C.I. 18792 (CAS 65212-77-3). Heat stability reaches 300°C in plastics systems while light fastness is rated 7-8, keeping colour integrity under outdoor exposure. Typical end uses span Automotive OEM/refinish coatings, Powder coatings, Printing inks (gravure/flexo), Packaging inks.
Key Features
Technical Specifications
| C.I. NO. | 18792 |
| CAS NO. | 65212-77-3 |
| EU NO | 265-634-4 |
| Molecular Formula | C16H10CI2N4O7S2Ca |
| Chemical Group | Monoazo Yellow, Ca |
Physical Data & Fastness Properties
| Acid Resistance | 6 |
| Alkali Resistance | 7 |
| Heat Resistance | 300°C |
| Light Fastness | 7-8 |
Application Fields
This product is widely used in the following application fields, providing excellent coloring performance and durability:
- Automotive OEM/refinish coatings
- Powder coatings
- Printing inks (gravure/flexo)
- Packaging inks
- Paints and coatings
- Plastics coloring
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 300°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
Frequently Asked Questions
What is Pigment Yellow 183 used for?
Pigment Yellow 183 is mainly used for transparent coloring of Automotive OEM/refinish coatings, Powder coatings, Printing inks (gravure/flexo), Packaging inks and other polymers, and can also be used for masterbatch production.
What are the key properties of Pigment Yellow 183?
Pigment Yellow 183 offers a heat resistance of 300°C, and has light fastness rated 7-8, and has a Monoazo Yellow, Ca chemical structure.
What is the CAS number of Pigment Yellow 183?
The CAS number of Pigment Yellow 183 is 65212-77-3, and its Colour Index number is C.I. 18792.
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