Pigment Blue 1
Pigment blue 1 affords clean reddish blue shade, it’s brightness and clean shade can not matched by other pigments, even it’s not stable for popular solvents such as alcohols, ketones, and esters. It’s coloristic properties make it a suitable and widely used colorant for special printing inks.
Key Features
Technical Specifications
| C.I. NO. | 42595:2 |
| CAS NO. | 1325-87-7 |
| EU NO | 215-410-7 |
| Molecular Formula | C33H40N3+ |
| Chemical Group | Triarylcarbonium |
| pH Value | 7.0 |
Physical Data & Fastness Properties
| Acid Resistance | 3 |
| Alkali Resistance | 5 |
| Heat Resistance | 140 |
| Light Fastness | 4 |
Applications
- Printing inks (gravure/flexo/offset)
- Packaging inks
- Plastics coloring (PP/PE/PVC/ABS)
- Masterbatch production
- Industrial coatings
- Textile printing
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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