Pigment Orange 34
Pigment Orange 34 is an organic pigment, chemically classified as a bisazolopyrazolone. Identification information: Color Index (C.I.) 21115, CAS number 15793-72-4. Key performance: Heat resistance 280°C, light fastness 7. Commercial types distribute from particle size distributions.
Key Features
Technical Specifications
| C.I. NO. | 21115 |
| CAS NO. | 15793-72-4 |
| EU NO | 239-898-6 |
| Molecular Formula | C34H28CI2N8O2 |
| Chemical Group | Disazo Pyrazolone |
| 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 | 10 |
| Alkali Resistance | 8 |
| Alcohol Resistance | 6 |
| Ester Resistance | 10 |
| Benzene Resistance | 10 |
| Soap Resistance | 8 |
| Heat Resistance | 280°C |
| Light Fastness | 7 |
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 280°C (system dependent). Ensure good ventilation and use appropriate PPE. Store sealed in a cool, dry place.
Related Products
You may also be interested in these products
Pigment Black 32
Pigment Black 32 affords greenish black shade and exhibits very high standard of fastness properties. Primarily used for variety coatings.
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.
Pigment Blue 10
Pigment blue 10 affords very reddish blue shade used for printing inks.
Pigment Blue 14
Pigment Blue 14 affords reddish blue shade used for printing inks.