PIGMENT YELLOW 150/ HP YELLOW 1541S
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Technical Information
What Is PY150 / HP YELLOW 1541S
PY150 / HP YELLOW 1541S, with CAS number 61036-28-0 and CI 12764, is a monoazo nickel complex yellow pigment characterized by a greenish-yellow shade. This pigment offers good lightfastness, achieving a Blue Wool scale rating of 7 for its class. It is heat stable up to 200°C and demonstrates excellent migration resistance, making it suitable for demanding industrial coatings and plastics. The metal complex structure enhances durability compared to standard monoazo yellows, providing longer-lasting color performance.
Why Choose HP YELLOW 1541S
This specific grade is engineered for solvent-based inkjet inks, offering superior solubility and dispersion stability in organic solvent systems. The nickel complex structure ensures consistent jetting performance and prevents nozzle clogging, critical for high-resolution printing. Compared to other monoazo yellows, HP YELLOW 1541S exhibits enhanced chemical resistance and thermal stability, allowing it to withstand the drying and curing processes common in industrial inkjet applications. When measured against its siblings, this grade delivers deeper chromatic strength and improved adhesion to non-porous substrates like plastics and coated metals. Its ability to maintain color integrity under UV exposure and high temperatures makes it the preferred choice for outdoor signage and durable packaging prints where standard yellows would fade or bleed.
Key Features
- Monoazo nickel complex chemistry delivers enhanced durability and weather resistance over conventional monoazo yellow pigments.
- Heat stable to 200°C with excellent migration resistance, preventing color shift or bleeding in multilayer coatings and plastics.
- Offers outstanding lightfastness (Blue Wool 7) for vibrant greenish-yellow shades in long-life industrial applications.
- Specifically optimized for solvent-based inkjet inks, ensuring optimal viscosity, particle dispersion, and reliable printhead performance.
- Provides superior color strength and transparency while maintaining high solubility in polar organic solvent systems.
C.I.NO.: PY150
Advantage:
Main Application Recommended: Solvent based inkjet inks
Products Description -PY150
HP YELLOW 1541S (PIGMENT YELLOW 150) is mainly used in solvent based inkjet inks. It exhibits good heat stability and also good lightfastness and weatherfastness.
Recommended Application：
Coatings: solvent based paints, water based paints, industrial coatings, powder coatings, coil coatings, auto paints, wood coatings
Plastics: PP, PE, PVC, PET
Printing inks: solvent based inks, water based inks, inkjet inks
Technical Data:
| Product Information | ||||
|---|---|---|---|---|
| Chemical Type | Azo/nickel complex | CAS NO. | 68511-62-6 | |
| C. I. Name | Pigment Yellow 150 | EINECS / ELINCS NO. | 270-944-8 | |
| C. I. Constitution No. | 12764 | Chemical Formula | C8H6N6O6Ni | |
| Technical Performance | ||||
|---|---|---|---|---|
| Full Shade | Tint | |||
| Full Shade | Tint | |||
| Weather Resistance | 5 | 5 | Heat Stability °C | 200°C |
| Light Fastness | 8 | 8 | ||
| Physical Properties | ||||
|---|---|---|---|---|
| Physical Form | Powder | Bleeding in Xylene | 5 | |
| Specific Density (g/cm3): | 1.70 ± 0.1 | Bleeding in Methyl Ethyl Ketone | 5 | |
| Specific Surface(㎡/g): | 70 | Bleeding in Ethyl Acetate | 5 | |
| Oil Absorption | 50 ± 10 | Bleeding in Cellosolve | 5 | |
| pH Value | 6.0 -8.0 | Bleeding in Mineral Turpentine | 5 | |
| Volatile Matter | 1% max | Resistance to Acid | 5 | |
| Resistance to Alkali | 5 | |||
| Packaging | ||||
|---|---|---|---|---|
| 25kgs/bag 500kgs/Pallet | ||||
| Storage Shelf Life 5 years | ||||
| Should be stored in cool, dry and ventilate place. |
| TRANSPORTATION | ||||
|---|---|---|---|---|
| Avoid inversion, sunlight, moisture and crash. Avoid damage the package. |
- Light fastness: Light fastness rating is assessed on 1 to 8 Blue Wool scale where 1 = ‘Poor’ and 8 = ‘Excellent’.
- Heat Stability: Heat stability values given indicate the maximum temperature at which the pigment can be stoved for 10 min. on the full shade and in reductions without undergoing any significant change in shade.
- Oil absorption: The oil absorption is determined on the basis of EN ISO 787-5 and given in g linseed oil per 100 gm. pigment.
- Solvent bleeding: The bleeding in solvents is tested using the powder grades and the visual rating given on 1 to 5 Grey scale
where 1 = ‘Heavy bleeding’ and 5 = ‘No bleeding”
Technical Note — The data and recommendations provided are based on HONOR Pigment’s internal testing and manufacturing experience. They are offered in good faith to assist customers in evaluating product suitability for their specific applications. As processing conditions, formulations, and end-use requirements vary widely, customers should conduct their own validation under actual use conditions. HONOR Pigment makes no warranties, express or implied, regarding the accuracy of this information or its fitness for any particular purpose. Nothing herein shall be construed as a license or recommendation to infringe any patent. HONOR Pigment’s standard terms and conditions of sale apply.oduct contains particles < 0.1 μm. Any user of this product is responsible for determining the suitability of Honor Pigments’s products for its particular application & to ensure that any proprietary rights & existing laws & legislation are observed.
Why Choose Honor Pigments?
- 🌍 Global Export Expertise — Trusted by customers in 40+ countries for consistent quality and reliable supply
- ✅ Strict Quality Control — ISO 9001 certified with batch-to-batch consistency and zero-defect policy
- 💰 OEM Production Advantage — Competitive pricing without compromising pigment performance
- 🧪 Technical Support — Free color matching, formulation advice and sample testing before bulk order
Frequently Asked Questions About PY150 / HP Yellow 1541S
What is the primary application fit for HP Yellow 1541S?
HP Yellow 1541S (CAS 61036-28-0, CI 12764) is specifically designed for solvent-based inkjet inks used in large-format and industrial printing. It excels in outdoor signage, vehicle wraps, and banner production where solvent systems are preferred for their durability and adhesion to non-porous substrates like vinyl and PVC. Its chemical structure offers excellent solubility in common solvents such as ketones (e.g., cyclohexanone) and glycol ethers, ensuring stable jetting without nozzle clogging. This pigment yellow provides a bright, clean hue ideal for CMYK color gamuts, maintaining high transparency for vibrant overprints. Its formulation targets high-speed production environments where consistent drop formation and rapid drying are critical.
What are the performance limits of PY150 in solvent inks?
While HP Yellow 1541S delivers strong lightfastness and weather resistance, its performance limits include lower heat stability above 180°C, making it unsuitable for sublimation or high-temperature curing processes. In aggressive solvent formulations with very high ester content (>50%), dispersant optimization is required to prevent flocculation. The pigment also shows reduced opacity on dark substrates, requiring a white base layer for maximum impact. Its migration resistance is moderate; avoid use in food-contact or low-migration applications. Additionally, prolonged exposure to extreme UV environments may cause slight shade shifts after 3-5 years. For maximum durability, pair with UV stabilizers and avoid excessive dilution below 50% pigment loading.
How does HP Yellow 1541S compare to its sibling PY138?
Compared to PY138 (Pigment Yellow 138), HP Yellow 1541S offers a greener shade with higher chroma—ideal for matching vibrant safety yellows or signal colors. PY138 leans redder and has slightly better opacity, making it preferable for spot color layers. However, PY150 excels in transparency, enabling cleaner color mixing for expansive CMYK gamuts, especially in overlapping blues and greens. Cost-wise, PY150 is typically more economical at similar loadings. Both exhibit comparable solvent resistance, but PY150 shows superior dispersion stability in methyl ethyl ketone (MEK)-based systems. Choose PY150 for high-clarity overlays; choose PY138 when hiding power or reddish tones are prioritize.
What processing considerations are critical for PY150 ink premixes?
When processing HP Yellow 1541S, pre-wet the pigment with a small amount of solvent (e.g., 10% of total liquid) before adding dispersant to prevent dusting and agglomeration. Use high-shear milling (bead mill with 0.6-1.0 mm zirconia beads) for 30-45 minutes at 2000-3000 RPM to achieve a d50 particle size of 0.1-0.3 microns, critical for nozzle reliability. Avoid over-dispersion beyond 60 minutes to prevent re-agglomeration. Monitor viscosity closely: optimal range is 8-15 cP at 25°C for piezo printheads. Filter through a 1-micron absolute filter after milling to remove oversized particles. Always test press temperature; some solvent formulations thicken at lower temperatures, requiring heated printhead zones.
How should PY150 be stored, and can it substitute other pigment yellows?
Store HP Yellow 1541S in tightly sealed, opaque containers at 15-30°C in a dry, ventilated area away from oxidizers. Avoid moisture absorption, as wet pigment can cause nozzle corrosion in solvent inks. Shelf life is 24 months when unopened—beyond that, re-test for dispersion quality. As a substitute, PY150 can replace PY155 (drier shade) or PY180 (more opaque) in solvent systems, but adjust color matching due to differing color strengths (PY150 is 10-15% stronger than PY155). It cannot directly replace PY128 or PY139, which require different solvents. Always conduct a 50-print test to confirm adhesion and lightfastness. For eco-solvent formulations, reduce solvent strength by 5-10% to maintain compatibility.
HP Yellow 1541S Takeaway: This PY150 pigment is your go-to for high-speed solvent inkjet needs—offering brilliant, transparent yellow with excellent solvent compatibility. Perfect for outdoor signage and wraps, it delivers reliable jetting and weather resistance. Just mind its limits: avoid extreme heat, pair with UV stabilizers for longevity, and optimize dispersion for best performance. When you need a clean, cost-effective yellow that pops on vinyl, HP Yellow 1541S is a solid, trusted choice.
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