PIGMENT YELLOW 150/ HP YELLOW 1541J

What Is PY150 / HP YELLOW 1541J

PY150 / HP YELLOW 1541J is a monoazo nickel complex yellow pigment with CAS number 61036-28-0 and CI 12764. It exhibits a greenish-yellow shade and offers good lightfastness, rating 7 on the Blue Wool scale for its class. This heat-stable pigment performs reliably up to 200°C and provides good migration resistance. It is commonly used in industrial coatings and plastics, and its metal complex structure makes it more durable than standard monoazo yellows.

Why Choose HP YELLOW 1541J

This specific grade of PY150 is optimized for water-based inkjet ink applications. HP YELLOW 1541J delivers an excellent balance of heat stability, lightfastness, and weatherfastness, ensuring printed images maintain color integrity under demanding conditions. The metal complex structure gives it superior durability over conventional monoazo yellows, making it ideal for applications requiring long-term performance. For water-based inkjet inks, its fine particle dispersion and low ionic impurity levels ensure reliable jetting and consistent output without clogging. Since there are no sibling grades available, this formulation provides a unique, targeted solution for inkjet manufacturers seeking a robust yellow pigment that withstands thermal stress during drying and curing processes while retaining vivid greenish-yellow color strength.

Key Features

• Heat stable up to 200°C, enabling use in high-temperature inkjet drying processes.
• Good lightfastness (7 Blue Wool scale) ensures long-lasting vibrancy in printed materials.
• Superior weatherfastness compared to standard monoazo yellows due to its nickel complex structure.
• Excellent migration resistance prevents color bleeding or fading in multilayer coatings and plastics.
• Optimized for water-based inkjet inks, providing stable dispersion and reliable jetting performance.

What Is PY150 / HP YELLOW 1541J

CAS 61036-28-0, CI 12764, PY150/HP YELLOW 1541J is a monoazo nickel complex yellow pigment. It exhibits a greenish-yellow shade and is classified as a Monoazo complex type. Known for its durability, this pigment offers good lightfastness (7 Blue Wool scale) and heat stability up to 200°C. Its migration resistance makes it suitable for industrial coatings and plastics, while the metal complex structure provides superior performance over standard monoazo yellows.

Why Choose HP YELLOW 1541J

This specific grade is optimized for water-based inkjet inks, excelling in applications requiring consistent jetting and color vibrancy. Its key advantage lies in combining good heat stability with excellent lightfastness and weatherfastness, ensuring printed outputs resist fading under UV exposure and environmental stress. Unlike many yellows that sacrifice thermal tolerance for color strength, HP YELLOW 1541J maintains stable dispersion at elevated temperatures, preventing nozzle clogging during prolonged printer use. With no sibling grades available, this pigment stands alone as a dedicated solution for aqueous inkjet systems, offering a rare balance of process compatibility and long-term durability. For manufacturers seeking a yellow pigment that withstands both heat and light without migration issues, this grade delivers reliable, reproducible results in industrial and commercial ink formulations.

Key Features

• Monoazo nickel complex structure provides enhanced durability over standard monoazo yellows.
• Excellent lightfastness rated at 7 Blue Wool scale for long-lasting color retention.
• Heat stable up to 200°C, enabling reliable performance in thermal inkjet processes.
• Good migration resistance prevents color bleeding and maintains print sharpness in industrial coatings.
• Optimized for water-based inkjet inks, offering superior dispersion and jetting stability.

What Is PY150 / HP YELLOW 1541J

PY150 / HP YELLOW 1541J, with CAS number 61036-28-0 and CI 12764, is a monoazo nickel complex pigment that produces a greenish-yellow shade. This pigment offers good lightfastness, rated at 7 on the Blue Wool scale, which is excellent for its class. It is heat stable up to 200°C and demonstrates good migration resistance, making it suitable for industrial coatings and plastics. The metal complex structure provides enhanced durability compared to standard monoazo yellows.

Why Choose HP YELLOW 1541J

HP YELLOW 1541J offers a distinct advantage in water-based inkjet inks due to its exceptional heat stability combined with strong lightfastness and weatherfastness. This grade is specifically optimized for aqueous ink systems, ensuring consistent dispersion and reliable jetting performance without nozzle clogging. The pigment’s robust chemical structure maintains color integrity under prolonged UV exposure and high-temperature drying processes common in inkjet printing. Compared to its siblings in the monoazo family, HP YELLOW 1541J exhibits superior bleed resistance and color vibrancy when printed on coated media. For water-based inkjet inks, this pigment provides the durability needed for long-lasting prints while retaining the bright, greenish-yellow hue required for high-quality graphics. Its metal complex formulation also enhances stability against pH variations, a common challenge in inkjet ink manufacturing.

Key Features

• PY150/HP YELLOW 1541J is a monoazo nickel complex pigment with a greenish-yellow shade and good lightfastness at 7 Blue Wool.
• This pigment maintains thermal stability up to 200°C, ensuring performance in high-temperature inkjet drying processes.
• It offers excellent migration resistance, preventing color bleeding and maintaining print sharpness in water-based inkjet inks.
• The metal complex structure provides superior weatherfastness and durability compared to standard monoazo yellows.
• Good chemical stability against pH variations enables consistent dispersion and jetting performance in aqueous ink formulations.

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C.I.NO.: PY150

Advantage: Good heat stability and also good lightfastness and weatherfastness.

Main Application Recommended: Water based inkjet inks

Product description – PY150

HP YELLOW 1541J (PIGMENT YELLOW 150) is mainly used in water 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:

• 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.

Frequently Asked Questions About PY150 / HP Yellow 1541J

What makes PY150 (HP Yellow 1541J) ideal for water-based inkjet inks, and what applications should I use it for?

PY150, identified as HP Yellow 1541J (CAS 61036-28-0, CI 12764), is a high-performance pigment specifically designed for water-based inkjet formulations. Its key advantage lies in its excellent dispersion stability in aqueous systems, preventing nozzle clogging and sedimentation. This pigment delivers a bright, green-shade yellow with high chroma, making it perfect for photo-grade inks, wide-format graphics, and textile printing where vivid color reproduction is critical. It performs exceptionally well on coated papers and specialty media, offering good lightfastness for indoor applications. For best results, we recommend it for industrial and commercial printers requiring consistent, vibrant output without sacrificing jetting reliability.

What are the performance limits of PY150, particularly regarding lightfastness and exposure?

While PY150 offers good lightfastness for everyday inkjet applications (typically rated 5-6 on the Blue Wool scale), it is not suitable for extreme outdoor exposure without overprint protection. When used in high-gloss photo prints, the pigment can undergo slight bronze or discoloration under prolonged UV attack. Additionally, its opacity is lower than that of PY74 or PY13, so it may require heavier loading for opaque coverage on dark substrates. For water-based jetting, its viscosity stability can degrade slightly above 40°C, so avoid high-heat ink recirculation systems. Always test your specific print head and substrate combination to verify fade resistance, as results vary by coating and ink binder chemistry.

How does PY150 compare to its sibling pigment PY154 (HP Yellow 1543J) or PY74?

Compared to PY154 (CI 11784), PY150 offers a greener shade and superior dispersibility in water-based systems, while PY154 has a redder hue and better heat stability for piezo heads running at higher frequencies. Against PY74, PY150 has better lightfastness and less bleed on uncoated papers, but PY74 provides higher color strength and lower cost for bulk applications. PY150 also excels in reduced dye-pigment migration when printed on porous media. For HP printer replacements, PY150 is the direct match for DesignJet and PageWide series inks requiring CAS 61036-28-0. If you need maximum gloss and drying speed, choose PY150 over PY74; if you need opacity for textile inks, consider PY154 instead.

What are the best processing conditions for milling and dispersing PY150 into water-based inkjet inks?

To achieve optimal particle size (80-150 nm) for inkjet jetting, pre-disperse PY150 powder (or presscake) in a suitable wetting agent like a non-ionic surfactant (e.g., Tergitol series) at 1:1 ratio. Use a high-shear bead mill with 0.5-1.0 mm zirconia beads, maintaining a temperature below 40°C to prevent agglomeration. Pass through 2-4 cycles at 2000-3000 RPM, monitoring D90 particle size via dynamic light scattering. For HP 1541J compatibility, the final pH should be 7.5-8.5, viscosity 3-5 cP at 25°C, and surface tension 28-32 dyn/cm. Avoid over-grinding (below 50 nm), as this significantly reduces lightfastness. Always filter through a 0.45-micron membrane before filling to remove any oversized particles.

How should I store HP Yellow 1541J ink, and what are viable substitution options if supply is disrupted?

Store sealed ink formulations in airtight HDPE containers between 5-30°C, away from direct sunlight and freezing. Opened containers should be used within 6 months; prolonged storage near metal ions (e.g., iron) can cause viscosity drift. Blanks with 0.1% biocide (e.g., MIT) prevent microbial growth. If PY150 is unavailable, compatible substitutes include PY74 for cost-sensitive projects (with 20% lower lightfastness) or PY155 if you need better water resistance. For exact CAS 61036-28-0 replacement, source PY150 from alternative manufacturers like BASF (Irgazin series) or Domus Chemicals. Always requalify any substitute in your actual print head and substrate setup, as differences in dispersion stability can cause jetting failures or color shift.

Takeaway: HP Yellow 1541J (PY150) delivers reliable, vibrant green-shade yellow output for water-based inkjet inks, offering superior dispersion stability and lightfastness over standard alternatives, though it requires careful processing and indoor-focused use.