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Pigment Yellow 1

Brand
Fineland Chem
Color Index
Pigment Yellow 1
Color Index No
11680
CAS No
2512-29-0
EC No
219-730-8
Chemical Group
Mono Azo
Chemical Formula C₁₇H₁₆N₄O₄

What is Pigment Yellow 1

Pigment Yellow 1 (C.I. 11680) is a synthetic organic monoazo pigment widely used for producing bright yellow shades in various industrial applications. Chemically derived from aromatic diazo components, it provides a greenish-yellow tone with moderate tinting strength and relatively high color clarity. As one of the earlier developed azo pigments, Pigment Yellow 1 is primarily applied in systems where cost-efficiency and vivid coloration are required.

Product Technical Data and Typical Performance Values

PY1 – DuraPaint®6101        ⬇️TDS

This is a greenish yellow pigment with good hiding ability, suitable for use in industrial coating applications.

Physical Properties

Test Item
Specification
Bulk Density (g/cm3 )
1.27-1.49
Specific Surface Area(m2/g)
11-65
Oil Absorption(g/100g)
35-45
PH Value
6.0-8.5
Moisture Content (%)
≤2.5
Total impurities(ppm)
≤600
Molecular structure formula of pigment yellow 1

Fastness Properties

Heat Resistance (℃) 160 Alkali Resistance (1-5) 5
Light Resistance (Full Shade, 1-8) 5-6 Migration Resistance(1-5) 4
Light (Reduced tinting, 1-8) 5 Ethyl Acetate (1-5) 3
Weather Resistance (1-5) 4 Ethanol (1-5) 4
Acid Resistance (1-5) 5 MEK (1-5) 3

Typical Applications

Pigment Yellow 1 is commonly used in:

  • Printing inks, particularly for publication and packaging inks

  • Water-based and solvent-based decorative coatings

  • Stationery and educational materials

  • Paper coloration

  • Textile printing (non-demanding fastness requirements)

It is generally selected for indoor applications or products with limited exposure to strong weathering conditions.

Key Performance Properties Related to Applications

Color Shade
Pigment Yellow 1 delivers a bright greenish-yellow hue, suitable for blending in process yellow formulations and general-purpose ink systems.

Tinting Strength
It offers moderate to good tinting strength, allowing economical formulation in ink and coating applications.

Dispersibility
The pigment can be dispersed in common binder systems using standard milling processes.

Solvent Resistance
It shows moderate resistance to aliphatic solvents, making it compatible with many conventional ink vehicles.

Processing Stability
Suitable for low to medium temperature processing conditions; not typically recommended for high-temperature engineering plastics.

Advantages

  • Bright greenish-yellow shade

  • Cost-effective organic pigment option

  • Suitable for general-purpose printing inks

  • Compatible with water-based and solvent-based systems

  • Easy color blending in standard formulations

Typical Limitations

  • Limited lightfastness compared to high-performance azo or isoindolinone pigments

  • Not recommended for prolonged outdoor exposure

  • Restricted heat stability for high-temperature plastic processing

  • May show migration in certain plasticized systems

Buyer Guidance

When evaluating Pigment Yellow 1, buyers typically consider:

  • Indoor versus outdoor application requirements

  • Required lightfastness rating

  • Processing temperature conditions

  • Regulatory and compliance needs

  • Compatibility with specific resin or ink systems

Application testing is recommended to confirm suitability for the intended formulation.

Synonyms

Pigment Yellow 1 Graphtolyellow4813-0 Heliofastyellowgns Isolfastyellowgtransp
Hansa Yellow g Graphtolyellowgl Heliofastyellowgt Kromonyellowg
Hansa Yellow Hancockyellow1008 Irgalitefastyellowpg Lightfastyellow
Fast Yellow g Hansayellowg,Gt Irgalitefastyellowpgtransparent Cosmenyl Yellow g
c.i. 11680 Hansayellowg45-4050 Irgaliteyellowcdsx,g,Ng Flexobrite Yellow g
c.i. Pigment Yellow 1 Hansayellowgad Irgaliteyellowg Hansa Yellow g02
Calcotonehansayellow Hansayellowgextra Irgaliteyellowgns Luconyl Yellow 1250
Carnelioyellowg Hansayellowgt Irgaliteyellowgtn Monolite Yellow Ge-Hd
Chromatexyellowj Hansayellowgtoner Irgaliteyellowpv2 Pigmosot Yellow 1250
Dainichifastyellowg Hansayellows3155 Isolarylyellowg Sanyo Fast Yellow g
Fanchonyellowg-Yh1 Hansayellowtonerg-Ya8365 Isolarylyellowgtransp Solintor Yellow Gxt
Fanchonyellowwd259 Heliofastyellowg,Gn,Gt Isolarylyellowgx Suimei Fast Yellow g
Fastonayellowg Heliofastyellowgn Isolfastyellowg Yellow 22006
Fastonayellowgtransparent

Manufacturer and Supplier Information

Pigment Yellow 1 is produced by pigment manufacturers specializing in azo chemistry. Commercial grades may differ in particle size distribution, surface treatment, and dispersibility performance depending on the target industry and formulation requirements.

Package and Delivery

  • 25KG Kraft Bag, 400kg/500kg Carton Box
  • Lead Time: Normally around 15 days after signed contract.

FAQ

1. Is Pigment Yellow 1 suitable for outdoor coatings?

It is generally used for indoor or short-term applications due to moderate lightfastness.

2. Can it be used in plastic coloration?

It may be used in certain low-temperature plastics, but heat stability should be verified before production.

3. Is it appropriate for process printing inks?

Yes, it is commonly used in general-purpose and publication printing inks.

4.Does it provide strong opacity?

Pigment Yellow 1 typically offers moderate opacity; formulation adjustments may be required depending on coverage needs.

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Pigment Powder for different application

Package and Delivery​

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