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    AI Overview
    Pigment Yellow 129 (CAS# 15680-42-9) is a high-performance, greenish-yellow, transparent organic pigment in the azomethine-copper complex chemical class. It is characterized by excellent lightfastness (8/8), high heat stability, and good chemical resistance, primarily used in industrial paints, coatings, and high-quality plastics. 
    Key Characteristics and Applications 
    • Color Profile: Greenish yellow, often described as a transparent, slightly dull greenish-yellow.
    • Performance: Offers outstanding lightfastness (BWS 7-8) and high resistance to alkalis and acids.
    • Primary Uses: Widely utilized in specialized coatings, including architectural coatings, industrial finishes, and some plastics, notes Chroma Specialty Chemicals.
    • CAS Name: Copper, [1-[[[2-(hydroxy-κO)phenyl]imino-κN]methyl]-2-naphthalenolato(2-)-κO]-.
    • Chemical Formula:
      𝐶17
      𝐻11
      𝐶𝑢𝑁𝑂2
      .
    • Trade Names: Often known as Irgazin Yellow (though BASF has changed ownership of this line).
    • Properties: Possesses high transparency and good resistance to migration. 
    PY129 is ideal for scenarios requiring a warm yellow with superior durability against environmental factors. 
    • Kremer Watercolor - Yellow, greenish, PY 129 Ready-made Colors
      Technical Data * Chemical description: Azomethine-Copper complex (Pigment Yellow 129, C.I. No. 48042; CAS No. 15680-42-9) in Kreme...
      Kremer Pigmente Online Shop
    • Interactive IRUG Spectrum
      Related Structure(s) * IRUG Structure Tracking #: 119. * Common Name(s): Pigment Yellow 129 (PY129); Metal Complex; CI48042. * Che...
      IRUG
    • Pigment Yellow 129 | Chroma Specialty Chemicals
      Colour Index No. PY.129. CAS No. 15680-42-9. CI No. 48042. Type, Organic. Class, Azomethine. Typical Applications. Ink: Coatings: ...
      Chroma Specialty Chemicals
    • Pigment Yellow 129 - CAS Common Chemistry
      CAS Name: Pigment Yellow 129. Molecular Formula: C 17 H 11 CuNO 2. Molecular Mass: 324.82. Discover more in SciFinder.
      Common Chemistry (CAS)
    • PY129 Irgazin Yellow | Pigment information
      Apr 8, 2026 — PY129 Irgazin Yellow | Pigment information | Artist Pigments.
      Artist Pigments.org
    • The Color of Art Pigment Database: Pigment Yellow - PY
      CAS 15680-42-9. EC 239-763-1. Slightly dull, light greenish yellow to yellowish green;. Medium tinting strength, staining;. 4. I (
      Art Is Creation
    • Pigment Yellow 12 - Paint & Coatings - UL Prospector
      Aug 12, 2025 — It has good color strength and migration resistance. It also has a heat resistance of 180ºC. It offers high dyeing force, high bri...
      UL Prospector
    • Green Gold P.Y. 129: The Vibrant Yellow Pigment Every Artist Needs
      May 23, 2025 — The pigment is characterized by its excellent lightfastness and resistance to fading, making it a top choice for artists who requi...
      Jackman's Art Materials
    • Fluorescent Pigment Powder – Ranbar ZQ Series
      Dec 25, 2023 — This pigment series features higher color concentration, excellent stability, eco-friendliness (formaldehyde-free), outstanding he...
      Ranbar Pigment
    • Kremer Watercolor - Yellow, greenish, PY 129 Ready-made Colors
      Technical Data * Chemical description: Azomethine-Copper complex (Pigment Yellow 129, C.I. No. 48042; CAS No. 15680-42-9) in Kreme...
      Kremer Pigmente Online Shop
    • Interactive IRUG Spectrum
      Related Structure(s) * IRUG Structure Tracking #: 119. * Common Name(s): Pigment Yellow 129 (PY129); Metal Complex; CI48042. * Che...
      IRUG
    • Pigment Yellow 129 | Chroma Specialty Chemicals
      Colour Index No. PY.129. CAS No. 15680-42-9. CI No. 48042. Type, Organic. Class, Azomethine. Typical Applications. Ink: Coatings: ...
      Chroma Specialty Chemicals
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    Kremer Watercolor - Yellow, greenish, PY 129 Ready-made Colors


    Kremer Pigmente Online Shop
    https://www.kremer-pigmente.com › en-us › shop › 23...
    Kremer Pigmente Online Shop
    https://www.kremer-pigmente.com › en-us › shop › 23...
    Azomethine-Copper complex (Pigment Yellow 129, C.I. No. 48042; CAS No. 15680-42-9) in Kremer watercolor medium; Resistance to alkali: 5 (1 is bad, 5 is best) ...

    Pigment Yellow 129


    Chroma Specialty Chemicals
    https://chromaspecialtychemicals.com › pigments › pig...
    Chroma Specialty Chemicals
    https://chromaspecialtychemicals.com › pigments › pig...
    Colour Index No. PY.129. CAS No. 15680-42-9. CI No. 48042. Type, Organic. Class, Azomethine. Typical Applications. Ink: Coatings: Plastics: No, Yes, No.Read more

    Pigment Yellow PY129 CAS# 15680-42-9


    China AAB Industry Technology Group
    https://www.aabindustrygroup.com › pigment-yellow-py...
    China AAB Industry Technology Group
    https://www.aabindustrygroup.com › pigment-yellow-py...
    The SIC-S2129 CAB pigment chip offers a practical and high-performance alternative to grinding of the Green-shade Yellow C.I. PY129 solvent pigment paste.

    PY129


    Kikirpa
    https://soprano.kikirpa.be › id=PY129_A_785_kikirpa
    Kikirpa
    https://soprano.kikirpa.be › id=PY129_A_785_kikirpa
    PY129. C.I. name, Pigment Yellow 129. Chemical class, Azomethine metal complex. Colour, Yellow. C.I. number, C.I. 48042. C.A.S. number, 15680-42-9. Instrument ...Read more

    23330 Yellow, greenish, PY 129


    Kremer Pigmente Online Shop
    https://www.kremer-pigmente.com › 23330_SDS
    Kremer Pigmente Online Shop
    https://www.kremer-pigmente.com › 23330_SDS
    PDF
    Yellow, greenish, PY 129. Article No.: 23330. UFI ... Pigment Yellow 129, C.I. 48042. Information on Components / Hazardous. Ingredients: CAS-Nr: 15680-42-9.Read more
    10 pages

    Pigment Yellow 129


    dyestuffintermediates.com
    http://www.dyestuffintermediates.com › pigment-dye › p...
    dyestuffintermediates.com
    http://www.dyestuffintermediates.com › pigment-dye › p...
    Nov 22, 2012 — Pigment Yellow 129 ; Name:C.I.Pigment Yellow 129,C.I.48042 ; Molecular Structure: Azomethine ; Molecular Formula:C17H13NO ; Molecular Weight: 263.29.Read more
    Missing: PY129 ‎| Show results with: PY129

    Pigment Yellow 129


    Common Chemistry (CAS)
    https://commonchemistry.cas.org › detail › cas_rn=1568...
    Common Chemistry (CAS)
    https://commonchemistry.cas.org › detail › cas_rn=1568...
    CAS Name: Pigment Yellow 129. Molecular Formula: C 17 H 11 CuNO 2. Molecular Mass: 324.82. Discover more in SciFinder.Read more
    Missing: PY129 ‎| Show results with: PY129

    Pigment Yellow 129 PY 129 Organic Pigment Greenish ...


    Alibaba.com
    https://www.alibaba.com › ... › Pigment
    Alibaba.com
    https://www.alibaba.com › ... › Pigment
    Key attributes ; 15680-42-9. CAS No. Shandong, China. Place of Origin ; Powder. Physical Form. GR2581. Model Number ; Gree. Brand Name. /. EINECS No.

    N,O,O']copper [1-[[(2-hydroxyphenyl)imino]methyl]


    ChemNet
    https://www.chemnet.com › cas › 15680-42-9
    ChemNet
    https://www.chemnet.com › cas › 15680-42-9
    Synonyms： 48042; C.I. · CAS Number： 15680-42-9 · EINECS： 239-763-1 · Molecular Formula： C17H11CuNO · Molecular Weight： 324.8207 · InChI： InChI=1/C17H13NO2.Cu/c19-16- ...Read more

    The Color of Art Pigment Database: Pigment Yellow - PY


    Art Is Creation
    https://www.artiscreation.com › yellow
    Art Is Creation
    https://www.artiscreation.com › yellow
    CAS 15680-42-9. EC 239-763-1. Slightly dull, light greenish yellow to yellowish green;. Medium tinting strength, staining;. 4. I (ATSM). BWS: 8;8;7-8 (BASF);.Read more
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