SoleChem

Pigment yellow 138

CAS 30125-47-4
EC 250-063-5
Formula C26H6Cl8N2O4
MW 693.96 g/mol
Pigments & Colorants Plastics & PolymersPrinting & PackagingTextile, Leather & PaperCoatings, Adhesives, Sealants & Elastomers Surface Modification & Wetting

Description

Pigment Yellow 138 (CAS 30125-47-4, EC 250-063-5, C.I. 56300) is a high-performance quinophthalone-based organic pigment with the molecular formula C26H6Cl8N2O4. It is also referenced under trade designations including Plasco Yellow 138 and Yellow 09-6101, and carries no assigned E-code.

In plastics and polymer compounding, Pigment Yellow 138 delivers strong heat stability and resistance to migration, making it suitable for engineering thermoplastics processed at elevated temperatures. In industrial coatings and printing inks, its chlorinated structure contributes to lightfastness and chemical resistance, enabling durable color retention on demanding substrates including packaging films and coated papers.

Pigment Yellow 138 is supplied under REACH compliance and is available in powder form for direct incorporation into resin systems, inks, and coating formulations. Buyers should confirm grade specifications for specific end-use requirements, particularly where food-contact or textile regulatory frameworks apply. Standard packaging formats vary by supplier volume tier.

Physical Properties

Boiling Point 874.2±75.0 °C(Predicted)
Density 1.845±0.06 g/cm3(Predicted)
Log P 1.03 at 20℃

Other Names

C.I. 56300Yellow 138Yellow 09-6101Plasco yellow 138C.I.PIGMENTYELLOW138Paliotol Yellow 0965KPaliotol Yellow 0961KQUINOPHTHALONE YELLOWC.I. Pigment Yellow 138

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