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Solvent Yellow 43

Solvent Yellow 43 is a naphthalimide-class, fluorescent solvent dye (oil-soluble) that produces a bright fluorescent yellow/green shade. It is widely used to tint plastics, solvent-based coatings, printing inks and speciality applications where high visual brightness is required. 

TRADE NAME:

Fluorescent Yellow R,Solvent Yellow R,Akasol Fluorescent Yellow R,Azosol Brilliant Yellow 8GF,Fluorescent Brilliant Yellow R,Fluorescent Yellow G,Fluorol 7GA,Indasol Yellow 8GF,Morplas Fluorescent Yellow G,Rosaplast Yellow FR,Simpsol Lemon Yellow 24760,Spectra Fluor Yellow G

Key Features

  • Bright fluorescent yellow shade with greenish cast — excellent visual pop at low concentrations.
  • Good solubility in non-polar solvents and many polymer matrices (PC, PS, ABS, PMMA, some polyesters).
  • High tinctorial strength — low usage levels for strong coloration.
  • Suitable for transparent and translucent systems (coatings, transparent plastics, smoke dye).

Applications

  • Plastics coloring (transparent & translucent)
  • Solvent-based coatings & varnishes
  • Smoke dye & specialty optical materials
  • Additive in masterbatches

Technical Specifications

  • ‍CAS NO: 19125-99-6/12226-96-9
  • CI.NO: 561930
  • Molecular Weight: 324.42
  • Molecular Formula:C20H24N2O2
  • Shade: green yellow.‍

Standard

Melting point

density

Acid Resistance

Alkali Resistance

ISO

126-127℃

1.174

A

A

Package

20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye.

Which polymers is Solvent Yellow 43 most compatible with?

Solvent Yellow 43 is typically used in transparent/translucent polymers such as PMMA, PS, SAN and compatible engineering plastics. Compatibility testing is recommended for high-temperature polymers.

Is Solvent Yellow 43 lightfast and heat resistant?

Lightfastness is moderate and depends on formulation; heat resistance depends on host polymer — test under your process conditions.

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