Solvent Yellow 43 C.I.NO: Solvent Yellow 43 CAS NO: 19125-99-6 Chemical Structure: Naphtocyclinon Shade: Fluorescent Yellow with Green Cast Same product: Keyplast Fluorescent Yellow R (KEY) Storage Stability: 5 Years Foreign relative brand: Fluorescent (PYL) Kayaset Flavine FG (KYK) Roseaplast Yellow FR(ROSE) Uniplas Yellow 43 (UCM) Waxoplast Yellow MBA(DEVI) Naviplast Yellow GG (IDI) Applications: Surface coatings lacquers, resin based pigments for coatings and paints, waxes, candles and fuels. fluorescent tracer for engineering fluids and leak detector for refrigerants. Physical & Chemical Properties 1 Appearance Yellow Powder 2 Chromatism ≤1.0 3 Color strength Standard 100%±1% 4 Water content ≤0.5% 5 Ash content ≤0.2% 6 Screen test (60 mesh) ≤5.0% 7 Melting point 125℃ 8 Migration resistance 280℃ 9 Heat resisting property 7 10 Light Fastness 4-5 11 Heavy Metal Content Table below Table RoHS Limit ppm Cd Cr VI Hg Pb PBBs PBDEs 10 10 10 10 10 10 Recommended Application PET ○ PBT ○ PA-6 ? PA-66 ? PS ● HIPS ● ABS ○ SAN ● PMMA ● PC ○ POM ○ CAB transparent dye ● Transparent coating ● Smoke dye ● ● Recommended ○ Potential Use ?Not Recommended

CAS NO:19125-99-6

EC NO:242-828-7

Molecular Formula:C₂₀H₂₄N₂O₂

Molecular Weight:324.4168

Synonyms:1H-Benz(de)isoquinoline-1,3(2H)-dione, 2-butyl-6-(butylamino)-;2-Butyl-6-(butylamino)-1H-benz(de)isoquinoline-1,3(2H)-dione;4-(Butylamino)-N-butyl-1,8-naphthalimide;4-Butylamino-N-butyl-1,8-naphthalimide;2-butyl-6-(butylamino)-1H-benzo[de]isoquinoline-1,3(2H)-dione;

Molecular Structure: