CAS No.: 8003-22-3
Molecular formula: C₁₈H₁₄N₂O₂
Features: excellent thermal stability and light resistance, good compatibility with resins, along with high tinting strength, excellent migration resistance, and a wide range of applications.
Application: Used for coloring plastics (including ABS, PMMA, PS, e.g., household appliance casings, optical lenses) and solvent-based printing inks (including inkjet inks);
Solvent Yellow 33 is a yellow to dark yellow solid, classified as a quinoline-based oil-soluble dye.
It features excellent thermal stability (suitable for high-temperature injection molding) and light resistance (ISO Grade 7-8). Insoluble in water yet easily soluble in solvents like acetone, it exhibits good compatibility with resins such as ABS/PMMA, along with high tinting strength, excellent migration resistance, and a wide range of applications.
Solvent Yellow 33 is used for coloring plastics (including ABS, PMMA, PS, e.g., household appliance casings, optical lenses) and solvent-based printing inks (including inkjet inks);
Color Index: Solvent yellow 33
CAS No.: 8003-22-3
Molecular formula: C₁₈H₁₄N₂O₂
Chemical Family quinoline Series
Appearance Yellow powder
Forza tintometrica 100±3%
Colore dell'ombra Simile allo standard,
Ash ≤ 0.5%
Moisture ≤ 0.5%
Valore differenziale del coloreΔE ≤ 0,8
Density g/cm3 1.345
Melting Point ℃ 241-244
| Test Articoli | PS | ABS | SAN | PMMA | PC | R-PVC | PA6 | PET |
| Temperatura di resistenza al calore, ℃
(0,05% coloranti, trasparente) |
300 | 250 | 300 | 250 | 320 | - | - | - |
| Temperatura di resistenza al calore, ℃
(0,05% coloranti + 1,0% biossido di titanio) |
300 | 250 | 280 | 250 | 300 | - | - | - |
| Resistenza alla migrazione | - | - | - | - | - | - | - | - |
| Solidità alla luce (0,05% coloranti, trasparente) | 5-6 | 6 | 5-6 | 6 | 6 | 5-6 | 6 | 5 |
| Resistenza agli agenti atmosferici | - | - | - | - | - | - | - | - |
| Resistenza agli acidi (in soluzione di acido cloridrico 5%) | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 |
| Resistenza agli alcali (in soluzione di soda caustica 5%) | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 |
| Acetone | Acetato di butile | Metilbenzene | Diclorometano | Alcool etilico |
| 48-52 | 15-20 | 0.5-0.7 | 0.2-0.4 | 1.0-1.5 |
| PS | ● | PET | ● | PC | ○ |
| AS | ● | PVC- R | ● | SAN | ○ |
| ABS | ● | PVC-U | ● | HIPS | ● |
| PMMA | ● | PA6 | - |
Nota: ● = consigliato ○ = uso potenziale - = non consigliato
Consigliato Dosaggio
Transparent: 0.03 -0.04%
Non-transparent: 0.05 -0.07%
L'imballaggio regolare è in fusti di carta da 25 kg, 450 kg/pallet.
Solvent Yellow 33 stands out as a premium oil-soluble dye that delivers unmatched performance in demanding industrial applications. Characterized by its rich yellow to dark yellow hue, this quinoline-based dye excels with excellent thermal stability, making it a reliable choice for high-temperature injection molding processes. Its superior light resistance, rated ISO Grade 7-8, ensures vibrant and long-lasting coloration across a variety of applications.
While insoluble in water, Solvent Yellow 33 dissolves effortlessly in solvents like acetone, offering versatile integration into multiple manufacturing workflows. The dye’s exceptional compatibility with resins such as ABS, PMMA, and PS makes it ideal for coloring plastics, whether it’s household appliance casings, optical lenses, or other industrial components. With high tinting strength and excellent migration resistance, it guarantees consistent and reliable results time after time.
The applications for Solvent Yellow 33 span widely across industries. It plays a crucial role in solvent-based printing inks, including inkjet inks, offering precise and vibrant coloration. Beyond industrial coloring, it also supports FDA-approved uses such as cosmetic coloring and biomedical tissue staining, signifying its adaptability to both scientific and commercial needs. Whether you’re enhancing product aesthetics or delivering specialized coloring for sensitive applications, Solvent Yellow 33 is engineered to exceed expectations.