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Solvent Yellow 163
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Acid Red 249
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Rutile Titanium Dioxide
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Optical Brightener FP-127
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Pigment yellow 17
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Acid Orange 33
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Solvent Red 23
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Solvent Red 52
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Pigment yellow 13
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Acid Yellow 23 Detergent dye
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Optical Brightener DMA-X
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Solvent Blue 122
Solvent Yellow 93
Product Name: Solvent Yellow 93 / Transparent Yellow 3G
Chemical Name: 4,4′-(E)-methylylidenebis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one) / (4E)-5-methyl-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)methylidene]-2-phenylpyrazol-3-one
Color Index: C.I. 48160
CAS: 4702-90-3
Molecular Formula: C21H18N4O2
Formula Weight: 358.39 g/mol
Synonyms: Transparent Yellow 3G; Macrolex Yellow 3G; Sandoplast Yellow 3G; Solvaperm Yellow 3G; Keyplast Yellow 3G; Oplas Yellow 140; Plast Yellow 1002; Thermoplast Yellow 104; Kayaset Yellow GN; Yellow 3G; C.I. 48160
Application:
Engineering Plastics (PS, ABS, SAN, PMMA, PC, PET), Polyester Fibers, PVC (Rigid), Paints & Coatings, Printing Inks, Toners, Petroleum Products, Oils & Waxes
Description
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1.Product Description
Achieve Brilliant, Heat-Stable Yellow Coloration with Solvent Yellow 93 – The Premium Azomethine Dye for Engineering Plastics and Fibers.
Solvent Yellow 93, internationally designated as C.I. 48160 and widely known as Transparent Yellow 3G, is a high-performance azomethine-based solvent dye renowned for its brilliant greenish-yellow hue, exceptional heat resistance, and outstanding transparency . This sophisticated dye features a unique pyrazolone-based molecular structure that delivers superior thermal stability and excellent solubility in organic solvents and polymer matrices.
What distinguishes Solvent Yellow 93 from conventional solvent dyes is its exceptional combination of heat resistance, lightfastness, and versatility. With a melting point of 180°C and outstanding stability during melt processing, this dye maintains its vibrant color through demanding injection molding, extrusion, and fiber spinning operations . Its lightfastness rating of 6-8 (on an 8-point scale) ensures long-lasting color integrity in outdoor and prolonged-use applications .
Key differentiators:
Azomethine Chemistry: Provides superior thermal stability and lightfastness compared to azo-based alternatives, with excellent migration resistance .
Exceptional Heat Resistance: Withstands processing temperatures up to 350°C in PC, 300°C in PS, and 290°C in PET .
Brilliant Greenish-Yellow Shade: Delivers a clean, transparent greenish-yellow hue with high clarity and excellent color strength .
Non-Migrating Properties: Exhibits excellent resistance to blooming and migration under normal conditions .
Broad Polymer Compatibility: Suitable for PS, ABS, SAN, PMMA, PC, PET, and rigid PVC.
2. Product Specifications (Technical Data Sheet)
| Property | Specification | Insight |
| Product Name | Solvent Yellow 93 (C.I. 48160) | Premium azomethine dye for engineering plastics |
| Appearance | Yellow to orange crystalline powder | Free-flowing, uniform powder |
| CAS No. | 4702-90-3 | Verified chemical registry number |
| EINECS/EC No. | 225-184-1 | Listed in European inventory |
| Molecular Formula | C₂₁H₁₈N₄O₂ | Pyrazolone-based azomethine structure |
| Formula Weight | 358.39 g/mol | |
| Solubility | Insoluble in water; soluble in organic solvents (aromatic hydrocarbons, ketones, alcohols, DMSO, chloroform) | Excellent organic solubility for polymer applications |
| Style | Solvent Dye / Azomethine | Non-ionic, heat-stable colorant |
| Color Shade | Greenish-yellow | Transparent, brilliant yellow with green undertone |
| Tinting Strength | High | Strong coloration with minimal dosage |
| Purity | ≥ 98% - 99% (HPLC) | High purity ensures consistent performance |
| Melting Point | 180-185°C | Excellent thermal stability for processing |
| Density | 1.3 ± 0.1 g/cm³ | |
| Boiling Point | 556.2 ± 60.0 °C | High thermal stability |
| Flash Point | 290.2 ± 32.9 °C | |
| Lightfastness | 6-8 (1-8 scale) | Outstanding UV resistance |
| Heat Resistance (PC) | 350°C | Exceptional stability in polycarbonate |
| Heat Resistance (PS) | 300°C | Excellent for polystyrene processing |
| Heat Resistance (PET) | 290°C | Suitable for polyester applications |
| Moisture Content | ≤ 0.5% | Low moisture ensures stability |
| Insolubles | ≤ 0.3% | High purity with minimal residue |
| Storage Conditions | Store in cool, dry, ventilated warehouse; keep away from light; powder stable 3 years at -20°C, 2 years at 4°C | Shelf life: 3-5 years under proper storage |
| Packing | 25 kg fiber drums / cardboard cartons with PE inner liner; custom sizes available | Secure, moisture-proof packaging |
| Application | PS, ABS, SAN, PMMA, PC, PET, PVC, polyester fibers, coatings, inks, toners | Versatile across multiple industries |
3.Product Application
Engineering Plastics & Thermoplastics – Primary Application:
Solvent Yellow 93 is the preferred colorant for high-performance engineering plastics, delivering exceptional heat stability and brilliant transparent coloration across a wide range of polymers :
| Polymer Substrate | Recommended Dosage | TiO₂ Ratio | Heat Resistance | Lightfastness |
| Polycarbonate (PC) | 0.05-0.15% | 1:10 | 350°C | Grade 6-8 |
| Polystyrene (PS) | 0.05-0.2% | 1:5 | 300°C | Grade 6-7 |
| PET (Polyester) | 0.05-0.15% | 1:10 | 290°C | Grade 6-7 |
| PMMA (Acrylic) | 0.05-0.15% | 1:10 | 300°C | Grade 6-7 |
| ABS | 0.05-0.2% | — | 300°C | Grade 6-7 |
| Rigid PVC | 0.05-0.2% | — | 200°C | Good |
Polyester Fibers & Textiles:
Solvent Yellow 93 is widely used in polyester fiber coloration for:
Dope Dyeing: Added during fiber spinning for permanent, wash-fast coloration.
Textile Applications: Provides vibrant yellow hues for polyester fabrics and blends .
Excellent Compatibility: High compatibility with polyester and other synthetic fibers.
Paints, Coatings & Printing Inks:
Solvent Yellow 93 is suitable for industrial coating and ink applications :
Industrial Coatings: Provides transparent greenish-yellow shades with excellent durability.
Printing Inks: Used in solvent-based ink systems for packaging and specialty printing.
Toners: Essential colorant in toner production for printing applications .
Oils, Waxes & Petroleum Products:
The dye is used for coloring non-polar substrates :
Petroleum Products: Colors fuels, lubricants, and hydrocarbon solvents.
Oils & Waxes: Provides vibrant yellow coloration for industrial oils and wax formulations.
4.Our advantage:
1) Provide free samples for testing or comparing the effect difference and cost performance.
2) Fast response speed, customers' questions at any time will be responded to in two hours.
3) Fast delivery: the fastest delivery can be made on the same day.
4)Different packaging solutions: provide various packaging options according to customer requirements.
5)Technical guidance: provide improved whitening and coloring formulas and guidance according to customer production materials.
6) Sample retention or sample mailing before bulk delivery.
7) Providing certificationes, such as Reach certification.
8) Different payment methods: TT LC, etc.
9) Providing door-to-door DDP service.
5.Packing information:
Usually is 25Kg/drum or paper box or bag with inner double PE liner Or provide customized packaging according to customer requirements.
Contact Us
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