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Solvent Yellow 33

Brand
Fineland Chem
Color Index
Solvent Yellow 33
Color Index No47020
47000
CAS No
8003-22-3
EC No
232-318-2
Chemical Group
Anthraquinone
Chemical Formula C18H11NO2

What is Solvent Yellow 33?

Solvent Yellow 33 is an oil-soluble solvent dye widely used for coloring fuels, lubricants, plastics, waxes, and other hydrocarbon-based systems. As a solvent dye, it dissolves directly in compatible organic media, producing bright transparent yellow coloration.

This dye is known for its good solubility, strong tinting strength, and stable shade performance in industrial formulations. It is commonly applied in fuel and lubricant systems for identification purposes, as well as in plastics and specialty materials where transparent yellow coloration is required.

Product Technical Data

Solvent Yellow 33 CorSol®3133       ⬇️TDS
This is a bright greenish yellow solvent dye recommended for plastics such as PS, SAN, PMMA, PC, ABS and ABS/PC blends, with potential suitability for PA6 and PET, offering stable processing performance and consistent coloration in industrial applications.

 

Physical Properties

Test Item Specification
Bulk Density (g/cm3)
Melting point (℃) approx. 240
Moisture(%) ≤0.5
Ash(%) ≤0.3
Insolubility(%) ≤0.3
PH Value 6-8
Fe Content(ppm) ≤1000
Chemical Formula of Solvent Yellow 33

Fastness Properties

Heat Resistance (℃) in PS 300 Migration Resistance(1~5) 5
Light Resistance (Full Shade, 1-8) 7-8 Resistance to Acid(1~5) 5
Light (Reduced tinting, 1~8) 7 Resistance to Alkali(1~5) 5

Typical Applications

Solvent Yellow 33 is commonly used in the following applications:

  • Fuel coloring

  • Lubricants and industrial oils

  • Waxes and hydrocarbon systems

  • Plastics and synthetic resins

  • Industrial inks

  • Specialty coatings

In hydrocarbon liquids, the dye provides clear color identification, while in plastics it enables transparent yellow coloration without affecting material clarity.

Application

Printing Ink: Discover high-performance ink pigments for various printing technologies including water-based, solvent-based, offset, inkjet, UV curing, and decorative applications. More Details

Paint and Coating: Explore a wide range of coating pigments tailored for paints, oils, automotive finishes, industrial applications, concrete, cement, and ceramics. More Details

Plastic and Masterbatch: Browse a comprehensive selection of plastic pigments designed for PE, PVC, EVA, rubber, and a variety of engineering plastics. More Details

Special Use: Find specialized pigments offering unique effects and functionalities for textiles, resins, glazes, metallic finishes, fluorescence, and anti-corrosion needs. More Details

Key Performance Properties

1. Excellent Solubility in Hydrocarbon Systems

The dye dissolves well in fuels, oils, and many organic solvents, ensuring uniform coloration without sedimentation.

2. Strong Tinting Strength

Solvent Yellow 33 offers strong color intensity even at relatively low dosage levels, supporting efficient formulation.

3. Transparent Coloration

As a solvent dye, it provides bright and transparent yellow shades suitable for clear or translucent materials.

4. Good Processing Stability

The dye maintains stable color performance during typical industrial processing conditions used in oils and thermoplastic materials.

Advantage

1. Suitable for Fuel and Oil Identification

The dye is widely used to provide visible color identification in fuels and lubricant systems.

2. Transparent Color Development

It produces bright yellow coloration while maintaining clarity in compatible materials.

3. Easy Processing

Because it dissolves directly in compatible systems, dispersion steps required for pigments are not necessary.

Typical Limitations

1. Moderate Lightfastness

Solvent dyes generally provide lower resistance to long-term outdoor exposure compared with high-performance pigment systems.

2. Possible Migration in Some Plastics

Migration resistance depends on compatibility between the dye and the polymer system.

3. Limited Hiding Power

As a dye, it does not provide opacity and is not suitable for applications requiring strong coverage.

Synonyms

C.I. Solvent Yellow 33 Solvent Yellow 33 Waxoline Yellow T Solvent Yellow 33 (C.I. 47000)
C.I. Solvent Yellow 33: C.I. 47000 Quinoline Yellow, spirit soluble, pure Quinoline Yellow, 95%, spirit soluble Solvent Yellow 33 ISO 9001:2015 REACH
2-(2-quinolinyl)-1H-indene-1,3(2H)-dione 2-(2-quinolyl)-1,3-indandione

Buyer Guidance

When selecting solvent dyes for industrial applications, buyers should confirm:

  • Target application (fuel, lubricants, plastics, etc.)

  • Solubility requirements

  • Processing temperature

  • Desired shade intensity

  • Regulatory compliance requirements

Providing detailed application information helps suppliers recommend suitable grades and usage conditions.

Package and Delivery

25KG Kraft Bag, 400kg/500kg Carton Box

Lead Time: Normally around 15 days after signed contract.

Manufacturer and Supplier Information

Fineland Chem supplies industrial colorants and solvent dyes for applications including fuels, lubricants, plastics, and hydrocarbon systems.

Products are manufactured under controlled quality standards to ensure consistent color strength, solubility performance, and batch stability. Technical communication and export support are available for global customers.

FAQ

1. What is Solvent Yellow 33 mainly used for?

It is commonly used for coloring fuels, lubricants, plastics, waxes, and hydrocarbon-based systems.

2. Is it soluble in oils and fuels?

Yes. The dye dissolves well in many oils, fuels, and organic solvents.

3. Can it be used in plastics?

Yes. It can provide transparent yellow coloration in compatible thermoplastic materials.

4. How does it differ from yellow pigments?

Solvent dyes dissolve in the medium and produce transparent coloration, while pigments remain dispersed and provide opacity.

5. Is it suitable for outdoor coatings?

It is generally not recommended for long-term outdoor exposure due to moderate lightfastness compared with pigment systems.

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Package and Delivery​

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