PROFESSIONAL PIGMENT MANUFACTURER
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Brand
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Fineland Chem
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Color Index
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Solvent Brown 43 |
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CAS No
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61116-28-7 |
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EC No
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612-086-2 |
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Chemical Group
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Metal Complex Wood Dye |
| Chemical Formula | C₃₄H₂₆Cl₂CrN₈O₈S₂·H |
Solvent Brown 43 is an oil-soluble solvent dye used for coloring fuels, lubricants, plastics, waxes, and other hydrocarbon-based systems. As a solvent dye, it dissolves directly in compatible organic media, producing transparent brown coloration with high tinting strength.
Solvent Brown 43 is valued for its good solubility, stable shade performance, and suitability for industrial applications requiring consistent color identification. It is commonly used in fuel and lubricant systems as well as in plastic coloration where transparent brown tones are desired.
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Test Item
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Specification
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Cont of water % ≤
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2.0
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Soluble matter in water %≤
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1.0
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Conductivity (µm/cm)≤
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250
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Quality of total (ppm)
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1000
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Residues passing through(100mesh)% ≤
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1.0
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Ph value
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6.0～8.0
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| Acid Resistance | 4-5 | Light Fastness
(8=excellent) |
7-8 |
| Alkali Resistance | 4-5 | ||
| Migration Resistance | 5 | Heat Resistance(℃) | 150-200 |
Solvent Brown 43 is commonly used in the following applications:
Fuel coloring
Lubricants and industrial oils
Wax and hydrocarbon systems
Engineering plastics
Synthetic resins
Industrial inks and coatings
In fuel and lubricant systems, the dye helps provide clear color identification, while in plastics it enables transparent brown coloration without affecting material clarity.
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The dye dissolves effectively in oils, fuels, and organic solvents, ensuring uniform coloration without particle dispersion.
Solvent Brown 43 provides strong color intensity even at relatively low dosage levels, allowing efficient use in many formulations.
Unlike pigments, solvent dyes produce transparent color effects, making them suitable for applications where clarity is required.
The dye maintains stable performance under typical industrial processing conditions for oils and thermoplastic systems.
It provides consistent coloration in hydrocarbon-based liquids used for identification purposes.
The dye allows coloration without significantly affecting transparency.
Because the dye dissolves directly into compatible systems, dispersion steps required for pigments are not necessary.
Solvent dyes generally offer lower outdoor durability compared with high-performance pigment systems.
Migration resistance depends on polymer compatibility and formulation design.
As a dye, it does not provide opacity and is not suitable for applications requiring strong coverage.
When selecting this type of solvent dye, buyers should confirm:
Target application (fuel, lubricant, plastics, etc.)
Solubility requirements
Processing temperature
Desired shade intensity
Regulatory compliance requirements
Providing clear application details allows suppliers to recommend suitable grades and usage conditions.
25KG Kraft Bag, 400kg/500kg Carton Box
Lead Time: Normally around 15 days after signed contract.
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 stable color strength, solubility performance, and batch consistency. Technical communication and export support are available for global customers.
It is commonly used for coloring fuels, lubricants, plastics, waxes, and other hydrocarbon-based systems.
Yes. The dye dissolves well in many oils, fuels, and organic solvents.
Yes. It can provide transparent brown coloration in compatible thermoplastic systems.
Solvent dyes dissolve in the medium and produce transparent coloration, while pigments remain dispersed and provide opacity.
It is generally not recommended for long-term outdoor exposure due to moderate lightfastness compared with pigment systems.
