Description
Solvent Orange 86, also known as 1,4-Dihydroxyanthraquinone, is an anthraquinone-based dye widely used in industrial applications. Here’s a quick breakdown of its key features:
Chemical Profile
- Chemical Formula: C₁₄H₈O₄
- CAS Numbers: 81-64-1 / 103220-12-8
- Appearance: Orange to red-brown crystalline powder
- Melting Point: ~198–199°C
- Boiling Point: ~450°C
- Solubility: Insoluble in water, but highly soluble in organic solvents like acetone, toluene, and dichloromethane2
Applications
- Coloring Agent: Used to color gasoline, heating oils, and waxes
- Plastics & Resins: Common in PS, ABS, PET, PVC, and acrylics
- Ink & Coatings: Offers vivid orange hues with strong tinting strength
- Dye Intermediate: Precursor for vat, disperse, and reactive dyes3
Performance Highlights
- Light Fastness: Very good (rated 6–7 out of 8)
- Heat Resistance: Up to 300°C in polystyrene
- Chemical Resistance: Stable against acids and alkalis3
If you’re working on a project involving dyes or polymers, this one’s a versatile pick.
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