Description

Solvent Violet 31 is a high-performance, violet-colored solvent dye known for its excellent solubility and stability in non-polar organic media. This product is essential for providing intense, durable coloration in a variety of industrial applications where consistent shade and performance are critical. It is primarily used by manufacturers in the plastics, ink, and coatings industries seeking reliable and efficient pigmentation solutions.

Application

• Plastics Coloring: Used for mass coloration of various polymers, including polystyrene (PS), polycarbonate (PC), and poly(methyl methacrylate) (PMMA), offering good heat stability and lightfastness.
• Ink Formulation: A key component in solvent-based printing inks, including flexographic and gravure inks, for packaging and publications.
• Industrial Coatings: Imparts color to lacquers, wood stains, and other solvent-borne coating systems.
• Automotive Finishes: Suitable for tinting certain automotive refinish paints and coatings.
• Wax and Grease Coloring: Used to color candles, polishes, and lubricants due to its oil solubility.
• Specialty Applications: Employed in the coloration of ballpoint pen inks, markers, and other specialty fluids.

Basic Information

Product Name	Solvent Violet 31
CAS No.	70956-27-3
Molecular Formula	C₂₈H₂₀N₂O₄
Molecular Weight	448.47 g/mol
Synonyms	Solvent Violet 31; C.I. 62105; 1,4-Bis[(2-methylphenyl)amino]anthraquinone; 1,4-Bis(o-tolylamino)anthraquinone; Waxoline Violet AP-FW; Macrolex Violet 3R; Ceres Violet 3R; Oil Violet 2R; Anthraquinone Violet; o-Toluidine Anthraquinone Dye
EINECS	Contact for details

Quality Control

Our Solvent Violet 31 is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against stringent internal specifications for key parameters such as color strength, hue, solubility, and purity. A Certificate of Analysis (COA) documenting these results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Dark violet powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Hue	Within agreed tolerance
Solubility (in Toluene)	Clear, complete solution
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.