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Solvent Violet 36

Solvent Violet 36 is an organic solvent dye belonging to the anthraquinone family, primarily used for coloring plastics, synthetic fibers, printing inks, coatings, and other non-polar materials. It offers excellent color strength, outstanding lightfastness, and good heat stability, making it suitable for demanding industrial applications. Its vivid violet shade is stable under various processing conditions, ensuring long-lasting performance and minimal migration in end products.

Key Characteristics and Advantages

Solvent Violet 36 owes its excellent performance to its specific molecular configuration, with the following core advantages :

  • ‍Distinctive Chromaticity: It displays a vivid reddish-violet hue with high color saturation. The relative color strength is maintained at 100±2 (compared to the standard sample), and the color rendering index exceeds 95, making it stand out in various coloring scenarios.
  • Outstanding Light and Weather Resistance: Its light fastness reaches grade 7-8 in concentrated color applications and grade 6-7 in dilute systems, which is 1-2 grades higher than ordinary violet solvents. The weather resistance test shows no obvious fading after 1000 hours of artificial aging (Xenon lamp test) .
  • Excellent Thermal Stability: With a decomposition temperature of over 350℃, it can tolerate processing temperatures up to 320℃ in engineering plastics like PC and PBT, without thermal discoloration or degradation.
  • Good Solubility and Compatibility: Insoluble in water (solubility <0.01 g/L at 25℃) but highly soluble in aromatic hydrocarbons, esters, and ketones. It has strong compatibility with various resins, avoiding phase separation issues.
  • Low Toxicity and Environmental Friendliness: Compliant with EU REACH regulations, its heavy metal content (lead ≤10 mg/kg, cadmium ≤5 mg/kg) meets the highest environmental standards, suitable for food contact and toy materials.‍

TRADE NAME:

Transparent Violet 3R,Oil Violet 3R,Solvent Violet 3R,Transparent Violet BS,Kayaset Violet A-R,Macro-lex Violet 3R

Application:

Mainly used for polystyrene, ABS resin, hard polyvinyl chloride and other kinds of resin color, also can be used for polyester protoplasmic coloring.

What Are the Specific Applications of Solvent Violet 36?

Leveraging its comprehensive performance, Solvent Violet 36 has been widely applied in high-end coloring fields, with the main application scenarios as follows :

High-End Plastic Coloring: 

It is the preferred dye for engineering plastics such as PC, ABS, PBT, and PA. Typical products include mobile phone back covers, automotive exterior trim, and high-transparency plastic lenses .

Textile and Fiber Dyeing: 

Used for mass-coloring of polyester (PET) and polyamide (PA) fibers, producing high-end fabrics for fashion, sportswear, and outdoor gear, especially suitable for products requiring light resistance .

Ink and Coating Industry: 

Applied in UV-curable inks, gravure printing inks, and automotive refinish coatings. It provides bright colors and excellent adhesion, and is widely used in high-end packaging printing (such as wine labels) .

Specialty Fields: 

Used in the coloring of cosmetic raw materials (such as nail polish resins), optical films, and electronic wire insulation materials, expanding its application due to its stable performance .

Technical Specifications

  • ‍CAS NO: 61951-89-1
  • CI.NO: Solvent Violet 36
  • Molecular Structure: anthraquinones
  • Shade: Red light purple‍

Standard

Light Fastness

Heat-resistant(℃)

water

Sodium Carbonate(5%)

Hydrochloric acid(5%)

Melting point

Stable

ISO

6-7

300

Item

Fastness

Sun

6-7

Melt Point(℃)

300

Package

20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye.

How does Solvent Violet 36 perform under UV exposure?

It offers excellent lightfastness, meaning the violet shade remains stable even under prolonged UV exposure. This makes it ideal for outdoor applications, signage, and products exposed to sunlight.

Is Solvent Violet 36 compatible with transparent polymers?

Yes, it has good solubility in transparent polymers such as PMMA and polycarbonate, producing clear, vibrant violet shades without haze or cloudiness.

Does Solvent Violet 36 have good migration resistance?

Yes. Once incorporated into the polymer matrix, Solvent Violet 36 shows low migration, ensuring the color stays locked in without bleeding into adjacent materials.

Can Solvent Violet 36 be used in food-contact plastics?

Usage in food-contact applications depends on regional regulations. Always check with the relevant safety and compliance standards before use.

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