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Solvent Yellow 82

Solvent Yellow 82 is Bright, high‑purity solvent dye optimized for solvent‑based inks, coatings and plastic coloration. Excellent solubility and batch consistency for stable color performance.

TRADE NAME:

Neozapon Yellow 157,Technosol Yellow R,Valifast Yellow 4126,Rosafast Yellow MR

What are the core characteristics and advantages of Solvent Yellow 82?

Solvent Yellow 82 exhibits four prominent advantages that make it competitive in the solvent dye market:

  • Distinct and stable hue: It presents as a uniform bluish yellow powder, with a bright and saturated color that rarely deviates during processing. Its tinting strength maintains consistency within 95-105% compared to standard samples, ensuring batch-to-batch color uniformity in mass production.
  • Exceptional fastness performance: It boasts outstanding light fastness of 7-8 grade (on a scale of 1-8, with 8 being the highest), enabling long-term color retention under outdoor or intense light conditions. Its acid and alkali resistance both reach 4-5 grade, remaining stable in slightly acidic or alkaline environments.
  • Superior solubility: It demonstrates excellent solubility in various organic solvents—500 g/L in butyl cellosolve, ethyl cellosolve, toluene, and DMF; 450 g/L in xylene and methanol; and 400 g/L in n-butanol and ethanol. This ensures no precipitation in solvent-based systems, even at high concentrations.
  • Reliable thermal stability: With a heat resistance of 190°C, it can withstand the processing temperatures of most solvent-based coatings, inks, and general plastics without thermal decomposition or color darkening.‍

Applications of Solvent Yellow 82

Mainly used for solvent based transparent printing ink,Aqueous or solvent stains and other coatings,Ball pen and solvent inks,Aluminium foil and other metals transparent dyeing,Paper dyeing,Holographic film and transferable aluminium foil,Shoes shine dyeing,Purl, stayguy and high quality laser metallized film,Flashing paint and temperature resisted solvent dye,Natural and synthetic leather dyeing.

Specific applications of Solvent Yellow 82

Leveraging its comprehensive performance, Solvent Yellow 82 has been widely applied in three major industrial fields, supported by practical application data:

  • Solvent-based printing inks: As a core colorant for transparent solvent-based inks, it is primarily used in packaging printing (e.g., cosmetic boxes, high-end labels) and specialty printing. Its high transparency and color saturation ensure clear and vivid printed patterns.
  • Wood and specialty coatings: It is widely used in solvent-based wood stains and varnishes, including high-end applications like violin varnish, due to its ability to penetrate wood fibers and provide a natural, bright yellow finish. It also performs well in metal surface decorative coatings.
  • Plastic and textile auxiliary coloring: Suitable for coloring general plastics (PP, PE) used in daily necessities such as stationery and plastic containers. In textiles, it serves as an auxiliary colorant for solvent-based polyester dyeing, enhancing color depth.‍

Technical Specifications

  • ‍CAS NO: 12227-67-7
  • CI.NO: Solvent Yellow 82
  • Chemical Family: Monoazo series, Metal Complex
  • Molecular Formula: C17H13N4NaO3
  • Molecular Weight: 344.3
  • Shade: bluish yellow powder‍

Density(g/cm3)

1.26

Melting Point(°C)

180

Light Fastness

7-8

Heat resistance

190

Methanol

450

Ethanol

400

Ethyl acetate

400

DMF

500

M.E.K

500

Butyl cellosolve

500

Ethyl cellosolve

500

N-Butanol

400

Toluene

500

Xylene

450

Package

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

What solvents is Solvent Yellow 82 most soluble in?

It dissolves well in aromatic solvents such as toluene and xylene, and many chlorinated solvents. Solubility depends on concentration and temperature — always test under your process conditions.

Can Solvent Yellow 82 be used in PVC or polyolefins?

Solvent dyes are generally suitable for non-polar polymer matrices when introduced via melt-processing or solvent incorporation. Compatibility should be confirmed with application tests for colorfastness and migration.

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