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Solvent Yellow 79

Solvent Yellow 79 is a metal-complex solvent dye (greenish-yellow shade) designed for transparent and tinted systems. It shows excellent solubility in alcohols, ketones and esters, good compatibility with many resins, high tinting strength and improved fastness to light and heat compared with conventional solvent dyes.

TRADE NAME:

Neozapon Yellow 081,Neozapon Yellow GG,Savinyl Yellow 2GLS,Vali Fast Yellow 3150

Key Features & Benefits

  • Bright greenish-yellow shade with high tinting strength.
  • Excellent solubility in polar organic solvents (alcohols, ketones, esters).
  • Good heat resistance for baking finishes and high-temperature processing.
  • Strong compatibility with alkyds, nitrocellulose, acrylics and other synthetic resins.
  • Widely used across inks, coatings, plastics, leather and wood stains.

Applications of Solvent Yellow 79

Common application areas where Solvent Yellow 79 is used:

  • Transparent and solvent-based clear coats and wood stains
  • Printing inks (solvent inks, flexo, gravure)
  • Plastics colouring for PVC, ABS, PMMA (when suitable for base polymer)
  • Leather finishes and coatings
  • Hot-stamping foils, aluminium foil colouring, stationery inks

Technical Specifications

  • ‍CAS NO: 12237-31-9
  • CI.NO: solvent yellow79
  • Chemical Family: Monoazo series, Metal Complex
  • Shade: bluish yellow powder‍

Density(g/cm3)

1.35

Light Fastness

5.0

Alcohol

100

1- methoxy-2-propanol

300

N-propanol

100

2- ethoxyethanol

500

M.E.K

500

Package

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

Handling, Safety & Storage (summary)

This summary does not replace the Safety Data Sheet (SDS). Always consult the SDS before use.

  • Avoid inhalation of dust; use local exhaust ventilation and PPE.
  • Store in a cool, dry place away from strong oxidizers and ignition sources.
  • Keep bags/sealed containers tightly closed to avoid moisture uptake.
  • Dispose according to local regulations; avoid release to drains.

How to Use (quick guidance)

For solvent-based coatings: pre-dissolve the dye in a compatible solvent (e.g., ethanol, ethyl acetate, MEK) to make a masterbatch or concentrate before addition. Begin with low dosages and adjust to meet shade/tinting strength requirements. Run lab trials for final formulations.

What solvents is Solvent Yellow 79 soluble in?

Solvent Yellow 79 shows excellent solubility in many polar organic solvents — e.g., ethanol, MEK, ethyl acetate and toluene. Compatibility depends on formulation; lab testing is recommended.

Can Solvent Yellow 79 be used in thermoplastics?

Yes, for some polymers (PVC, ABS, PS) — compatibility and migration must be tested for end-use (especially food-contact or medical applications).

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