Solvent Yellow 14

1. Basic Properties

· Chemical Name: Solvent Yellow 14

· Other Names: C.I. Solvent Yellow 14, Oil Yellow, Sudan Yellow (historical)

· CAS Number: 842-07-9

· Appearance: Yellow to orange-yellow powder or solid. It is soluble in organic solvents (e.g., alcohols, esters, oils) but insoluble in water.

2. Primary Uses

· Industrial Coloring Agent: Widely used for dyeing non-aqueous systems such as oils, waxes, plastics, rubber, coatings, and inks.

· Laboratory Applications: Historically used as a stain in microscopy or biological sample preparation, but largely phased out due to toxicity concerns.

· Special Note: It may appear in low-cost industrial products (e.g., cheap paints, solvent dyes) but is not approved for use in food, cosmetics, or pharmaceuticals.

3. Safety and Toxicity

· Health Risks: Suspected to have potential carcinogenic effects (especially on the liver and bladder). Prolonged exposure may pose health hazards.

· Environmental Impact: Poor biodegradability; may be toxic to aquatic life.

· Strictly regulated in the EU, USA, and other regions for consumer goods.

contacting the human body.

4. Handling Precautions

· Industrial Use: Wear protective equipment (gloves, goggles) and ensure adequate ventilation.

· Waste Disposal: Treat as hazardous chemical waste to avoid environmental contamination.

· Alternatives: Modern industry increasingly replaces Solvent Yellow 14 with safer, eco-friendly dyes.

5. Summary

Solvent Yellow 14 is a traditional azo solvent dye valued for its low cost and strong coloring power in industrial applications. However, due to its potential toxicity and environmental risks, it is essential to handle it with caution and comply with relevant regulations. Safer alternatives are recommended for on going use.

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