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Acid Yellow 194(CAS:61814-52-6)

Acid Yellow 194

Name:C.I.Acid Yellow 194

Molecular Structure: Azo,1:2 chromium complex

Molecular Formula:

Molecular Weight:

CAS Registry Number:61814-52-6

Manufacturing Methods :

Properties and Applications: Red light yellow. Can be used for wool, silk and polyamide fiber dyeing, also can be used for leather color.

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

5-6

4-5

5

4-5

  

4-5

4

Introduction

Acid Yellow 194, also known by its Color Index (C.I.) designation as Acid Yellow 194, is a type of dye classified as an azo compound with a 1:2 chromium complex. This dye is primarily utilized for dyeing wool, silk, polyamide fibers, and leather, imparting a reddish-yellow hue.

Chemical Structure and Composition

  • Molecular Structure: Azo, 1:2 chromium complex
  • Molecular Formula: Not provided
  • Molecular Weight: Not provided
  • CAS Registry Number: 61814-52-6

Manufacturing Methods

The specific manufacturing methods to produce Acid Yellow 194 are not detailed in the provided information.

Properties and Applications

Acid Yellow 194 exhibits a reddish-yellow coloration. Its application includes dyeing wool, silk, polyamide fibers, and leather. The dyeing process with Acid Yellow 194 imparts a distinctive hue to the fibers or leather.

Physical and Chemical Characteristics

  • Color: Reddish-yellow
  • Solubility: Not provided
  • Compatibility Value: Not provided

Applications

Fiber Dyeing

Acid Yellow 194 is employed for dyeing various types of fibers, including:

  • Wool: The dye is compatible with wool fiber, achieving the desired reddish-yellow coloration.
  • Silk: Acid Yellow 194 effectively dyes silk fibers, imparting the intended hue.
  • Polyamide: This dye is suitable for dyeing polyamide fibers, ensuring the desired color saturation.

Leather Coloring

Acid Yellow 194 is also used in the leather industry to achieve a reddish-yellow tint.

Standards and Fastness Properties

The fastness properties of Acid Yellow 194 are vital indicators of its performance and durability under different conditions. These properties include light fastness, soaping fastness, perspiration fastness, oxygen bleaching fastness, fastness to seawater, fading, and stain resistance.

Standard Fastness Properties

  • Light Fastness: 5-6 (ISO standard)
  • Soaping Fastness: 4-5 (ISO standard)
  • Perspiration Fastness: 5 (ISO standard)
  • Oxygen Bleaching Fastness: 4-5 (ISO standard)
  • Fastness to Seawater: 4-5 (ISO standard)
  • Fading: 4 (ISO standard)
  • Stain Resistance: 4 (ISO standard)

Conclusion

Acid Yellow 194, characterized by its reddish-yellow coloration, is an azo compound forming a 1:2 chromium complex. Primarily used in dyeing wool, silk, polyamide fibers, and leather, this dye imparts a vibrant and distinctive hue to the materials. Its notable fastness properties, as per ISO standards, make it a reliable choice for various applications, ensuring color stability and resistance to fading and staining. Further information regarding its chemical composition, molecular formula, and manufacturing methods would be necessary for a comprehensive understanding of this dye.

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