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Acid Dyes Colors

acid Dyes

Acid dyes are anionic, soluble in water and are essentially applied from acidic bath. These dyes possess acidic groups, such as SO3H and COOH and are applied on wool, silk and nylon when the ionic bond is established between the protonated

1. acid violet 4BS:

basic information:

  • Type: Acid Dyes, Acid Violet Dyes

  • Product Name: Acid  Violet 49, Acid Violet4bs

  • Color Index: 42640

  • CAS No.: 1694-09-3

  • EINECS: 216-901-9

  • Molecular Formula: C39H40N3NAO6S2

Relative name:

Acid violet 4bs;Acid violet 5B; Acid violet 6B, Acid violet 2;Classic Acid violet 49

Shade:

Bright Blue Purple powder, good quality sellswell in EU markets such as Italy

Properties:

Violet Powder.It is easy to dissolvein cold & hot water (purple). Solublein ethanol (purple).

ACID VIOLET 4BS (ACID VIOLET 49)

Applications:

TEXTILE APPLICATION
LEATHER APPLICATION
INK APPLICATION

2. Acid Yellow 73

General Properties:

  • Type: Acid Dyes, Acid Yellow Dyes

  • Product Name: Acid  Yellow 73, Uranine Yellow / Soap Yellow

  • Color Index: 45350

  • CAS No.: 518-47-8

  • EINECS: 208-253-0

  • Molecular Formula: C20H12O5.2Na

Relative name:

Acid Yellow 73;Fluorescein Sodium; Uranine Yellow; Acid Fluoresceine; Soap Yellow

Shade:

Bright Blue Purple powder, good quality sellswell in EU markets such as Italy

Properties:

Solubility            –       Very Good

Light fastness    –        Good-Very Good

Application:

Most suitable for soap and Detergent Industries, Leather and as Food Color Applicable on Polyamides and other types of coloration.

ACID YELLOW 73 (SOAP YELLOW)

Applications:

soap & detergent APPLICATION
LEATHER APPLICATION
FOOD APPLICATION

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