Acid Blue 80, also known as Acid Blue AS, is a synthetic dye that belongs to the class of acid dyes. It is commonly used in various industries, including textile, paper, and leather, for dyeing purposes. Here are some properties of Acid Blue 80:

Chemical Formula: The chemical formula of Acid Blue 80 is C37H34N2Na2O9S3.

Molecular Weight: The molecular weight of Acid Blue 80 is approximately 788.8 g/mol.

Appearance: Acid Blue 80 typically appears as a dark blue powder or granules.

Solubility: Acid Blue 80 is soluble in water. It forms a clear, blue solution when dissolved.

pH Sensitivity: Acid Blue 80 is an acid dye, and its color intensity is affected by the pH of the solution. It generally provides a stable blue shade in the pH range of 3 to 6.

Fastness Properties: Acid Blue 80 exhibits good lightfastness, which means it can resist fading when exposed to light. It also shows moderate to good washfastness and moderate wet fastness.

Applications: Acid Blue 80 is primarily used for dyeing wool, silk, nylon, and other protein-based fibers. It is also used in the production of inks, paints, and colorants for various industries.

Environmental Impact: Like many synthetic dyes, Acid Blue 80 can have an environmental impact due to its persistence in water and potential toxicity. Efforts are being made in the industry to develop more eco-friendly and sustainable dyes.