HC YELLOW 4

HC Yellow 4 occurs as a viscous oily liquid with a bitter, acrid odor reminiscent of quinine and has the appearance of melted butter. HC YELLOW 4 is a coloring agent in paints. It is best known for its bright yellow color, but it can also be mixed to create browns and greens.

It creates yellow when heated with ferrous chloride or potassium dichromate in the presence of air. HC Yellow4 has many nicknames, including Acid Yellow Sulfur Dioxide; 씨 17200; Pigment Yellow I (PY 1); Sacchrominion Bolorant (formerly Permanizing Color 46). it was not only environmentally safe but also highly water-soluble.

In manufacturing, it is derived from either sulfur dichloride or hydrogen dioxide dioximato by both methods producing the same product.

Applications of HC YELLOW 4 include food coloring, 의약품, and photography developers for black and white film processing.

In some countries, it is an approved food additive under various E numbers with various restrictions on usage. It can use it in paper, dye, 플라스틱. It will often not appear in the ingredient list of goods because it has been added to other ingredients to fortify an assortment of colors.

This pigment is also used in print media because of its resistance to fade (pigment only degrades under conditions where there are contacts or pressure with another material). It is also used as a colorant in plastic packaging and laminates such as Styrofoam cups.