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Food black 2 27755 diazo 2118-39-0: Blue MX-R: Reactive blue 4 61205 anthraquinone 13324-20-4: BODIPY: Dipyrrometheneboron difluoride 138026-71-8: Brazilin/Brazilein: Natural red 24 75280 natural 474-07-7: Brilliant Black BN: Food Black 1 28440 diazo 2519-30-4: Brilliant blue FCF: Erioglaucine FD&C Blue No. 1 Acid blue 9 Food blue 2 42090 ...
Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources—roots, berries, bark, leaves, and wood—and other biological sources such as fungi. [1] Archaeologists have found evidence of textile dyeing dating back to the Neolithic period.
Download as PDF; Printable version ... Pages in category "Organic pigments" The following 45 pages are in this category, out of 45 total. This list may not reflect ...
Here are 10 popular foods that often contain chemicals and artificial food dyes so you can know what to look for when you're at the store. Plus, we've included some healthier, chemical-free brands ...
One other class that describes the role of dyes, rather than their mode of use, is the food dye. Because food dyes are classed as food additives, they are manufactured to a higher standard than some industrial dyes. Food dyes can be direct, mordant and vat dyes, and their use is strictly controlled by legislation.
A variety of food colorings, added to beakers of water. Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking.
Aluminum pigments. Ultramarine (PB29): a synthetic or naturally occurring sulfur containing silicate mineral - Na 8–10 Al 6 Si 6 O 24 S 2–4 (generalized formula); Persian blue: made by grinding up the mineral Lapis lazuli.
Also called direct dyes, substantive dyes are employed for cellulose-based textiles, which includes cotton. The dyes bind to the textile by non-electrostatic forces. In another classification, azo dyes can be classified according to the number of azo groups. Trypan blue is an example of a direct dye, used for cotton.
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