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  2. Toluene - Wikipedia

    en.wikipedia.org/wiki/Toluene

    Toluene is widely used in the paint, dye, rubber, chemical, glue, printing, and pharmaceutical industries as a solvent. [38] Nail polish, paintbrush cleaners, and stain removers may contain toluene. Manufacturing of explosives (TNT) uses it as well. Toluene is also found in cigarette smoke and car exhaust.

  3. Fluorescein - Wikipedia

    en.wikipedia.org/wiki/Fluorescein

    The dye can also be added to rainwater in environmental testing simulations to aid in locating and analyzing any water leaks, and in Australia and New Zealand as a methylated spirit dye. As fluorescein solution changes its color depending on concentration, [ 26 ] it has been used as a tracer in evaporation experiments.

  4. What Foods and Products Have Red Dye No. 3, and Why Did ...

    www.aol.com/foods-products-red-dye-no-113000079.html

    “The potential issue with food additives like red dye No. 3 is their association with health concerns, including potential links to hyperactivity in children,” says Daniel Ganjian, M.D., a ...

  5. How to Make Natural Food Coloring Using Everyday Ingredients

    www.aol.com/natural-food-coloring-using-everyday...

    Like any other food dye, natural food coloring comes in two forms: liquid or powdered. It’s all a matter of which ingredient you’re using to make the dye. It’s all a matter of which ...

  6. What is artificial food dye? - AOL

    www.aol.com/finance/kellogg-under-fire-using...

    Artificial food dye is an additive used to color a product. “The dye is artificial if it originates from a nonfood source,” explains Jamie Alan, PhD , an associate professor of pharmacology ...

  7. Odor detection threshold - Wikipedia

    en.wikipedia.org/wiki/Odor_detection_threshold

    The odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell. The threshold of a chemical compound is determined in part by its shape, polarity, partial charges, and molecular mass. The olfactory mechanisms responsible for a compound's different detection threshold is not ...

  8. Dye in Doritos used in experiment that, like a 'magic trick ...

    www.aol.com/news/dye-doritos-used-experiment...

    Scientists have used a food coloring dye used in Doritos and other products to create mice with see-through skin, a low-cost way to assess the body's internal operations.

  9. Cresol - Wikipedia

    en.wikipedia.org/wiki/Cresol

    Like other types of phenols, they are slowly oxidized by exposure to air, and the resulting impurities often give the samples a yellow to brownish red tint. Cresols have an odor characteristic to that of other simple phenols, reminiscent to some of a " coal tar " smell.