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  2. Toluene - Wikipedia

    en.wikipedia.org/wiki/Toluene

    Toluene is also found in cigarette smoke and car exhaust. If not in contact with air, toluene can remain unchanged in soil or water for a long time. [39] Toluene is a common solvent, e.g. for paints, paint thinners, silicone sealants, [40] many chemical reactants, rubber, printing ink, adhesives (glues), lacquers, leather tanners, and ...

  3. 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 ...

  4. Limonene - Wikipedia

    en.wikipedia.org/wiki/Limonene

    As the main fragrance of citrus peels, D-limonene is used in food manufacturing and some medicines, such as a flavoring agent to mask the bitter taste of alkaloids, and as a fragrance in perfumery, aftershave lotions, bath products, and other personal care products. [1] (+)-Limonene is also used as a botanical insecticide.

  5. Are scented candles bad for you? Find out before you finish ...

    www.aol.com/news/scented-candles-bad-finish...

    One of the VOCs often emitted from candles is toluene, a clear, colorless vaporized liquid that has a distinctive smell and naturally occurs in crude oil. ... Like candles, essential oils are not ...

  6. 7 scents to wear right now, according to professional perfumers

    www.aol.com/7-scents-wear-now-according...

    The category includes anything that's meant to smell like food. "I think it's incredibly accessible to customers," she said, adding that most people know what vanilla, honey, or caramel notes ...

  7. Should you throw out your black plastic cooking utensils? - AOL

    www.aol.com/lifestyle/black-plastic-spatulas...

    We still don’t know how much of the chemicals actually make their way into the food." And of the amount that does make it into food, only a certain portion will be taken in by the body, Alan says.

  8. 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.

  9. Volatile organic compound - Wikipedia

    en.wikipedia.org/wiki/Volatile_organic_compound

    Dermal exposure to VOCs like formaldehyde and toluene downregulate antimicrobial peptides on the skin like cathelicidin LL-37, human β-defensin 2 and 3. [66] Xylene and formaldehyde worsen allergic inflammation in animal models. [67] Toluene also increases the dysregulation of filaggrin: a key protein in dermal regulation.