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  2. Hydrogen sulfide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_sulfide

    Hydrogen sulfide is a chemical compound with the formula H 2 S.It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with trace amounts in ambient atmosphere having a characteristic foul odor of rotten eggs. [11]

  3. That rotten egg smell could be a gas leak. What can you do to ...

    www.aol.com/news/rotten-egg-smell-could-gas...

    Mercaptan is a harmless chemical that smells like sulfur or rotten eggs that utility companies add to natural gas to make it easier to detect leaks, according to Healthline, a medical information ...

  4. Phantosmia - Wikipedia

    en.wikipedia.org/wiki/Phantosmia

    Phantosmia (phantom smell), also called an olfactory hallucination or a phantom odor, [1] is smelling an odor that is not actually there. This hallucination is intrinsically suspicious as the formal evaluation and detection of relatively low levels of odour particles is itself a very tricky task in air epistemology.

  5. An invisible gas that smells like 'rotten flesh sitting in ...

    www.aol.com/news/invisible-gas-smells-rotten...

    Los Angeles County officials attribute the foul odor to a toxic, colorless gas called hydrogen sulfide. An invisible gas that smells like 'rotten flesh sitting in the sun' is causing headaches and ...

  6. Sulfur water - Wikipedia

    en.wikipedia.org/wiki/Sulfur_water

    Sulfur water (or sulphur water) is a condition where water is exposed to hydrogen sulfide gas, giving it a distinct "rotten egg" smell. This condition has different purposes in culture varying from health to implications for plumbing.

  7. Scientists find a molecule never before found outside our ...

    www.aol.com/nearby-exoplanet-reeks-rotten-eggs...

    An exoplanet where rain made of glass flies through the atmosphere was hiding another secret: It has an atmosphere that smells like rotten eggs.

  8. Bad breath - Wikipedia

    en.wikipedia.org/wiki/Bad_breath

    When left on the tongue, the anaerobic respiration of such bacteria can yield either the putrescent smell of indole, skatole, polyamines, or the "rotten egg" smell of volatile sulfur compounds (VSCs) such as hydrogen sulfide, methyl mercaptan, allyl methyl sulfide, and dimethyl sulfide. The presence of halitosis-producing bacteria on the back ...

  9. Once it washes ashore, the seaweed starts to rot and releases hydrogen sulfide gas, which smells like nasty, rotten eggs. What type of health problems can hydrogen sulfide cause?