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  1. Colorless
    • According to 3 sources
    Hydrogen sulfide and its solutions are colorless.
    Hydrogen sulfide (H 2 S) is a dense, colorless gas.
    Hydrogen sulfide is a colorless, flammable, highly toxic gas. It is shipped as a liquefied, compressed gas. It has a characteristic rotten-egg odor that is detectable at concentrations as low as 0.5 ppb.
     
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    Hydrogen sulfide - Wikipedia

    Hydrogen sulfide is a chemical compound with the formula H2S. 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. Swedish chemist Carl Wilhelm Scheele is credited with having … See more

    Hydrogen sulfide is slightly denser than air. A mixture of H2S and air can be explosive.
    Oxidation
    In general, hydrogen … See more

    Hydrogen sulfide in the natural environment image

    The underground mine gas term for foul-smelling hydrogen sulfide-rich gas mixtures is stinkdamp. Hydrogen sulfide is a highly See more

    Hydrogen chalcogenide – any binary compound of hydrogen with chalcogens, including hydrogen polychalcogenides
    Hydrogen sulfide chemosynthesis
    Sewer gas – Gases produced and collected in sewer systems See more

    Overview image
    Uses image

    Hydrogen sulfide is most commonly obtained by its separation from sour gas, which is natural gas with a high content of H2S. It can also be produced by treating hydrogen with … See more

    Production of sulfur
    Hydrogen sulfide is mainly consumed as a precursor to elemental sulfur. This conversion, called the Claus process, involves partial … See more

    Microbial: The sulfur cycle
    Hydrogen sulfide is a central participant in the sulfur cycle, the biogeochemical cycle of sulfur on Earth.
    In the absence of See more

    • Committee on Medical and Biological Effects of Environmental Pollutants (1979). Hydrogen Sulfide. Baltimore: University Park Press. ISBN 978-0-8391-0127-7.
    • Siefers, Andrea (2010). A novel and cost-effective hydrogen … See more

     
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  4. Public Health Statement for Hydrogen Sulfide - Centers for …

  5. Hydrogen Sulfide - Overview - Occupational Safety and Health …

  6. Hydrogen sulfide - NIST Chemistry WebBook

  7. Hydrogen sulfide | chemical compound | Britannica

  8. Hydrogen sulfide - NIST Chemistry WebBook

    WEBFormula: H 2 S. Molecular weight: 34.081. IUPAC Standard InChI:InChI=1S/H2S/h1H2 Copy. IUPAC Standard InChIKey:RWSOTUBLDIXVET-UHFFFAOYSA-N Copy. CAS Registry …

  9. Hydrogen sulfide H2S - Chemistry Online

    WEBApr 22, 2024 · Hydrogen sulfide is responsible for the blackening of some lead carbonate-based paints by the formation of plumbosulfide (lead sulfide II), (PbS), which is black in color. Hydrogen sulfide is a starting …

  10. Hydrogen sulfide - American Chemical Society

    WEBJul 6, 2015 · Hydrogen sulfide (H 2 S) is a dense, colorless gas. At low concentrations, it has a characteristic “rotten egg” odor; at high concentrations, it is extremely toxic and even explosive. It is abundant in …

  11. Hydrogen sulfide - Thermophysical Properties - The …

    WEBHydrogen sulfide, H2S, is a highly toxic and flammable, colorless gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. It is heavier than …