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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]
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 ...
Ethanethiol (EM), commonly known as ethyl mercaptan is used in liquefied petroleum gas (LPG) and resembles odor of leeks, onions, durian, or cooked cabbage; Methanethiol, commonly known as methyl mercaptan, is added to natural gas as an odorant, usually in mixtures containing methane. Its smell is reminiscent of rotten eggs or cabbage.
Once a lake is saturated, it is very unstable and it gives off a smell of rotten eggs and gunpowder, but a trigger is needed to set off an eruption. [10] In the case of the 1986 Lake Nyos eruption, landslides were the suspected triggers, but a volcanic eruption, an earthquake , or even wind and rain storms can be potential triggers.
A rotten boiled egg may also have a sulfuric smell, adds Marcus. The bottom line on hard-boiled eggs: “If the egg is slimy, mushy or smells bad, toss it,” says Steele. How to Tell if Eggs Are ...
Generally, once you’ve cracked an egg, you'll know immediately if it's unsafe, as it will smell terrible. But if you notice any sort of scent, it's best to throw the egg away. Fresh eggs have ...
A hydrogen odorant in any form, is a minute amount of odorant such as ethyl isobutyrate, with a rotting-cabbage-like smell, that is added to the otherwise colorless and almost odorless hydrogen gas, so that leaks can be detected before a fire or explosion occurs. Odorants are considered non-toxic in the extremely low concentrations occurring in ...
The planet known as HD 189733b, discovered in 2005, already had a reputation as a rather extreme place, a scorching hot gas giant a bit larger than Jupiter that is a striking cobalt blue color and ...