Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene. Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3.

Mustard gas or sulfur mustard are names commonly used for the organosulfur chemical compound bis (2-chloroethyl) sulfide, which has the chemical structure S (CH 2 CH 2 Cl) 2, as well as other species.

May 13, 2015 · People craved colors as never before, and the vivacious green was in special demand. One day, a Swedish scientist Carl Wilhelm Scheele prepared a bright green compound by mixing sodium arsenite with copper sulfate and named it Scheele’s green.

Jun 16, 2020 · Learn more about the color green and how it went from being seen as an arduous and dangerous hue to one that represents nature and wealth. People have tried for centuries to make a truly green pigment. In ancient Egypt, green was the symbol of regeneration and rebirth.

Mar 11, 2018 · In 1775, a new pigment was developed called Scheele's Green– a bright and attractive hue unlike anything of its kind. In 1814, a new-and-improved version was invented and widely known as Paris...

In Block N Load, Eliza Doolally's poison gas is bright green. In Bloons Tower Defense, Bloon Dissolver and Bloon Liquefier glue are green in colour. In Bravium, the poison from both the enemies and the playable characters' attacks is always green. In Castle Crashers the poison is green, and the Green Knight can use poisonous attacks.

Jun 19, 2005 · All gases that I know of which have a color are quite toxic and corrosive. (NO2, Cl2, Br2, I2, etc. etc.). Of those gases, only Cl2 can be considered 'green', but if you had enough of it to see the green color, you'd be dead if you were close enough to inhale it.

Feb 26, 2010 · Almost 80 years later, a Swedish chemist mixed Berlin Blue with an acid solution, heated the witchy, foaming result, and produced a colorless gas, undetectable but for a faint smell of bitter...

Poison Gases. All of these gases are dangerous due to toxicity. Some are dangerous via other qualities as well (flammable, reactive....). REQUIRING WRITTEN APPROVAL ARE -- the white boldface on red background gases.

Jul 9, 2024 · Carbon monoxide is a colorless and odorless gas, so it does not cause any immediate visible effects on the body. However, there are some signs that may be seen in a person who has died from carbon monoxide poisoning, although they are not specific to …