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Carbon disulfide (also spelled as carbon disulphide) is an inorganic compound with the chemical formula CS 2 and structure S=C=S. It is also considered as the anhydride of thiocarbonic acid . [ 8 ] It is a colorless, flammable, neurotoxic liquid that is used as a building block in organic synthesis.
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/100 ml), unless shown otherwise.
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
Many secondary amines react with carbon disulfide and sodium hydroxide to form dithiocarbamate salts: [2] R 2 NH + CS 2 + NaOH → R 2 NCS − 2 Na + + H 2 O. Ammonia reacts with CS 2 similarly: 2 NH 3 + CS 2 → H 2 NCS 2 − NH 4 + Dithiocarbamate salts are pale colored solids that are soluble in water and polar organic solvents.
Sodium diethyldithiocarbamate typically crystallizes from water as the trihydrate NaS 2 CN(C 2 H 5) 2. 3H 2 O. The anhydrous salt and the trihydrate are often used interchangeably. [1] Sodium diethyldithiocarbamate is obtained by treating carbon disulfide with diethylamine in the presence of sodium hydroxide: CS 2 + HN(C 2 H 5) 2 + NaOH → NaS ...
Carbon, hydrogen, and oxygen are widely available respectively in carbon dioxide and in water. Although nitrogen makes up most of the atmosphere , it is in a form that is unavailable to plants. Nitrogen is the most important fertilizer since nitrogen is present in proteins ( amide bonds between amino acids ), DNA ( puric and pyrimidic bases ...
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
Carbonyl sulfide is also removed from the atmosphere by terrestrial vegetation by enzymes associated with the uptake of carbon dioxide during photosynthesis, and by hydrolysis in ocean waters. [ 6 ] [ 7 ] [ 8 ] Loss processes, such as these, limit the persistence (or lifetime) of a molecule of COS in the atmosphere to a few years.
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