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Reagent Chemicals [a] is a publication of the American Chemical Society (ACS) Committee on Analytical Reagents, [1] detailing standards of purity for over four hundred of the most widely used chemicals in laboratory analyses and chemical research. Chemicals that meet this standard may be sold as "ACS Reagent Grade" materials.
Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.
Acetone, commonly found as a fraction of nail polish remover (or at hardware stores in pure form), is a widely available solvent capable of softening cured cyanoacrylate. [36] Other solvents include nitromethane , dimethylformamide , [ 37 ] dimethyl sulfoxide , and methylene chloride . [ 38 ]
Vapor pressure of acetone based on formula, = + from Lange's Handbook of Chemistry, 10th ed. vapor pressure of acetone (log scale) based on formula, log 10 P m m H g = 7.02447 − 1161.0 224 + T {\displaystyle \scriptstyle \log _{10}P_{mmHg}=7.02447-{\frac {1161.0}{224+T}}} from Lange's Handbook of Chemistry , 10th ed.
It decomposes at a moderate reaction rate into acetone and carbon dioxide: CH 3 C(O)CH 2 CO 2 H → CH 3 C(O)CH 3 + CO 2. The acid form has a half-life of 140 minutes at 37 °C in water, whereas the basic form (the anion) has a half-life of 130 hours. That is, it reacts about 55 times more slowly. [8]
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