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Acetone systematically named propanone is the organic compound with the formula CH 3 2 CO. It is a colorless, mobile, flammable liquid, and is the simplest ketone. Acetone is miscible with water and serves as an important solvent in its own right, typically for cleaning purposes in the laboratory. It is mainly for use as a solvent and production of methyl methacrylate and bisphenol A. It is a common building block in organic chemistry. Familiar household uses of acetone are as the active ingredient in nail polish remover and as paint thinner. Acetone is produced and disposed of in the human body through normal metabolic processes. It is normally present in blood and urine. People with diabetes produce it in larger amounts. Reproductive toxicity tests show that it has low potential to cause reproductive problems. Pregnant women, nursing mothers and children have higher levels of acetone. Ketogenic diets that increase acetone in the body are used to reduce epileptic attacks in infants and children who suffer from recalcitrant refractory epilepsy. Acetone is produced directly or indirectly from propylene. In the cumene process, benzene is alkylated with propylene to produce cumene, which is oxidized by air to produce phenol and acetone: Other processes involve the direct oxidation of propylene Wacker-Hoechst process , or the hydration of propylene to give 2-propanol, which is oxidized to acetone. Previously, acetone was produced by the dry distillation of acetates, for example calcium acetate in ketonic decarboxylation. Este un lichid incolor, inflamabil si este cea mai simpla cetona. Acetona este miscibila in apa si este utilizata in general ca solvent, in mod tipic pentru sterilizare in laborator. De asemenea este utilizata pentru productia de metil metilacrilat si bisfenol A. Este o structura de baza in chimia organica. In utilizarea casnica, acetona este folosita ca ingredient activ in curatarea unghiilor si ca diluant pentru vopsele. Acetona este produsa si eliminata in corpul uman in timpul proceselor metabolice normale. Este prezenta in sange si urina in mod normal. Persoanele cu diabet produc acetona in cantitati mai mari. Testele de toxicitate asupra impactului in reproducere arata ca are un potential foarte scazut de a produce probleme de reproducere. Femeile gravide, mamele care alapteaza si copii au un nivel mai mare de acetona in organism. Diete ketogenice care cresc nivelul acetonei in organism sunt utilizate pentru a reduce atacurile epileptice la infanti si copii care sufera de epilepsie. Acetona este produsa direct sau indirect din propilena. In acest proces benzenul este alchilat cu propilena pentru a produce cumen, care este oxidat de aer pana la fenol si acetona: Alte procese de producere a acetonei implica oxidarea directa a propilenei procedeul Wacker-Hoechst , sau hidratarea propilenei la 2-propanol, care este oxidat apoi la acetona. In trecut acetona era produsa prin distilarea uscata a acetatilor, spre exemplu acetat de calciu in decarboxilare cetonica. The antibacterial and antifungal properties of the substance inhibit microbial growth for extended periods of time. The compound has also been abused recreationally and is sometimes used as an euthanizing agent. Chlorobutanol is formed by the simple nucleophilic addition of chloroform and acetone. The reaction is base driven by potassium or sodium hydroxide. Chemists usually combine chloroform and acetone to produce chlorobutanol, and the substance may appear as a yellow to bright white crystal powder with a distinct camphor aroma. The formulation might be manufactured as semi-hydrous or anhydrous but is typically highly flammable and must be maintained in a cool, dry, ventilated area with no flames. The solid is somewhat water soluble but dissolves more readily in alcohol. When used as a preservative, the concentration of chlorobutanol is typically only 0. Pharmaceutical preparations that often contain the substance include injectable medications, ear, eye, and nose drops, along with ointments and oral sedatives. Over-the- counter formulations that contain chlorobutanol can include ear, eye, and nose drops, along with facial cosmetics, mouthwash, and ointments. Though generally considered non- irritating, continuous topical use might cause skin or tissue irritation. Physical Properties: Solubility H2O - slightly soluble; soluble in alcohol, glycerol, freely soluble in chloroform, ether and volatile oils Boiling Point C mm. The anhydrous form is hygroscopic and should be protected from prolonged exposure to ambient air. Storage: Chlorobutanol should be stored in cool, well ventilated areas away from flammable materials and sources of heat and flame. Chlorobutanol should be stored so as to minimize the risk of damage to and leakage from containers. It should be stored in closed containers to prevent prolonged exposure to air away from animal or human food stuffs. Proprietatile antibacteriene si antifungice ale substantei inhiba cresterea microbiala pe o perioada foarte lunga de timp. Compusul este de asemenea utilizat ca agent de eutanasiere. Clorobutanolul este format prin aditia nucleofila a cloroformului si acetonei. Reactia este catalizata de hidrooxidul de sodiu sau de potasiu. Chimistii in general combina cloroform si acetona pentru a produce clorobutanol iar substanta are aspectul de cristale galbene spre alb stralucitor cu o aroma distincta de camfor. Substanta poate fi fabricata ca anhidra, dar in mod tipic este foarte inflamabila si trebuie mentinuta intr-un mediu rece, uscat, ventilat si fara flacara deschisa. Substanta in forma solida este solubila in apa dar se dizolva mult mai bine in alcool. Cand este utilizat ca si conservant, concentratia clorobutanolului in mod uzual este de numai 0. Preparatele farmaceutice care contin in mod normal clorobutanolul includ medicamentele injectabile, picaturile de ochi, urechi si nas, unguente si unele sedative orale. Desi in general este considerat non-iritant, utilizarea frecventa poate cauza iritatii ale pielii sau tesuturilor. Proprietati fizice: Solubilitatea H 2 O slab solubil in apa, solubil in alcool, glicerol, cloroform, eter si uleiuri volatile; Punctul de fierbere C mm. Forma anhidra este higroscopica si trebuie protejata de expuneri prelungite la mediul ambiant. Depozitarea: Clorobutanolul trebuie depozitat in zone reci, bine ventilate, departe de materiale inflamabile, surse de caldura si flacari. Clorobutanolul trebuie pastrat in acest fel pentru a minimiza riscul de scurgeri din containere. De asemenea trebuie depozitat in containere inchise pentru a preveni expunerea prelungita la aer. Open navigation menu. Close suggestions Search Search. User Settings. Acetona en. Uploaded by Dan. Acetone is an organic compound that is a colorless, flammable liquid. It is produced and disposed of through normal human metabolic processes and is commonly used as a solvent. Acetone has household uses as nail polish remover and paint thinner and is also involved in industrial production of other chemicals. AI-enhanced title and description. Document Information click to expand document information Acetone is an organic compound that is a colorless, flammable liquid. Original Description: Acetona, material tradus si utilizat pentru un referat. 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