379, http://www.sciencemadness.org/smwiki/index.php?title=Dichloromethane&oldid=10571, Chemical pages without CAS Registry Number, Chemical pages without DrugBank identifier, Articles containing unverified chemical infoboxes, GNU Free Documentation License 1.3 or later, None, but can form flammable vapour-air mixtures above 100 °C. Dichloromethane is not typically used as a reagent; its use focuses more on its physical properties, such as solvation properties and its low boiling point. ; Levinskii, M.I. Units of solubility are given in grams per 100 grams of solvent (g/100 g). It is a commonly used nonpolar laboratory solvent. Methylene chloride; (Dichloromethane) (75-09-2). The donor hydrogen-bonding corrections of methylene chloride in these thermodynamic studies has been reported. Applications (ref. water (2) in dichloromethane (1) are presented in the Table 2. 34), McGovern (ref. DuPont believes to be reliable. The measured solubility of Aleksandrova et al. 11), Bakowski and Treszczanovicz (ref. The output of these processes is a mixture of chloromethane, dichloromethane, chloroform, and carbon tetrachloride as well as hydrogen chloride as a byproduct. 29), Warner et al. This section provides a listing of alternate names for this chemical, For example, it is used to seal the casing of electric meters. This compound is liable to explode when mixed with dinitrogen pentaoxide or nitric acid. ; Treger, Yu.A. DCM's main use in the laboratory is as a nonpolar solvent, and is particularly associated with the extraction of alkaloids such as caffeine, as well as other plant extracts. [37] The reasons for this decline are unclear, but one unverified hypothesis is the presence of short-lived substances such as dichloromethane in the lower atmosphere. 3), and Sadovnikova et al. A colorless liquid with a sweet, penetrating, ether-like odor. It is subject to revision as This agent exhibits analgesic, antipyretic, and anticoagulant properties. 30), Howe et al. These workers had been working alone, in poorly ventilated bathrooms, with inadequate or no respiratory protection, and no training about the hazards of DCM. It is commonly referred to as "Di-clo.". The chemical compound's low boiling point allows the chemical to function in a heat engine that can extract mechanical energy from small temperature differences. The experimental data of Salkowski (ref. 16) are markedly higher than other results and are therefore rejected. (ref. been tested at a concentration of greater than 95% unless otherwise It is incompatible with alkali metals. Dichloromethane (DCM or methylene chloride) is an organochloride compound with the formula CH2Cl2. The salt will be much more soluble in water than in dichloromethane so when the aqueous solution comes in contact with the dichloromethane, the sodium move into the aqueous layer where it will be better solvated. (3) Distilled (compiler). [23] Acute exposure by inhalation has resulted in optic neuropathy[24] and hepatitis. Often sold as a main component of plastic welding adhesives, it is also used extensively by model building hobbyists for joining plastic components together. None of these processes, however, are easy or economical to perform in a home lab. Mixtures of this compound in air with methanol vapor are flammable. attached gloves, visors, etc. Unless specified, the acetone is considered anhydrous. (ref. Source and Purity of Materials: (1) Source and purity not given. 13), Donahue and Bartell (ref. Solubility [100 w1] = 58.838 – 0.38224 ( T /K) + 6.3928 × 10 –4 ( T /K) 2. DCM should be stored in dark glass bottles, away from light or any heat sources. Unless specified, the ethanol is considered anhydrous. The fabric permeation data was generated for DuPont by independent It can be used for most of the same purposes. (ref. 9), Vogel (ref. [38], "Di-clo" redirects here. [35] The U.S. Clean Air Act does not regulate dichloromethane as an ozone depleter. [14] Its volatility has led to its use as an aerosol spray propellant and as a blowing agent for polyurethane foams. The solubilities calculated from the distribution coefficients of Prosyanov et al. Svetlanov, E.B. Do this outside, as some DCM will evaporate. Website is owned by NIST (an agency of the U.S. Department of Commerce). After 2-3 hours  the solution became saturated and samples were taken periodically (ref. 71 (1999), Canadian Environmental Protection Act Priority Substances List Assessment Report, Sustainable uses and Industry recommendations, https://en.wikipedia.org/w/index.php?title=Dichloromethane&oldid=984473910, GABAA receptor positive allosteric modulators, Articles with dead external links from December 2016, Articles with permanently dead external links, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, -454.0 kJ/mol (from standard enthalpies of formation), None, but can form flammable vapour-air mixtures above ≈100 °C, 25 ppm over 8 hours (time-weighted average), 125 ppm over 15 minutes (, This page was last edited on 20 October 2020, at 07:59. The fitting equation used was: The equation represents the combined data with a standard deviation of 5.8 × 10–2 in the 253 to 313 K temperature range. Units of solubility are given in grams per 100 grams of solvent (g/100 g). and risk. [15][16]. (ref. 7), Karger et al. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. 38) were compiled or used for the smoothing equation. 6}. De l'action du chlore sur l'éther hydrochlorique de l'esprit de bois", "Ueber die Einwirkung des Chlors auf die Chlorwasserstoffäther des Alkohols und Holzgeistes und über mehrere Punkte der Aethertheorie", "Ueber die Wirkung des Chlors auf den Chlorwasserstoffäther des Alkohols und des Holzgeistes, so wie über mehrere Puncte der Aethertheorie", California Environmental Protection Agency, "Identification of bioactives from the red seaweed, "Fatal Exposure to Methylene Chloride Among Bathtub Refinishers — United States, 2000–2011", "Carbon monoxide poisoning secondary to inhaling methylene chloride", "Chemically induced hepatitis after inhaling organic solvents", "Toxicological Profile for Methylene Chloride", "COMMISSION REGULATION (EU) No 276/2010 (Official Journal of the European Union, L 86/7)", "Summary of Regulations Controlling Air Emissions from Paint Stripping and Miscellaneous Surface Coating Operations", "Questions and Answers on Ozone-Depleting Solvents and Their Substitutes", "Evidence for a continuous decline in lower stratospheric ozone offsetting ozone layer recovery", National Pollutant Inventory – Dichloromethane Fact Sheet, Dichloromethane at National Toxicology Program, IARC Summaries & Evaluations Vol.


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