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Xylene is used in the laboratory to make baths with dry ice to cool reaction vessels, [17] and as a solvent to remove synthetic immersion oil from the microscope objective in light microscopy. [18] In histology, xylene is the most widely used clearing agent. [19] Xylene is used to remove paraffin from dried microscope slides prior to staining.
Triton X-100 is soluble at 25 °C in water, toluene, xylene, trichloroethylene, ethylene glycol, ethyl ether, ethyl alcohol, isopropyl alcohol, and ethylene dichloride. Triton X-100 is insoluble in kerosene, mineral spirits, and naphtha, unless a coupling agent like oleic acid is used.
Organic Solvent or Inorganic Salt T (°C) Notes Dry ice: p-Xylene +13 [1] Dry ice: p-Dioxane +12 Dry ice: Cyclohexane +6 Dry ice: Benzene +5 Dry ice: Formamide +2 Ice: Water: 0 Ice: Ammonium chloride-5 0.3 to 1 ratio of salt to ice. Liquid N 2: Aniline-6 Ice: Sodium thiosulfate pentahydrate-8 1.1 to 1 ratio of salt to ice. Ice: Calcium chloride ...
p-Xylene (para-xylene) is an aromatic hydrocarbon. It is one of the three isomers of dimethylbenzene known collectively as xylenes . The p- stands for para- , indicating that the two methyl groups in p -xylene occupy the diametrically opposite substituent positions 1 and 4.
Likewise, the para-xylene consumption showed unprecedented growth in 2010, growing by 2,800,000 tons, a full ten percent growth from 2009. [1] Toluene is also a valuable petrochemical for use as a solvent and intermediate in chemical manufacturing processes and as a high octane gasoline component. [2] [3] [4] [5]
α,α'-dimethoxy-p-xylene. A similar synthesis for parylene N uses the precursor α,α'-dimethoxy-p-xylene. [28] The methoxy group H 3 CO − is the leaving group; while it condenses in the deposition chamber, it does not interfere with the deposition of the polymer. [23] This precursor is much less expensive than [2.2]para-cyclophane.