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- W4241090969 abstract "[106-51-4] Ni (MW 58.69) InChI = 1S/Ni InChIKey = PXHVJJICTQNCMI-UHFFFAOYSA-N (useful as a reducing agent for hydrogenation of organic compounds1) Solubility: insol all organic solvents and water. Form Supplied in: black solid. Preparative Methods: there are many types of Raney nickel; they differ based on their methods of preparation. These methods essentially determine the hydrogen content as well as the reactivities of various types of Raney nickel. The most popular W-type Raney nickels can be prepared as the seven different types listed in Table 1. Table 1. Types of Raney Nickel Type NaOH/Al (molar) NaOH soln. conc. (wt%) Temp. (°C) (time, h) Water wash method W-1 1.35 17 115–120 (4) Decant to neutral W-2 1.71 20 75–80 (8–12) Decant to neutral W-3 1.73 20 50 (0.83) Continuous to neutral W-4 1.73 20 50 (0.83) Continuous to neutral W-5 1.80 21 50 (0.83) Continuous to neutral W-6 1.80 21 50 (0.83) Cont. to neut. under H2 W-7 1.80 21 50 (0.83) Directly washed with EtOH1c Handling, Storage, and Precautions: Raney nickel is generally stored in an alcoholic solvent, or occasionally in water, ether, methylcyclohexane, or dioxane. The activity of Raney nickel decreases due to loss of hydrogen over a period of about 6 months. Raney nickel ignites on contact with air and should never be allowed to dry." @default.
- W4241090969 created "2022-05-12" @default.
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- W4241090969 date "2006-04-15" @default.
- W4241090969 modified "2023-10-18" @default.
- W4241090969 title "Raney Nickel" @default.
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- W4241090969 doi "https://doi.org/10.1002/047084289x.rr001.pub2" @default.
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