Organic Compounds of Mercury Volume 4

Overview

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...chloride, N02--C6H4--CH2--HgCl. If the mother liquors from the disubstituted compound are treated with an excess of dilute hydrochloric acid a small amount of the monosubstituted compound is precipitated. This can be purified by treating with sodium hydroxide, filtering, and acidifying with hydrochloric acid...
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Overview

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ...chloride, N02--C6H4--CH2--HgCl. If the mother liquors from the disubstituted compound are treated with an excess of dilute hydrochloric acid a small amount of the monosubstituted compound is precipitated. This can be purified by treating with sodium hydroxide, filtering, and acidifying with hydrochloric acid and then repeating the process, using ammonium hydroxide instead of sodium hydroxide. This process gives colorless crystals. (CHNClHg). M.P. 145-6. It is easily soluble in acetone and benzene, less soluble in alcohol, rather difficultly in ether, and very little in water. It is soluble in bases. p-Nitrotolutne treated with sodium hydroxide and mercuric oxide gives no alkali soluble product. The insoluble product obtained contains more than two atoms of mercury. An excess of dilute nitric acid gives p-nitrobenzoic acid indicating that the mercuration takes place in the side chain. 2, 4-Dinitrotoluene reacts very readily with mercuric oxide and sodium hydroxide or sodium ethylate. The products are hard to purify. They react more readily with sulfides than do the mercury compounds of o-nitrotoluene. Treatment with nitric acid of Sp. g. 1.4 gives 2, 4-dinitrobenzoic acid. Mercury di-(2, 4-dinitrobenzyl)."' The mercuric salt of 2, 4-dinitrophenyl acetic acid is heated to eliminate two molecules of carbon dioxide. If the product is heated still hotter it loses metallic mercury and forms tetranitrodibenzyl. This loss of mercury takes place more rapidly in the presence of pyridine. Mercury Derivatives of Sulfinic and Sulfonic Acids. Benzene sulfinic acid and p-toluene sulfinic acid react with mercuric chloride at 0 to form mercuric salts of the acids. If heated with alcoholic mercuric chloride the sulfinic acids give sulfur dioxide, hydrochloric acid, and ...
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Product Details

  • ISBN-13: 9781230289335
  • Publisher: General Books LLC
  • Publication date: 9/12/2013
  • Pages: 132
  • Product dimensions: 7.44 (w) x 9.69 (h) x 0.28 (d)

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