Online Encyclopedia


Online Encyclopedia
Originally appearing in Volume V18, Page 954 of the 1911 Encyclopedia Britannica.
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C6H1008 MUCIC ACID or HOOC•(CHOH)4•COOH, is'obtained by the oxidation of milk, sugar, dulcite, galactose, quercite and most varieties of gum by nitric acid. It forms a crystalline powder which melts at 213° C. It is insoluble in alcohol, and nearly insoluble in cold water. When heated with pyridine to 14o° C., it is converted into allomucic acid. When digested with fuming hydrochloric acid for some time it is converted into as furfurane dicarboxylic acid (see FURFURANE) ; while on heating with barium sulphide it is transformed into a—thiophene carboxylic acid (see TH10PHENE). The ammonium salt yields on dry distillation carbon dioxide, ammonia, pyrrol and other substances. The acid when fused with caustic alkalies yields oxalic acid.
End of Article: C6H1008 MUCIC ACID
MUCILAGE (from Late Lat. mucilago, a mouldy juice, ...

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