hexahydrate

[hek-suh-hahy-dreyt]

noun

1. a hydrate that contains six molecules of water, as magnesium chloride, MgCl 2 ⋅6H 2 O.

hexahydrate

/ ˌhɛksəˈhaɪdreɪt /

noun

1. a hydrate, such as magnesium chloride, MgCl 2 .6H 2 O, with six molecules of water per molecule of substance

Other Word Forms

• hexahydrated adjective

Word History and Origins

Origin of hexahydrate¹

First recorded in 1905–10; hexa- + hydrate

Example Sentences

Above 39� C., however, the hexahydrate, with six molecules, is less soluble, and a rapid conversion of the hepta- into the hexahydrate occurs if the former is heated above the transition point.

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The solubility of the hexahydrate is greater than that of the heptahydrate below 39�, but increases more slowly with rise of temperature.

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At about 80� C. the hexahydrate gives place to the monohydrate, which dissolves in water with evolution of heat, and diminishes in solubility with rise of temperature.

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BZP is easily manufactured from piperazine hexahydrate and benzyl chloride, but the level of impurities depends on the precise quantities of starting materials, the reaction conditions and the procedures used to extract the drug from the reaction mixture.

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One of the starting materials, piperazine hexahydrate, some of which can make it into the final product, is extremely toxic to the liver.

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