guanidine

[ gwan-i-deen, -din, gwah-ni- ]

Phonetic (Standard)IPA

noun

, Chemistry.

a colorless, crystalline, strongly alkaline, water-soluble solid, CH 5 N 3 , used chiefly in the manufacture of plastics, resins, rubber accelerators, and explosives.

guanidine

/ ˈɡwænɪ-; -dɪn; ˈɡwɑːnɪˌdiːn; ˈɡwɑːnɪdɪn; ˈɡwænɪ- /

a strongly alkaline crystalline substance, soluble in water and found in plant and animal tissues. It is used in organic synthesis. Formula: HNC(NH 2 ) 2 Also calledcarbamidineiminourea

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First recorded in 1860–65; guan(o) + -id ³ + -ine ²

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C19: from guano + -id ³ + -ine ²

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When heated with ammonia it yields guanidine, and on boiling with alcoholic potash it yields potassium carbonate.

Hence guanidine from its structural formula is a carbodiamidimide.

The principle of the method is based upon the fact that guanidine is precipitated by mercurous oxide.

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