sinapolinen.
Chemistry.
(See quots.)
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the world > matter > chemistry > organic chemistry > organic bases > [noun] > obtained from plants
vegetable alkali1727
sinapine1838
verdate1843
sinamine1848
sinapoline1848
opianine1852
fumarin1864
guanidine1864
betaine1879
1848 G. Fownes Man. Elem. Chem. (ed. 2) 502 When mustard-oil is treated with oxide of lead..carbonic acid and another basic substance [is] produced, which, when pure, crystallizes in colourless plates... Sinapoline, the body so formed [etc.].
1857 W. A. Miller Elements Chem. III. vii. §1. 499 Sinapoline is a feeble base which crystallizes in brilliant greasy flakes from its solution in water.
1868 H. Watts Dict. Chem. V. 310 Sinapoline. Diallyl-carbamide... An organic base discovered by Simon..formed from cyanate of allyl, by addition of water and elimination of carbonic anhydride.
This entry has not yet been fully updated (first published 1911; most recently modified version published online June 2019).
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