geranialn.
/dʒəˈreɪnɪəl/ Chemistry.
A fragrant colourless oil present in many essential oils (as lemon-grass oil) and used extensively in perfumery as citral, of which it is the trans form; it is the aldehyde, C10H16O, corresponding to geraniol.
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the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > miscellaneous named aldehydes > citral > trans form
geranial1899
1899 Jrnl. Chem. Soc. 76 i. 67 Crystals are obtained which yield geranial..when they are freed from oil.
1953 E. H. Rodd Chem. Carbon Compounds II b. xii. 498 The aldehyde citral..occurs in two geometrical forms, citral-a (geranial) and citral-b (neral).
Derivatives
geranic adj. denoting an acid produced by the oxidation of geranial.
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1891 Jrnl. Chem. Soc. 60 i. 323 Geranaldehyde and Geranic Acid.
1896 Jrnl. Chem. Soc. 70 i. 445 This partial synthesis of geranic acid establishes Tiemann's formula for geranaldehyde.
geranyl n. the radical of geraniol, as in geranyl-acetate.
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1897 Jrnl. Chem. Soc. 72 i. 248 Geranyl Chloride.
1901 Jrnl. Chem. Soc. 80 i. 282 Eucalyptus Oil containing 60 per cent. of Geranyl Acetate.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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