aurinn.
/ˈɔːrɪn/ Chemistry.
A red colouring matter produced (by Kolbe and Schmidt in 1861) by heating phenol with oxalic acid and strong sulphuric acid.
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the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colouring red
alizarin1827
santalin1833
orcein1838
purpurin1839
indin1841
isatin1845
roseine1859
aurin1869
Turkey red oil1879
phenosafranine1883
rhodamine1888
azaleine1889
phloxine1890
pyronin1895
primuline red1900
1869 Eng. Mech. 19 Mar. 586/3 Rosolic acid, or aurine..from coaltar.
1883 Athenæum 10 Mar. 316/2 Aurin.
This entry has not yet been fully updated (first published 1885; most recently modified version published online June 2018).
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n.1869