pyrocolln.
/ˈpʌɪrə(ʊ)kɒl/, U.S. /ˈpaɪroʊˌkɔl/, /ˈpaɪroʊˌkɑl/ Chemistry.
A yellow, crystalline, heterocyclic compound formed when gelatin is distilled.Pyrocoll has a planar molecule containing three fused rings. Formula: C10H6N2O2.
ΚΠ
1881 Jrnl. Chem. Soc. 40 295 The authors propose to call it pyrocoll, because of its mode of formation from gelatin.
1916 Jrnl. Amer. Chem. Soc. 38 1065 The nitration of pyrocoll..led to the formation of a dinitropyrocoll of unknown constitution.
1977 Chem. Rev. 77 303/2 Pyrocoll has long been known to occur in [tobacco] leaf and smoke.
2003 Jrnl. Antibiotics 56 639 Pyrocoll is known as a synthetic compound, but until now had not been isolated as a natural product from a microorganism.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1881