allophanaten.

Brit.

/aˈlɒfəneɪt/, U.S.

/æˈlɑfəˌneɪt/

Origin: A borrowing from French. Etymon: French allophanate.

Etymology: < French allophanate (1846 in allophanate de baryte ) < allophan- (in allophanique allophanic adj.¹) + -ate -ate suffix¹. Compare allophanic adj.¹French allophanate de baryte is after German allophansaurer Baryt (J. Liebig & F. Wöhler 1846, in Ann. der Chem. 59 293). Compare German Allophanat (1849 or earlier), which was not used by Liebig and Wöhler in their 1846 paper.

Chemistry.

A salt or ester of allophanic acid.

ΚΠ

1847 Chem. Gaz. 1 Mar. 89 Allophanate of baryta (BaO + C⁴N²H³O⁵) is formed when the æthyle or methyle compound is dissolved in barytic water.

1863 H. Watts Dict. Chem. I. 133 Allophanate of amyl forms nacreous scales, unctuous to the touch, and without taste.

1933 Proc. Royal Soc. A. 139 94 Ergosteryl esters such as the allophanate provide vitamin D on irradiation, followed by hydrolysis.

1977 J. March Adv. Org. Chem. (ed. 2) xvi. 813 Addition of a second mole of HNCO gives allophanates, which make good derivatives for many alcohols.

2010 M. J. Sadowsky in L. C. Batty & K. B. Hallberg Ecol. Industr. Pollution x. 213 The biuret produced via AtzD is subsequently deaminated by biuret hydrolase (AtzE) to generate allophanate.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	allophanate
释义	allophanaten. Brit. /aˈlɒfəneɪt/, U.S. /æˈlɑfəˌneɪt/ Origin: A borrowing from French. Etymon: French allophanate. Etymology: < French allophanate (1846 in allophanate de baryte ) < allophan- (in allophanique allophanic adj.¹) + -ate -ate suffix¹. Compare allophanic adj.¹French allophanate de baryte is after German allophansaurer Baryt (J. Liebig & F. Wöhler 1846, in Ann. der Chem. 59 293). Compare German Allophanat (1849 or earlier), which was not used by Liebig and Wöhler in their 1846 paper. Chemistry. A salt or ester of allophanic acid. ΚΠ 1847 Chem. Gaz. 1 Mar. 89 Allophanate of baryta (BaO + C⁴N²H³O⁵) is formed when the æthyle or methyle compound is dissolved in barytic water. 1863 H. Watts Dict. Chem. I. 133 Allophanate of amyl forms nacreous scales, unctuous to the touch, and without taste. 1933 Proc. Royal Soc. A. 139 94 Ergosteryl esters such as the allophanate provide vitamin D on irradiation, followed by hydrolysis. 1977 J. March Adv. Org. Chem. (ed. 2) xvi. 813 Addition of a second mole of HNCO gives allophanates, which make good derivatives for many alcohols. 2010 M. J. Sadowsky in L. C. Batty & K. B. Hallberg Ecol. Industr. Pollution x. 213 The biuret produced via AtzD is subsequently deaminated by biuret hydrolase (AtzE) to generate allophanate. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1847
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