arsinicadj.
/ɑːˈsɪnɪk/, U.S. /ɑrˈsɪnɪk/ Chemistry.
arsinic acid n. any of a group of acids including cacodylic acid (H2AsO(OH)) and organic derivatives of this, analogous to the phosphinic acids; cf. arsenic adj.The general formula of arsinic acids is R2AsO(OH), where R denotes an alkyl, aryl, or other organic group.
ΚΠ
1877 Jrnl. Chem. Soc. 31 311 Diphenyl-arsinic acid (phenylcacodylic acid), (C6H5)2AsO(OH), separates on cooling the filtrate.
1906 Jrnl. Amer. Chem. Soc. 28 347 Arsinic acids may be considered dialkyl or dialphyl substitution-products of arsenic acid and have the general formula RR′AsOOH, wherein R and R′ are any two univalent carbon radicles.
1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) xiii. 691 Haloarsines R2AsX and dihaloarsines RAsX2 are best prepared by reducing the corresponding arsinic acids R2AsO(OH) or arsonic acid RAsO(OH)2.
1993 R. L. Zimdahl Fund. Weed Sci. xii. 227 Cacodylic acid, an arsinic acid, is less selective than its arsonic cousins.
2008 New Phytol. 180 10/1 Grain with a higher proportion of organic arsenic (dimethyl arsinic acid).
This entry has been updated (OED Third Edition, September 2018; most recently modified version published online December 2021).
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adj.1877