Fungicide
NOMENCLATURE
Common name hymexazol (BSI, E-ISO, (m) F-ISO); hydroxyisoxazole (JMAF)
IUPAC name 5-methylisoxazol-3-ol
Chemical Abstracts name 5-methyl-3(2H)-isoxazolone (C.A. preferred tautomer)
CAS RN [10004-44-1] EEC no. 233-000-6 Development codes F-319; SF-6505 (both Sankyo)
PHYSICAL CHEMISTRY
Composition Tech. is 99% pure. Mol. wt. 99.1 M.f. C4H5NO2 Form Tech. forms colourless crystals. M.p. 86-87 ºC B.p. 202 ºC V.p. 182 mPa (25 ºC) KOW logP = 0.480 (unstated pH) Henry <span lang=EN-US
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