NOMENCLATURE
Common name boscalid (BSI, pa ISO)
IUPAC name 2-chloro-N-(4'-chlorobiphenyl-2-yl)nicotinamide
Chemical Abstracts name 2-chloro-N-(4'-chloro[1,1'-biphenyl]-2-yl)-3-pyridinecarboxamide
Other names nicobifen (former provisional ISO name) CAS RN [188425-85-6]
PHYSICAL CHEMISTRY
Mol. wt. 343.2 M.f. C18H12Cl2N2O Form White odourless crystals. M.p. 142.8-143.8 °C V.p. 7.2 ′ 10-4 mPa KOW logP = 2.96 Henry 5.178 ′ 10-5 Pa m3 mol-1 S.g./density 1.381 (20 °C) Solubility In water 4.6 mg/l (20 °C). In n-heptane <10, methanol 40-50, acetone 160-200 (all g/l, 20 °C). Stability Stable to hydrolysis as pH 4, 5, 7 and 9; stable to aqueous photolysis.
APPLICATIONS
Biochemistry Inhibits succinate ubiquinone reductase, (also known as complex II), in the mitochondrial electron transport chain. Mode of action Foliar fungicide. Uses For control of powdery mildew, Alternaria spp., Botrytis spp., Sclerotinia spp. and Monilia spp. on a range of fruit and vegetables. Formulation types WG; SE; SC.
Content≥98%
Packing: 25kgs/drum