isoprothiolane
97%, 95%, 85%tech, 40%ec,
Fungicide, plant growth regulator
FRAC 6; phosphorothiolate
NOMENCLATURE
Common name isoprothiolane (BSI, JMAF, draft E-ISO, (m) draft F-ISO)
IUPAC name di-isopropyl 1,3-dithiolan-2-ylidenemalonate
Chemical Abstracts name bis(1-methylethyl)-1,3-dithiolan-2-ylidenepropanedioate
Other names IPT CAS RN [50512-35-1] Development codes SS 11 946; NNF-109 (both Nihon Nohyaku)
PHYSICAL CHEMISTRY
Composition Tech. is ³96%. Mol. wt. 290.4 M.f. C12H18O4S2 Form Colourless, odourless crystals; (tech., yellow solid, with irritating smell). M.p. 54-54.5 ºC; (tech., 50-51 ¡ãC) B.p. 167-169 ºC/0.5 mmHg V.p. 18.8 mPa (25 ºC) KOW logP = 3.3 (25 ¡ãC) Henry 0.1 Pa m3 mol-1 (calc.) S.g./density 1.044 Solubility In water 54 mg/l (25 ºC). In methanol 1510, ethanol 760, acetone 4060, chloroform 4130, benzene 2770, n-hexane 10 (all in g/l, 25 ¡ãC). Stability Stable to acid, alkali, light and heat.
APPLICATIONS
Biochemistry Inhibits penetration and elongation of infection hyphae, by inhibiting formation of infection peg or cellulase secretion. Mode of action Systemic fungicide with protective and curative action, absorbed by the leaves and roots, with translocation acropetally and basipetally. The mobility in rice plants of various analogues reported (M. Uchida, Pestic. Biochem. Physiol., 1980, 14, 249). Uses Controls the following pathogens and insect pests, at 400-600 g/ha (foliar spray), 3.0-6.0 g/nursery box (spreading treatment), 3.6-6.0 kg/ha (submerged treatment), 360-600 g/tree (soil incorporation): Pyricularia oryzae, Helminthosporium sigmoideum, Leptosphaeria salvinii, Fusarium nivale on rice; Rosellinia necatrix on pome fruit, stone fruit and grapes; Delphacidae (planthoppers) on rice. Also used on rice to accelerate rooting, promote root elongation and control non-parasitic damping-off. Phytotoxicity Phytotoxic only to cucurbitaceae. Formulation types DP; EC; GR; WP; Driftless dust.
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product name: |
isoprothiolane 85% tech |
isoprothiolane 97% tech |
|
a.i. content: |
85.02% |
97.02% |
|
water: |
0.09% |
0.10% |
|
acidity: |
0.06% |
0.06% |
|
acetone insoluble£º |
¡¡ |
0.07% |
